TVRM75
POWER ON
TVRM-75
DVB MODULATOR
ALARMS
TRANSMIT
FAULTS
SYNC
TRANSMIT
TRANSMITTER ON
STORED
TEST MODE
ENTER
CLEAR
DVB Satellite Modulator
Copyright 1996-1999 Tiernan Communications, Inc.
TVRM75 Operator Manual, Revision E, 06/21/99
TPN: 505-003080-001
ii
Notice
This manual and its contents are proprietary to Tiernan
Communications, Inc. (Tiernan) and are intended solely for the
contractual use of its customers for no other purpose than to
install and operate the equipment described herein. This
manual and its contents shall not be used or distributed for any
other purpose and/or otherwise communicated, disclosed, or
reproduced, in any way whatsoever, without prior written
consent of Tiernan.
Only experienced personnel should install and/or operate this
equipment. Prior to installing or operating any of the equipment
or parts thereof, personnel must carefully read and understand
all of the contents of this manual. To properly install and operate
this equipment and/or all parts thereof, personnel must strictly
and explicitly follow all of the instructions in this manual.
FAILURE TO COMPLETELY READ AND FULLY
UNDERSTAND AND FOLLOW ALL OF THE CONTENTS OF
THIS MANUAL PRIOR TO INSTALLING AND/OR OPERATING
THIS EQUIPMENT, OR PARTS THEREOF, MAY RESULT IN
INJURY TO PERSONNEL AND/OR DAMAGE TO THE
EQUIPMENT, OR PARTS THEREOF.
Tiernan does not assume any liability arising out of the
application or use of any products, component parts, circuits,
software, or firmware described herein. Tiernan further does not
convey any license under its patent, trademark, copyright, or
common–law rights nor the similar rights of others. Tiernan
further reserves the right to make any changes in any products,
or parts thereof, described herein without notice.
Copyright ©1996-1999 Tiernan Communications, Inc.
iii
Restricted Rights
The contents are provided with RESTRICTED RIGHTS. Use,
duplication, or disclosure by the government is subject to
restrictions as set forth in subparagraph (c) (1) (ii) of the Rights
in Technical Data and Computer Software [OCT. 1988] clause at
DFARS 252.227–7013 and subparagraphs (a) through (d) of
the Commercial Computer Software–Restricted Rights [JUNE
1987] clause at FAR 52.227–19, as applicable. Manufacturer is
Tiernan Communications, Inc., 5751 Copley Drive, San Diego,
CA 92111 U.S.A.
No Warranty
The contents of this manual are provided “as is” without
warranty of any kind, either expressed or implied, including, but
not limited to, the implied warranties of merchantability, fitness
for a particular purpose, and non–infringement.
The contents of this publication could include technical
inaccuracies or typographical errors. Changes are periodically
added to the information herein. These changes will be
incorporated in new editions of this manual. Tiernan may make
improvements and/or changes in the product(s) and/or the
program(s) described in this manual at any time without notice.
iv
Limitation of Liability
In no event will Tiernan be liable for direct, indirect, special,
incidental, economic, cover, or consequential damages arising
out of the use or inability to use the contents even if advised of
the possibility of such damages. Some jurisdictions do not allow
the exclusion or limitation of implied warranties, or the limitation
of liability for incidental or consequential damages, so the above
limitation or exclusion may not apply to you.
For further information on legal and intellectual property
matters, contact Tiernan Communications Corporate Counsel.
WARNING: Electric Shock Hazard!
Do Not Open The Equipment!
Service Only By Tiernan Communications, Inc.
DANGER!
Electric Shock
Hazard
Gefährliche Spannung!
Öffuen des Gerätes und Service nur dur
Tiernan Communications, Inc.
The TVRM75 Satellite Modulator contains no user–serviceable parts. Do not attempt to
service this product yourself. Any attempt to do so will invalidate any and all warranties.
v
Contents
Introduction...........................................................................vii
About this Manual....................................................................................vii
Warning Notices .......................................................................................vii
Revision Record ...................................................................................... viii
TVRM75 Shipping Cartons and Packing Materials .............................. ix
Packing Slip ................................................................................................ ix
Shipping Errors .......................................................................................... ix
Cartons and Packing Materials................................................................ ix
Equipment Repacking Instructions......................................................... ix
Chapter 1
OVERVIEW ............................................................................13
Introduction ............................................................................................... 13
Modulator Assemblies ............................................................................. 15
Modulator Specifications ......................................................................... 15
Fault Tree ................................................................................................... 19
Chapter 2
INSTALLATION .....................................................................21
Unpacking.................................................................................................. 21
Installation ................................................................................................. 22
Remove and Install Data Interfaces ....................................................... 24
External Connections ............................................................................... 25
Remote Connector & Pinout (J1) ............................................................ 26
Fault Connector (J2).................................................................................. 27
Transmit IF Output (CP1)........................................................................ 28
AC Power................................................................................................... 28
Ground (GND) .......................................................................................... 28
Proper Operations for Emissions (CE)................................................... 28
Chapter 3
OPERATION ..........................................................................29
Introduction ............................................................................................... 29
Front Panel................................................................................................. 30
Front Panel Keypad .................................................................................. 32
Menu System ............................................................................................. 33
Main Menu................................................................................................. 34
Configuration Menus ............................................................................... 35
Faults/Alarms Menus.............................................................................. 44
Utility Menus............................................................................................. 51
Defaults after Firmware Upgrade or Hard Reset................................. 63
Contents
vi
Appendix A
DATA INTERFACES..............................................................67
Description................................................................................................. 67
Software Requirement.............................................................................. 68
RS-422 Parallel/Serial Interface .............................................................. 68
Description................................................................................................. 69
Configuration ............................................................................................ 70
User Interfaces ........................................................................................... 72
Serial, J4, DB25 Female (EIA-530 Serial Data Interface) ...................... 75
RS-422 Front Panel Menus....................................................................... 78
RS-422 Remote Commands ..................................................................... 80
ASI & RS-422 Data Interface.................................................................... 82
Description................................................................................................. 83
User Interfaces ........................................................................................... 86
ASI & RS-422 Front Panel Menus ........................................................... 88
ASI & RS-422 Remote Commands.......................................................... 90
Appendix B
REMOTE CONTROL OPERATION .......................................95
General........................................................................................................ 95
Message Structure..................................................................................... 95
Start Character........................................................................................... 96
Device Address ......................................................................................... 96
Command/Response ............................................................................... 96
End Character ............................................................................................ 97
Configuration Commands/Responses .................................................. 97
Stored Faults ............................................................................................ 109
Appendix C
Restoring TVRM75 Factory Defaults ................................111
Purpose..................................................................................................... 111
Factory Default for ASI Data Input ...................................................... 112
Factory Default for Serial RS422 Data Input ....................................... 115
Glossary ..............................................................................119
Index ....................................................................................129
About this Manual
Introduction
This section describes the TVRM75 manual conventions.
About this Manual
This manual describes the installation, operation, and performance
specifications of the Tiernan Communications, Inc. (Tiernan) TVRM75
and is designed to lead you through unpacking the TVRM75 and
completing the setup, cabling, configuration, and operational tasks.
A list of customer service contacts and procedures for returning the
TVRM75 should it need repair are also included.
Warning
Notices
Throughout this manual you will find three types of warning notices
that are designed to assist you in identifying important information.
An example of each is provided below.
HAZARD:
The Hazard symbol identifies the possibility of electric shock
when you perform an operation with the TVRM75 or if you do
not use the TVRM75 according to instructions.
DANGER!
Electric Shock
Hazard
CAUTION:
The Caution symbol identifies an area that requires special
attention to detail or poses the possibility of injury, excluding
injury resulting from electric shock.
CAUTION!
Please Read
Carefully
vii
Introduction
viii
NOTE:
The Note symbol identifies points of interest or information relevant to a procedure or process.
NOTE...
Revision
Record
Revision Record
TPN: 505–003080–0001
Revision A, 12/20/96
Initial release of the manual.
Revision B, 03/04/98
Technical and editorial revisions. Compatible with firmware v.4.1.1+
Revision C, 12/11/98
Updated manual to reflect 8PSK options, features, and functionality.
Compatible with firmware v.5.3.1+
Revision D, 01/11/99
Updated Chapter 3 — added the Tx Coding Format command to the
Configuration Interface Menu and updated the RS-422 Utility Interface
Menu; updated Appendix A — corrected the ASI and RS-422
Specifications table and the ASI Loopback J6/J7 BNC Output
Connectors description. Compatible with firmware v.5.3.1+
Revision E, 6/21/99
Updated telephone and fax numbers to reflect new area code. Made
minor format revisions. Compatible with firmware v.5.3.1+
TVRM75 Shipping Cartons and Packing Materials
TVRM75 Shipping Cartons and Packing Materials
Packing Slip
Please verify that your company name and address are correct on the
packing slip that is included with your equipment and notify Tiernan
Communications Product Support if any of the information is not correct.
Also, please note the purchase order number, reference line, model,
and Tiernan sales order numbers and include them in any
correspondence with Tiernan concerning your order.
Shipping
Errors
If any part of your shipment is missing, call Tiernan Communications
Product Support at 858.587. 0252 or send a fax to 858.587. 0257. For
immediate assistance, call our 24– hour customer service paging
system at 858.587.0252, extension 500.
Cartons and
Packing
Materials
Note that the factory shipping carton and packing materials are
specially designed to protect the enclosed equipment from the
excessive shocks and vibrations that can occur during shipping. Please
retain the shipping carton and all of the packing materials and use
them to ship the unit to a final destination or to return the unit to
Tiernan for repair. Repacking instructions are listed in the following
section.
Equipment
Repacking
Instructions
To repack the TVRM75 for shipment to another location or to return
the unit to Tiernan for repair, please use the original shipping carton
and packing materials. Before you begin to repack the equipment,
perform the following inspections:
1.
2.
3.
Inspect the shipping carton to ensure that it does not have any
holes punched through it and that all four sides are sturdy and are
firmly attached to the adjacent walls, top, and bottom of the carton.
Ensure that both specially designed suspension frames are available for use in repacking the equipment. The suspension frames
look like a cardboard frame with a sheet of clear plastic stretched
over the opening.
Inspect the two suspension frames to ensure that the cardboard
frames are in one sturdy piece, and the plastic is not torn or ripped
apart from the frames.
ix
Introduction
x
4.
If you believe the carton or packing materials will not properly
protect the equipment during shipping, contact Tiernan Communications Product Support.
CAUTION: Carefully Follow the Repacking Instructions
If the suspension frames are not packed into the shipping carton
as instructed below, the equipment may be severely damaged
during shipping and handling.
CAUTION!
Please Read
Carefully
If you believe the carton and packing materials will properly protect
the equipment during shipment, repack the equipment following the
instructions listed below.
1.
2.
Place the first suspension frame into the shipping carton with the
plastic film side facing up and away from the bottom of the shipping carton. The plastic attached to the suspension frame must not
be touching the bottom of the shipping carton. When the equipment is placed into the shipping carton, the equipment should be
suspended on the top of the plastic. If the first suspension frame is
placed in the shipping carton with the plastic film against the bottom of the shipping carton, the equipment will rest on the bottom
of the shipping carton and will not be protected from shocks and
vibrations.
Place the equipment into the shipping carton and onto the center
of the plastic suspension frame.
TVRM75 Shipping Cartons and Packing Materials
3.
4.
Place the second suspension frame into the shipping carton with
the plastic film side facing down towards the top of the equipment. The plastic attached to the suspension frame must be placed
against the top of the equipment, so that the equipment is fully
suspended between the first suspension frame and the second
suspension frame. When you place the second suspension frame
on top of the equipment, the second suspension frame will extend
higher than the top edge of the shipping carton; however, when
you close the carton, the second suspension frame will easily fit
into the carton. The pressure applied to the second suspension
frame will help hold the equipment in place between the two suspension frames.
Close the carton, and reseal the carton with adhesive tape. Once
the carton is sealed, the packing materials create tension around
the equipment that holds the equipment securely between the two
plastic sheets and safely away from shocks and vibrations.
xi
Introduction
xii
Introduction
Chapter 1
13
OVERVIEW
This chapter provides a product overview, a list of the internal
assemblies, and the specifications for the TVRM75 satellite modulator
Introduction
The TVRM75 is a programmable, variable-rate satellite modulator
used for digital video and high-speed data applications. The
modulator supports open network modes compliant with the
ETSI EN 300 421/prEN 301 210 specification for Digital Video
Broadcasting (DVB) by satellite.
POWER ON
ALARMS
TVRM-75
DVB MODULATOR
TRANSMIT
FAULTS
ENTER
SYNC
TRANSMIT
TRANSMITTER ON
STORED
TEST MODE
CLEAR
A block diagram for the modulator is shown below.
P L U G -IN
SYNC H
AND
R A N D O M IZ E
RS CODER
AND
IN TE R LE AV E R
V IT E R B I C O D E R
AND
M A P P IN G
D ATA FILTE R
AND
M O D U L ATO R
TX
IF
D ATA
USER
IN TE R FA C E
IN TE R FA C E
M &C
R E M O TE P O R T
A N D FA U LTS
S Y N T H E S IZE R
TO /F R O M
S Y N C H A N D R A N D O M IZ E
R S C O D E R A N D IN T E R L E AV E R
V IT E R B I C O D E R A N D M A P P IN G
D ATA FILTE R A N D M O D U L ATO R
S Y N T H E S IZE R
The modulator utilizes a plug-in data interface module installed in the
rear of the chassis. The data interface module provides flexible
adaptation to the various physical and electrical interfaces found in
the communications industry. Refer to Appendix A for a detailed
description of the data interface module.
The data rate of the modulator is programmable from 1.5 to
100 Mbit/s. The maximum symbol rate is 37.5 Msym/s. The
minimum symbol rate is limited by the minimum 1.5 Mbit/s data rate.
OVERVIEW
14
Chapter 1
Modulation formats include QPSK, 8PSK, and a future option for
16QAM. Operation is based upon the DVB/DBS standard for QPSK
and 8PSK.
Table 1-1 lists the minimum and maximum data and symbol rates for
each code rate at the Tiernan default framing type 188. See the
specifications section for the maximum data rate limits for framing
types 187 and 204.
Table 1-1 Minimum/Maximum Data and Symbol Rates
Code Rate
QPSK 1/2
QPSK 2/3
QPSK 3/4
QPSK 5/6
QPSK 7/8
8PSK 2/3
8PSK 5/6
8PSK 8/9
16QAM
Minimum Data
Rate (bit/s)
1,500,000
1,500,000
1,500,000
1,500,000
1,500,000
1,500,000
1,500,000
1,500,000
Future Option
Maximum Data
Rate (bit/s)
34,558,824
46,078,431
51,838,235
57,598,039
60,477,941
69,117,647
86,397,059
92,156,863
Minimum Symbol
Rate (sym/s)
1,627,660
1,220,745
1,085,106
976,596
930,091
813,830
651,064
610,372
Maximum Symbol
Rate (sym/s)
37,500,000
37,500,000
37,500,000
37,500,000
37,500,000
37,500,000
37,500,000
37,500,000
The modulator incorporates concatenated error correction coding for
improved signal quality. With concatenated coding, an outer ReedSolomon codec is used in tandem with an inner Viterbi or trellis type
codec. The Reed-Solomon coding is DVB (based on 188, 204, 8 type
code), while the Viterbi and trellis codes are based upon a constraint
length K = 7 convolutional coding. This combination significantly
reduces the required operating power of the satellite system.
The modulator is a complete, self-contained unit in a standard, oneunit (1U) 19” rack-mountable enclosure. It includes a backlit LCD
display and a 6-button keypad for user control.
A status and control port (available through a 9-pin D connector at the
rear of the chassis) provides either serial RS-232 or RS-485 for remote
control applications. A second rear-panel 9-pin D connector provides
fault/alarm status.
The unit is designed to meet stringent safety and RF emissions
standards, including CE Mark certification. See Chapter 2 for
information regarding proper operation for CE emissions.
Modulator Assemblies
Modulator
Assemblies
Modulator
Specifications
15
The modulator consists of the following assemblies:
■
TVRM75 QPSK Modulator with an ASI and RS-422 Serial
Interface
■
TVRM75 QPSK Modulator with an RS-422 Serial/Parallel
Interface
■
TVRM75 Modulator with 8PSK and an ASI and RS-422 Serial
Interface
Table 1-2 lists the modulator specifications.
Table 1-2 Modulator Specifications
General Specifications
Transmission Format
Data Rate
Symbol Rate Range
Maximum Data Rate
Maximum Data Rate - QPSK
QPSK per EN 300 421
8PSK per prEN 301 210, optional
1.5 to 100 Mbit/s, in 1 bit/s steps
See Table 1 for reference
Minimum symbol rate is based upon minimum data rate of 1.5 Mbit/s
Maximum symbol rate is 37.5 Msym/s
Symbol Rate (SR) Definition:
SR = (Data Rate) x 1/(m x CRv x CRrs), where:
m = modulation index
CRrs = Reed-Solomon outer code rate (188/204)
CRv = Viterbi/trellis inner code rate
Framing Type
Data Rate
187
SR x m x CRv x (187/204), < 100 Mbit/s
188
SR x m x CRv x (188/204), < 100 Mbit/s
204
SR x m x CRv x (204/204), < 100 Mbit/s
Framing
Type
1/2
2/3
3/4
5/6
7/8
187
34375000
45833333
51562500
57291667 60156250
188
34558824
46078431
51838235
57598039 60477941
204
37500000
50000000
56250000
62500000 65625000
OVERVIEW
16
Chapter 1
Table 1-2 Modulator Specifications (continued)
Maximum Data Rate - 8PSK
Data Rate Tolerance
Modulation Type & Inner Code
Rate
Outer Code Rate
(Reed-Solomon)
Interleaving
Spectral Shaping
Scrambling
Front Panel Interface
M&C Interface
Fault Interface
Input Power
Physical:
Size
Weight
Environmental
Temperature
Humidity
Modulator Specifications
Transmit IF Output
Modulation and Coding Formats
Transmit IF Impedance
Optional Transmit IF Impedance
IF Output Connector
Transmit Spurious
Transmit Carrier Isolation
AC Line Spurious
Reference Stability
Framing
Type
2/3
5/6
187
68,750,000 85,937,500
188
69,117,647 86,397,059
204
75,000,000 93,750,000
Programmed rate ±100 ppm
QPSK: 1/2, 2/3, 3/4, 5/6, 7/8
8PSK: 2/3, 5/6, 8/9 optional
RS (204, 188, t = 8)
8/9
91,666,667
92,156,863
100,000,000
Depth 12, per EN 300 421 and prEN 301 210
Square-root raised cosine, α = 0.35 per EN 300 421 and prEN 301 210
EN 300 421, prEN 301 210, or none
Keypad + LCD with backlighting
RS-232/RS-485, 9-Pin D female, serial, asynchronous
FORM-C, 9-Pin D female
90 to 264 VAC, 47 to 63 Hz Universal Type, 50W Maximum
19” W x 1.75” H x 14” D (1RU)
< 10 lbs.
0 to +50°C (Operating)
-40 to +70°C (Storage)
< 90%, non-condensing
50 to 180 MHz, 2.5 kHz steps
-20 to +5 dBm in 0.1 dB steps (± 0.5 dB accuracy)
18 dB return loss minimum
Refer to Table 1
75Ω
50Ω
BNC, female
-55 dBc minimum in 4 kHz bandwidth relative to unmodulated carrier
-60 dBm minimum when TX carrier = OFF
-36 dBc maximum
+/- 10 ppm
Modulator Specifications
Table 1-2 Modulator Specifications (continued)
Transmit Carrier Phase Noise
(Single Sideband)
Amplitude and Phase Imbalance
Carrier Null
Scrambling
Group Delay
Fault Specifications
Status Relays
Remote Control Specifications
Asynchronous Serial Interface
Baud Rate
Serial Format
Data Bits
Stop Bits
Parity
Remote Port Addressing
Signals Controlled:
Data
Modulation, Coding
Carrier
Carrier
Max
Offset (Hz)
dBc/Hz
-66
100 Hz
-76
1 kHz
-86
10 kHz
-96
100 kHz
-96
1 MHz
± 0.2 dB, maximum; ± 2°, maximum
30 dB, minimum
DVB and None
Within EN 300 421 and prEN 301 210
TX Fault, TX Alarm, Common Equipment
RS-485 (2-/4-wire), or RS-232
300, 600, 1200, 2400, 4800, 9600, or 19200 bit/s
ASCII
7 bits with odd/even parity; 8 bits with no parity
2
Odd, Even, or None
Range: 1 to 255
Data Rate
Scrambler On/Off (Test Mode)
DVB Framing Type (None, 188, 204)
Modulation Type: QPSK
Code Rate (Viterbi/trellis)
Spectral Mask, DVB
Transmit IF Frequency
Transmit Output (On/Off)
Transmit Output Power Level
Spectral Inversion: Normal/Inverted
17
OVERVIEW
18
Chapter 1
Table 1-2 Modulator Specifications (continued)
Test (Where Applicable)
General
Status
Faults
Configuration Retention
Pure Carrier
Dual Carrier (Carrier Null)
Offset Carrier (Single Sideband)
Data Loopback
LED Test
Reset
Date and Time
Software/Firmware Version and Unit Identification
Display Contrast
All Other Configuration Items
Modulator Rate
Modulator Configuration
Modulator/Coder Configuration Programming
Interface Configuration
Modem Faults
Modulator
Interface
Common Equipment
All other configuration items
Loss of Clock, or Out of Tolerance
Data Stable, all 1s (AIS), or all 0s
Loss of Synchronization
IF Synthesizers
Non-volatile
Will maintain current configuration for at least one year without prime power
Fault Tree
Fault Tree
19
Table 1-3 lists the modulator fault tree information.
Table 1-3 Modulator Fault Tree
PARAMETER
Modulator
IF Synthesizer
Data Clock SYN
I Channel
Q Channel
AGC Level
Module
IF Module
Configuration
TX Interface
Frame SYNC
Data Stable/AIS
Clock PLL
Clock Activity
FIFO
Interface Module
Data Format
CEQ
Battery/Clock
-12 Volt Supply
+12 Volt Supply
+5 Volt Supply
Controller
FLT
LED
FLT
RLY
RF
OUT
On
On
On
On
On
On
On
On
On
On
On
On
On
On
On
On
Off
Off
Off
Off
Off
Off
Off
Off
ALM
LED
On
On
On
TX
AIS
SYNC
LED
COM EQ
FLT
On
On
On
On
On
On
On
On
On
On
On
ALM
RLY
On
On
Off
On
All
All
All
All
All
All
All
Off
All
All
All
All
All
All
2
On
On
On
On
On
On
On
On
On
On
On
On
On
On
On
On
The following list identifies the interface:
1.
2.
EIA-422
ASI
INTERFACES
OVERVIEW
20
Chapter 1
Unpacking
Chapter 2
INSTALLATION
This chapter provides unpacking and installation instructions, and a
description of external connections.
CAUTION
Unpacking
The equipment contains parts and assemblies sensitive to damage
by Electrostatic Discharge (ESD). Use ESD precautionary
procedures when touching, removing, or inserting PCBs.
The modulator and manual are packaged in pre-formed, reusable,
cardboard cartons containing foam spacing for maximum shipping
protection.
Do not use any cutting tool that will extend more than 1” into the
container. This can cause damage to the modulator.
CAUTION
To remove the modulator:
1.
2.
3.
4.
5.
6.
7.
Cut the tape at the top of the carton indicated by OPEN THIS
END.
Remove the cardboard/foam space covering the modulator.
Remove the modulator, manual, and power cord from the carton.
Save the packing material for storage or reshipment purposes.
Inspect the equipment for any possible damage incurred during
shipment.
Check the equipment against the packing list to ensure the shipment is correct.
Refer to installation section for instructions.
21
INSTALLATION
22
Chapter 2
Installation
A complete modulator consists of the TVRM75 main unit and an
optional plug-in data interface. The modulator is shipped with the
data interface installed in the main unit. Changing a data interface is
easily accomplished in the field and does not require disassembly of
the main unit. For information on removing and installing data
interface modules refer to section on removing and installing data
interfaces.
Install the modulator as follows:
1.
Mount the modulator chassis in the assigned position of the
equipment rack. Support the modulator by the rack-mounted
brackets or a rack-mounted shelf.
■ If a data interface is to be installed, follow the steps described in
the section on Data Interface Installation.
■
2.
3.
4.
5.
For a custom rack installation, refer to the chassis dimensional
drawing in Figure 2-1.
Connect the cables to the proper locations on the rear panel. For
connector pinouts, placement, and function refer to the section on
external connections.
The modulator will turn on automatically when the primary power connection is made (plugged in). Before plugging in the modulator, become familiar with the front panel operation in Chapter 3.
The modulator will initiate a self-test function.
If there is any problem with the installation, contact Tiernan’s
Customer Support Department.
Installation
1 4.0
1 .75
IERNAN
1 9.0
1.25
Figure 2-1
Dimensional Drawing
Note: All dimension are listed in inches.
23
INSTALLATION
Chapter 2
The data interface is a removable, plug-in module that provides a
terrestrial connection to the modulator. An interface, shown in Figure
2-2, consists of a Printed Circuit Board (PCB) attached to a faceplate.
The faceplate contains connectors appropriate for the interface type
and two captive, mounting screws.
J4 SERIAL
J5 AU X
Remove and
Install Data
Interfaces
J 3 PARA LLEL
24
Figure 2-2
Typical Data Interface Module
Note: After a different interface type has been installed, the modulator
recognizes the change upon power up, and defaults to valid interface
parameters.
To avoid damaging the modulator, always disconnect the power
before removing or installing a data interface.
CAUTION
External Connections
Data Interface Removal
1.
2.
3.
4.
Disconnect power from the modulator.
Use a Phillips screwdriver to loosen the two captive screws on
the faceplate of the data interface.
Grasp the data interface by the faceplate handle.
Carefully pull the data interface out of the slot.
Data Interface Installation
1.
2.
3.
4.
5.
6.
7.
External
Connections
Disconnect power from the modulator.
Grasp the data interface by the faceplate handle.
Locate the opening at the rear of the modulator.
Carefully align the data interface with the card guides inside the
modulator and insert the data interface into the opening.
Push the data interface firmly into the slot, ensuring a good connection.
Align the captive screws located on the faceplate with the holes on
the modulator rear panel.
Use a Phillips screwdriver to tighten the screws.
The connectors for the main unit are shown in Figure 2-3 and
identified in Table 2-1. The connectors for each plug-in data interface
are described in Appendix A.
P R IM E
PO W ER
GR OUND
J1 R E M O T E
J2 FA U LT
Figure 2-3
D ATA IN T E R FA C E C O N N E C TION S
Rear Panel
C P 1 TX -IF
25
INSTALLATION
26
Chapter 2
Table 2-1 Rear Panel Connectors
Name
Ref. Desig.
Type
Function
Remote
J1
9-pin D Female
Configuration and Status
Fault
J2
9-pin D Female
Relay Faults
IF Output
CP1
BNC-F
Transmit IF
Prime Power
None
Standard
AC Power Input
GND
None
#10-32 Stud
Chassis Ground
Data Interface Connectors
See Appendix A
The use of each connector is described in the following paragraphs.
Remote
Connector &
Pinout (J1)
The remote control connection is a 9-pin female D connector located
on the rear panel of the modulator. Screw locks are provided for
mechanical security of the mating connector.
The remote connector provides a means for issuing commands and
determining the unit status. This connector provides RS-232, RS-485
(2-wire), and RS-485 (4-wire) operation. The communications protocol
and the control and status commands are described in Appendix B.
Table 2-2 provides the pinout of the J1 connector.
Table 2-2 Remote Connector Pinout (J1)
Signal Function
Name
Pin #
Type
RS-232
RS-485 (2-Wire)
RS-485 (4-Wire)
GND
GND
GND
REM1
1
GND
RXD
N/A
N/A
REM2
2
I
TXD
N/A
N/A
REM3
3
O
External Connections
Table 2-2 Remote Connector Pinout (J1) (continued)
N/A
+RX/+TX
+TX(O)
REM4
4
I/O
GND
-RX/-TX
-TX(O)
REM5
5
I/O
DSR
N/A
N/A
REM6
6
I
RTS
N/A
N/A
REM7
7
O
CTS(I)
+RX/+TX
+RX(I)
REM8
8
I/O
N/A
-RX/-TX
-RX(I)
REM9
9
I/O
Fault
Connector
(J2)
The fault interface connection is a 9-pin female D connector located on
the rear panel of the modulator. Screw locks are provided for
mechanical security on the mating connector.
The fault connector provides FORM-C contact closures for fault
reporting. The two FORM-C summary fault contacts are Modulator
and Common Equipment. To obtain a system summary fault, connect
all of the FORM-C contacts in parallel.
Table 2-3 provides the pinout of the J2 connector.
Units with firmware 4.1.4 or later operate as shown in Table 2-3. The
last three columns of the table show which pins of the connector have
continuity when the status of the TVRM-75 is either OK, Faulted, or
Power OFF.
Table 2-3 Fault Status Relay Connector Pinout (J2)
Signal Function
Name
Pin #
Fault/Alarm
OK
Power OFF
Common Equipment Fault
CE_NO
CE_COM
CE_NC
1
2
3
2-3
1-2
2-3
MOD_NO
MOD_C
MOD_NC
4
5
6
5-6
4-5
5-6
Modulator Fault
27
INSTALLATION
28
Chapter 2
Table 2-3 Fault Status Relay Connector Pinout (J2) (continued)
Signal Function
Name
Pin #
Fault/Alarm
OK
Power OFF
Modulator Alarm
ALM_NO
ALM_COM
ALM_NC
7
8
9
7-8
8-9
8-9
Transmit IF
Output (CP1)
CP1 is a BNC connector for the transmit IF signal output. The output
impedance is 75Ω (50Ω optional). The output is a modulated carrier
between 50 and 180 MHz.
AC Power
The AC power is supplied to the modulator by a standard, detachable,
non-locking, 3-prong power cord. This cord connects to a fused, ESCtype power receptacle.
The fuse is a 2A, Slow-blow, metric fuse.
Normal input voltage is 90 to 264 VAC, 47 to 63 Hz. The modulator
will automatically switch between ranges.
Typical power consumption is less than 40W. Refer to Chapter 1 for
specifications.
Ground
(GND)
A #10-32 stud is available on the rear panel for the purpose of
connecting a common chassis ground among all of the equipment.
Note: A safety ground is provided through the AC power connector.
Proper
Operations
for Emissions
(CE)
Note: The European EMC Directive (EN55022, EN50082-1) requires
using properly shielded cables for DATA I/O. These cables must be
double shielded from end-to-end, ensuring a continuous ground
shield.
Introduction
Chapter 3
OPERATION
This chapter describes modulator operation from the front panel, and
provides an explanation of command functions. For remote control
operation information, refer to Appendix B.
Introduction
The TVRM75 has three general modes of operation controlled by the
DVB Framing Type command in the Configuration Interface menu,
described in the section on the Configuration Interface Menu. Refer to
Table 3-1 for a description of the three modes.
Table 3-1 Mode Description
Mode
Description
188
The modulator locks to an incoming DVB/MPEG2 frame structure consisting
of 1 sync byte (047 hex) and 187 bytes of data. The frame structure is
acquired and 16 bytes of Reed-Solomon check bytes are added to create a
satellite frame of 204 bytes.
204
The modulator expects an incoming 204-byte frame structure consisting of 1
sync byte (047 hex) plus 187 bytes of data and 16 bytes reserved for check
bytes. The modulator acquires the frame structure and fills the ReedSolomon bytes into the 16 reserved bytes, in a 204-byte satellite frame.
None (187)
In this mode there is no incoming frame structure. The modulator creates a
frame consisting of one sync byte (047 hex), followed by 187 bytes of data
plus 16 Reed-Solomon check bytes. The resulting satellite frame is 204
bytes.
The different data interfaces with various data formats are all
condensed into one of these three formats for operation. Control
functions and status readings are accessible through the front panel
keypad/LCD display or the rear panel remote port.
29
OPERATION
30
Chapter 3
Front Panel
The modulator front panel enables the user to control modulator
configuration parameters and display the modulator status.
POWER ON
TVRM-75
DVB MODULATOR
ALARMS
TRANSMIT
FAULTS
SYNC
TRANSMIT
TRANSMITTER ON
STORED
TEST MODE
Figure 3-1
ENTER
CLEAR
Front Panel
The front panel features include:
■
32-character, 2-line LCD display
■
6-button keypad for local control
■
7 LEDs to provide overall status at a glance
All functions are accessible at the front panel by entering one of four
pre-defined Function Select categories:
■
Configuration
■
Faults/Alarms
■
Stored Faults/Alarms
■
Utility
The seven LEDs on the front panel indicate:
■
Alarms
■
Summary fault information
■
General modulator status
Refer to Table 3-2 for indicator descriptions.
Front Panel
Table 3-2 LED Indicator Description
Name
LED
Description
Yellow
A transmit function is in an alarm condition.
Transmit
Red
A fault condition exists in the transmit chain.
Stored
Yellow
A fault has been logged and stored.
The fault may or may not be active.
Power On
Green
Power is applied to the modulator.
Sync
Green
The modulator is synchronized to the data in the
selected framing mode. The LED is continuously lit
when the DVB Framing Type is NONE.
Transmitter On
Green
Transmitter is currently ON. This indicator reflects the
actual condition of the transmitter, as opposed to the
programmed condition.
Test Mode
Yellow
Flashes when the modulator is in a test configuration.
Alarms
Transmit
Faults
Status
At system level, a fault simultaneously activates the modulator fault
relay, MF, a TTL-OC fault indication, and turns on the red Transmit
Fault LED. This condition is used by redundancy switches to cause a
switch-over to replace a failed unit.
An alarm condition turns on the yellow Transmit Alarm LED and
activates the Modulator alarm relay. Alarms DO NOT activate the
fault indications described above.
31
OPERATION
32
Chapter 3
Front Panel
Keypad
The front panel keypad permits local operation of the modulator. The
keypad consists of six keys. Each key provides one or more logical
functions.
E N TE R
C LE AR
Figure 3-2
Keypad
■
ENTER key — used to select a displayed function or to execute
a modem configuration change.
■
CLEAR key — used to back out of a selection or to cancel a
configuration change which has not been executed using
[ENTER]. Pressing [CLEAR] generally returns the display to the
previous selection.
■
Left and Right Diamond Keys — used to move to the next
selection or to move the cursor for certain functions.
Note: Throughout this chapter, [←] and [→] are used to indicate left
and right diamond keys.
■
Top and Bottom Diamond Keys — used primarily to change
configuration data (numbers). At times, they are also used to
move from one section to another.
Note: Throughout this chapter, [↑] and [↓] are used to indicate top and
bottom diamond keys.
The modulator responds by beeping whenever a key is pressed:
■
A single beep indicates a valid entry and the appropriate action
was taken.
■
A double beep indicates an invalid entry or a parameter is not
available for operation.
Menu System
Menu System
To access and execute all functions, refer to Figures 3-3 through 3-13.
Use the main menu in Figure 3-3 as a quick reference for accessing the
modulator functions.
When prime power is applied to the modulator, the base level of the
menu system displays the sign-on message:
■
Line 1 of the sign-on message is the modulator model number
and type
■
Line 2 is the version number of the firmware
The main level of the menu system is Function Select. To access this
base menu level, press either [←] or [→]. From the Function Select
menu, use [←] or [→] to select one of the functional categories:
■
Configuration
■
Faults/Alarms
■
Stored Faults/Alarms
■
Utility
When the desired function is displayed, select that menu by pressing
[ENTER]. After entering the appropriate functional menu, press [←]
or [→] to move to the desired function. To return to the previous menu
or to exit a function, press [CLEAR].
Notes:
1.
2.
Figures 3-3 through 3-15 list the front panel menu selections.
Menus that are specific to certain modulator configurations are
only accessible after selecting the appropriate modulator configuration. This prevents incompatible parameters from accidentally
being selected.
33
OPERATION
34
Chapter 3
Main Menu
TV R M 75 M O D
V E R: 4.1.4
FU N CTIO N S E LE C T
C O NFIG UR A T IO N
FU N CTIO N S E LE C T
S TO R E D
FLTS /A LM S
(Figure 3-8)
FU N CTIO N S E LE C T
FA U LTS /A LA R M S
(Figure 3-7)
FU N CTIO N S E LE C T
U TILITY
C O NFIG UR A T IO N
M O D U LA TO R
(Figure 3-4)
U TILITY
M O D U LA TO R
(Figure 3-9)
C O NFIG UR A T IO N
IN TE R FA CE
(Figure 3-5)
U TILITY
IN TE R FA CE
(Figure 3-10)
C O NFIG UR A T IO N
SAVE
(Figure 3-6)
U TILITY
S Y S TE M
(Figure 3-11)
C O NFIG UR A T IO N
R E C A LL
(Figure 3-6)
U TILITY
M O D O P TIO N S
(Figure 3-12)
K e y:
U TILITY
FA C TO R Y S E TU P
(Figure 3-13)
A C C ES S T O
S U BM E N U
C O N D IT IO N AL O R
O P T IO N -D EP EN D EN T
P arameter Information
Figure 3-3
Main Menu
Menu System
Configuration
Menus
Modulator configuration may be viewed or changed by entering the
Configuration level from the Function Select menu on the front panel.
After entering the Configuration menu, press [←] or [→] to select
Modulator, Interface, Save, or Recall.
Enter the selected configuration menu by pressing [ENTER].
Press [←] or [→] to view the selected configuration parameters.
To change a configuration parameter, press [ENTER] to begin the
change process. Press [↑] or [↓] to make the changes.
After the changes are made and the display represents the correct
parameters, execute the changes by pressing [ENTER]. After [ENTER]
is pressed, the necessary programming is initiated by the modulator.
To undo a parameter change prior to executing it, simply press
[CLEAR].
The modulator configuration functions are described in the following
paragraphs.
35
OPERATION
36
Chapter 3
Configuration Modulator Menu
TVRM 75 M O D
V E R : 4.1.4
F U N C T IO N S E LE C T
C O N FIG U R A T IO N
T X-D R Q P S K 1 /2
(D a ta R a te )
T X-S R Q P S K 1 /2
(S ym b o l rate)
Q P S K 1 /2 , 3 /4 , 7 /8 , 2 /3 , 5 /6
8 P S K 2 /3, 5 /6, 8 /9
Q P S K 1 /2 , 3 /4 , 7 /8 , 2 /3 , 5 /6
8 P S K 2 /3, 5 /6, 8 /9
1 b it/s step s lim ite d by c od e
ra te a n d interfa ce
1 b it/s step s lim ite d by c od e
rate a n d in te rfa ce
P R E S S E N T E R TO
T U R N O N TX-IF
P R E S S E N T E R TO
T U R N O N TX-IF
T X P O W E R LE V E L
SCRAMBLER
(re fer to n o te )
+ 5 .0 to -20 .0 d B m
ON
OFF
C O N FIG U R A T IO N
M O DULATO R
T X-IF F R E Q U E N C Y
T X-IF O U T P U T
5 0 to 18 0 M H z
(in 2.5 k H z ste p s)
O N , O F F, M O R E
P R E S S E N T E R TO
T U R N O N TX-IF
T X-IF O U T P U T = O N
ON
OFF
C A R R IE R M O D E
N O R M A L-M O D U LA T E D
D U A L -C W
O F FS E T-C W
C E N T E R -C W
Key:
AC C ESS TO
SU BM EN U
C O N D IT IO N A L O R
O P T IO N -D E P E N D E N T
P a ra m e te r In fo rm a tio n
Figure 3-4
P R E S S E N T E R TO
T U R N O N TX-IF
Configuration Modulator Menu
Note: The Scrambler function is related to Energy Dispersal and has no association with conditional
access scrambling. To avoid any confusion, Scrambler is referred to as Energy Dispersal on newer
versions of the TVRM75.
Menu System
Configuration Modulator Menu (refer to Figure 3-4)
TX-DR QPSK 1/2
TX-SR QPSK 1/2
Programs the modulator data rate (DR) from 1.5 to 100 Mbit/s, in 1 bit/s steps,
limited by code rate and data interface. On entry, the current data rate is displayed
with the flashing cursor on the first character. Press [ ←] or [→] to move the flashing
cursor. Press [↑] or [↓] to increment or decrement the digit at the flashing cursor.
Press [ENTER] to execute the change.
Notes:
1.
When [ENTER] is pressed to change the data rate, the transmitter is automatically turned off to prevent the possible swamping of other channels. Another
menu is displayed that allows the operator to turn the transmitter on again,
simply by pressing [ENTER].
2.
Programming is done by either data rate or symbol rate. Data rate refers to the
equivalent serial data rate at the data interface connector.
3.
Symbol rate refers to the modulation rate after framing, trellis (Viterbi) coding,
and Reed-Solomon coding are applied.
4.
The framing type (see Section 3.2.5.2) selection affects the symbol rate (if programming from the data rate [TX-DR] menu), or the data rate (if programming
from the symbol rate [TX-SR] menu). If data rate is programmed, the symbol
rate menu is updated to reflect the code rate and framing selections. If symbol
rate is programmed, the data rate display is similarly updated.
Programs the modulator symbol rate (SR) from 1 to 37.5, in 1 sym/s steps, limited by
code rate and data interface.
On entry, the current symbol rate is displayed with the flashing cursor on the first
character. Press [←] or [→] to move the flashing cursor. Press [↑] or [↓] to increment
or decrement the digit at the flashing cursor. Press [ENTER] to execute the change.
Notes:
1.
When [ENTER] is pressed to change the symbol rate, the transmitter is automatically turned off to prevent the possible swamping of other channels.
Another menu is displayed that allows the operator to turn the transmitter on
again, simply by pressing [ENTER].
2.
Programming is done by either data rate or symbol rate. Data rate refers to the
equivalent serial data rate at the data interface connector.
3.
Symbol rate refers to the modulation rate after framing, trellis (Viterbi) coding,
and Reed-Solomon coding are applied.
4.
The framing type (see Section 3.2.5.2) selection affects the symbol rate (if programming from the data rate [TX-DR] menu), or the data rate (if programming
from the symbol rate [TX-SR] menu). If data rate is programmed, the symbol
rate menu is updated to reflect the code rate and framing selections. If symbol
rate is programmed, the data rate display is similarly updated.
37
OPERATION
38
Chapter 3
Configuration Modulator Menu (refer to Figure 3-4)
TX-IF Frequency
Programs the modulator transmit frequency between 50 and 180 MHz, in 2.5 kHz
steps.
On entry, the current transmitter frequency is displayed with the flashing cursor on
the first character. Press [←] or [→] to move the flashing cursor. Press [↑] or [↓] to
increment or decrement the digit at the flashing cursor. Press [ENTER] to execute
the change.
Note: When [ENTER] is pressed to change the transmitter frequency, the transmitter
is automatically turned off to prevent the possible swamping of other channels.
Another menu is displayed that allows the operator to turn the transmitter on, simply
by pressing [ENTER] again.
TX-IF Output
Programs the modulator output to ON, OFF, or MORE.
On entry, the current status of the output is displayed. Press [↑] or [↓] to select ON or
OFF. Press [ENTER] to execute the change.
Note: Pressing [ENTER] when MORE is displayed displays the menu for toggling
TX-IF ON and OFF. In this mode, the carrier is turned ON [↑] or OFF [↓] without
having to press [ENTER].
TX Power Level
Programs the modulator output power level from +5 to -20 dBm, in 0.1 dBm steps.
On entry, the current transmitter power level is displayed with the flashing cursor on
the first character. Press [↑] or [↓] to increase or decrease the output power level in
0.1 dB steps. Press [ENTER] to execute the change.
Scrambler
Programs the scrambler ON or OFF.
On entry, the current status of the DVB Scrambler is displayed. Press [↑] or [↓] to
select ON or OFF. Press [ENTER] to execute the change.
Note: The Scrambler function is related to Energy Dispersal and has no association
with conditional access scrambling. To avoid any confusion, Scrambler is referred to
as Energy Dispersal on newer versions of the TVRM75.
Menu System
Configuration Modulator Menu (refer to Figure 3-4)
Carrier Mode
Programs the modulator for continuous wave mode. Four modes of operation are
available: NORMAL-MODULATED, DUAL-CW, OFFSET-CW, and CENTER-CW
modes.
To change modes, enter the Carrier Mode Menu and select the desired mode.
•
NORMAL-MODULATED: Normal modulated data. The Carrier Mode is in the
OFF position for data modulation.
•
DUAL-CW Mode: A test mode that generates a dual side-band suppressed
carrier signal. Side-bands are one-half the symbol rate from the carrier. This is
used to check the channel balance and carrier null.
•
OFFSET-CW Mode: A test mode that generates a single upper side-band
suppressed carrier signal. The upper side-band is one-quarter the symbol rate
from the carrier. This is used to check the quadrature.
•
CENTER-CW Mode: A test mode that generates a carrier at the current
modulator frequency. This can be used to measure the output frequency.
Note: Selecting any mode other than NORMAL-MODULATED turns on the TX-IF
Output. When NORMAL-MODULATED is selected, TX-IF Output is turned off. Press
[ENTER] again to turn on TX-IF Output.
39
OPERATION
40
Chapter 3
Configuration Interface Menu
T V R M 75 M O D
V E R : 4 .1.4
F U N C TIO N S E L E C T
C O N F IG U R A T IO N
C O N F IG U R A T IO N
IN T E R FA C E
TX CLO CK PHASE
TX DATA PHASE
2 04 7 P A T T E R N
TX SYNC SELECT
NORMAL
IN V E R T
NORMAL
IN V E R T
OFF
ON
E XT S Y N C
CORR ON DAT
A U TO D E T E C T
TX DATA FAULT
T X C L K A C T IV IT Y
D V B FR A M IN G T Y P E
In te rfac e Lo o p ba ck
NONE
A IS
D A TA S T A B L E
A LA R M
FAULT
1 88
2 04
NONE
ON
OFF
(A S I Interfa ce M o d e O nly)
N o te : P re ss in g E n te r in th is
m en u tu rn s o ff T X-IF
OUTPUT.
P R E S S E N TE R T O
T U R N O N T X-IF
Key:
AC C ESS TO
SU BM EN U
C O N D IT IO N A L O R
O P T IO N -D E P E N D E N T
P a ra m e te r In fo rm a tio n
Figure 3-5
Configuration Interface Menu
Menu System
Configuration Interface Menu (refer to Figure 3-5)
TX Clock Phase
Programs Transmit Clock phase to NORMAL or INVERT.
On entry, the current setting for the TX Clock Phase is displayed.
Press [↑] or [↓] to select NORMAL or INVERT. Press [ENTER] to
execute the change.
TX Data Phase
Programs Transmit Data phase to NORMAL or INVERT.
On entry, the current setting for the TX Data Phase is displayed.
Press [↑] or [↓] to select NORMAL or INVERT. Press [ENTER] to
execute the change.
2047 Pattern
Programs the transmitter to ON or OFF to insert a 2047 pattern
instead of the normal transmit data.
Upon entry, the current status is displayed. Press [↑] or [↓] to make
the selection. Press [ENTER] to execute the change.
TX Sync Select
Programs the transmitter to use one of the following methods of
synchronization:
•
EXT SYNC (sync pulse) (See Note)
•
CORR ON DAT (data sync byte) (See Note)
•
AUTO DETECT (automatic detection)
Note: Available only on interfaces with an external SYNC signal.
Upon entry, the current TX Sync Select is displayed. Press [↑] or [↓] to
make the selection. Press [ENTER] to execute the change.
TX Data Fault
Transmit data fault. Press a directional key to select one of the
following modes:
•
NONE: The transmit interface alarm DATA/AIS is not activated.
•
Alarm Indication Signal (AIS): Sets transmit interface alarm
DATA/AIS to monitor an alarm condition of all 1s from customer
data input to the modulator.
•
DATA STABLE: Sets transmit interface fault DATA/AIS to monitor
an alarm condition of all 1s or 0s. This is referred to as a datastable condition, which means that the data is not transitioning.
Upon entry, the current TX Data Fault that is being monitored is
displayed. Press [↑] or [↓] to make the selection. Press [ENTER] to
execute the change.
Note: Detection of these conditions produces an alarm indication, not
a fault.
41
OPERATION
42
Chapter 3
Configuration Interface Menu (refer to Figure 3-5)
TX CLK Activity
Sets the response of the modulator when either a loss of clock activity
or a clock out of tolerance condition is detected. The response
generates either an alarm or fault based on the selection below:
•
Alarm
•
Fault
Upon entry, the new response is indicated. Press [ENTER] to execute
the change.
The alarm condition is indicated for the Alarm selection. When Fault is
selected, an indication is produced that causes redundancy switchover.
DVB Framing Type
Programs the DVB framing type for 188, 204, or NONE.
The framing type describes the format of the data into the modulator.
The equivalent serial data rate at the data interface connector is
based upon the clock rate of the incoming data stream. Refer to
Section 3.1 for information on the different framing types.
Upon entry, the current status of the DVB framing type is displayed.
Press [↑] or [↓] to make the selection. Press [ENTER] to execute the
change.
Note: When [ENTER] is pressed to change the framing type, the
transmitter is automatically turned off to prevent the possible
swamping of other channels. Another menu is displayed that allows
the operator to turn the transmitter on again, by pressing [ENTER].
Interface Loopback
Displays the Interface Loopback selection of either ON or OFF.
Upon entry, the current status of the mode type is displayed. Press [↑]
or [↓] to make the selection. Press [ENTER] to execute the change.
In the On mode, the Test Mode LED illuminates yellow.
Note: This option available only with VER 5.3.1 and later.
TX Coding Format
Displays the TX coding format for either AMI, B8ZS, HDB3 or B3ZS.
Upon entry, the current status of the mode type is displayed. Press [↑]
or [↓] to make the selection. Press [ENTER] to execute the change.
Menu System
Configuration Save and Recall Menus
T VR M 75 M O D
V ER : 4.1.4
F U N C TIO N S ELE C T
C O N FIG U R AT IO N
C O N FIG U R AT IO N
S AV E M EN U
F U N C TIO N S ELE C T
C O N FIG U R AT IO N
C O N FIG U R AT IO N
R E C A LL M E N U
C O N FIG U R AT IO N xx
S AV E
xx = 1 to 10
T VR M 75 M O D
V ER : 4.1.4
C O N FIG U R AT IO N xx
R E C A LL
K ey:
ACCESS TO
SUBM ENU
xx = 1 to 10
Figure 3-6
C O N D IT IO N A L O R
O P T IO N -D E P E N D E N T
P a ra m e te r In fo rm a tio n
Configuration Save and Recall Menus
Configuration Save Menu
Refer to Figure 3-6.
The Configuration Save menu allows you to program configuration
parameters into memory on the M&C. There are 10 memory locations
that may be used to store frequently used configuration setups. After
changing the configuration parameters to the desired settings, enter
the Configuration Save menu, select memory location 1 through 10 by
pressing [↑] or [↓], and press [ENTER] to execute the save.
Configuration Recall Menu
Refer to Figure 3-6.
The Configuration Recall menu allows the user to recall a previously
saved configuration setup. Upon entry, select memory location 1
through 10 by pressing [↑] or [↓]. Press [ENTER] to execute the recall.
43
OPERATION
44
Chapter 3
Faults/Alarms
Menus
The Faults/Alarms level is accessible from the Function Select menu.
These are similar to monitor functions, as the current status is
displayed.
Press [←] or [→] to move between the Fault/Alarm groups:
■
Modulator faults
■
Transmit Interface faults
■
Common Equipment faults
The current Faults/Alarms status is displayed on line 2 of the display
in real time.
Fault status is displayed as a “+” (plus) or “-” (minus) for each
parameter monitored:
■
“-” indicates that no fault or alarm exists.
■
“+” indicates that a fault exists, and will cause switching in a
redundant system.
■
A reversed-contrast “+” sign appearing on the display indicates
an alarm is active.
Note: Alarms do not cause switching to occur.
To display labels for individual faults or alarms, press [ENTER]. Press
[←] or [→] to move the flashing cursor to the fault or alarm to be
identified. The label for that fault/alarm is immediately displayed on
line 1 of the display. To exit this level of operation and return to the
previous level, press [CLEAR].
The following paragraphs list the faults and alarms monitored and
displayed in each group.
Faults/Alarms Menus
Faults/Alarms Menu
T V R M 75 M O D
V E R : 4.1.4
F U N C T IO N S E LE C T
F A U LT S /A LA R M S
M O D U LA T O R
T X IN T E R F A C E
IF S Y N T H E S IZ E R
D A T A C LO C K S Y N
I CHANNEL
Q CHANNEL
A G C LE V E L
M O D U LE
IF M O D U LE
C O N F IG U R A T IO N
FRAME SYNC
D A T A S T A B LE /A IS
C LO C K P LL
C LO C K A C T IV IT Y
F IF O
IN T E R F A C E M O D U LE
DATA FORMAT
COMMON
B A T T E R Y /C LO C K
-12 V O LT S U P P LY
+12 V O LT S U P P LY
+5 V O LT S U P P LY
C O N T R O LLE R
N otes:
1. A “-” indicates that no fault or
alarm exists.
2. A “+” indicates that a fault
exists, and will cause switching
in a redundant system .
Key:
ACCESS TO
SUBMENU
3. A reversed contrast “+”
indicates an active alarm .
Figure 3-7
C O N D IT IO N A L O R
O P T IO N -D E P E N D E N T
Faults/Alarms Menu
P a ra m e te r In fo rm a tio n
45
OPERATION
46
Chapter 3
Faults Menu (refer to Figure 3-7)
Fault/Alarm
Possible Problem and Action
Modulator Faults Menu
IF Synthesizer
Modulator IF synthesizer is faulted.
This is considered a major alarm and will turn off the modulator output.
Return the modulator for repair.
Data Clock Syn
Transmit data clock synthesizer fault.
This fault is an indication that the internal clock VCO has not locked to
the incoming data clock, or the internal clock synthesizer has not locked
to the internal reference. This is considered a major alarm and will turn off
the modulator output.
Check to see that the proper data rate has been set up and selected.
Verify that the incoming data rate matches what has been selected in the
modulator. Verify the frequency of the input data clock to be within the
lock range of
100 PPM. If the inputs to the modulator are all correct and the problem
still exists, replace the modulator and return it for repair.
I Channel
Activity alarm for the I channel digital filter.
This alarm is considered a major alarm, and will turn off the modulator IF
output.
An alarm in this position indicates either a fault in the scrambler, or if the
scrambler is disabled, it indicates a loss of incoming data. If the fault is
active with the scrambler turned off, check to see that there is input data
at the DATA I/O connector. If data is present, the problem could be in the
interface section. If the fault is active with the scrambler turned on, the
problem could be in the modulator section. Return the modulator for
repair.
Q Channel
Activity alarm for the Q channel digital filter.
Follow the same procedure as for the I channel.
AGC Level
Output power automatic gain control level fault. Indicates that the level at
the modulator output is not the level that is programmed.
Replace the modulator and return it for repair.
Faults/Alarms Menus
Faults Menu (refer to Figure 3-7)
Module
Modulator module fault. Typically indicates the modulator will not
program.
This could indicate a problem in the interface between the modulator and
M&C due to modulator firmware being installed incorrectly, or a pin not
making contact. Verify the modulator firmware is correctly installed. If the
problem still exists, return the modulator for repair.
IF Module
IF module fault. Typically indicates the IF module is not responding.
Configuration
Modulator configuration fault. Indicates the modulator cannot execute a
programmed configuration parameter.
Transmit Interface Faults Menu
Frame Sync
Indicates that the modulator cannot synchronize to the data in the
selected framing mode.
Data Stable/
AIS
Data or AIS. When data fault is selected in the Interface Configuration
menu, the fault indicates a data stable condition. This indicates the data
is all 1s or 0s (i.e., data is not transitioning). When AIS is selected, the
alarm indicates the data is all 1s from customer data input to the modem.
When None is selected in the Configuration Interface menu, the TX Data/
AIS Fault/Alarm is not activated.
Note: AIS is an alarm, not a switching fault.
Clock PLL
Transmitter phase-locked loop fault. Indicates the transmitter
Phase-Locked Loop (PLL) is not locked.
Clock Activity
Activity detector alarm of the selected interface transmit clock. The
interface will fall back to the internal clock when this alarm is active.
Note: Refer to the Configuration Interface menu (Figure 3-5), TX CLK
ACTIVITY. This menu permits selection of a fault or an alarm indication
for clock activity.
FIFO
This fault indicates a data under-run/over-run condition.
Interface
Module
Interface module fault. Indicates a problem in programming the interface.
This could indicate a problem in the M&C, or in the interface between the
interface section and M&C. Return the modulator for repair.
Data Format
This fault indicates a fault with the formatted data.
47
OPERATION
48
Chapter 3
Faults Menu (refer to Figure 3-7)
Common Equipment Faults Menu
Battery/Clock
M&C battery voltage or clock fault. Indicates a low voltage in the memory
battery.
Typically will be active when a modulator has been Hard Reset, or the
firmware has been changed. When a Hard Reset has been executed or
the firmware has been changed, this fault will typically be active when the
modulator is first turned on. It should clear automatically as the battery
charges up.
-12 Volt Supply
-12V power supply fault. Indicates a high or low voltage condition. Level
is ± 5%.
Check for a short on the -12V line from the power supply or on the board.
Check TP2 on the M&C section to verify the proper -12V monitor voltage
(1.06V). If this voltage is not correct, it will verify that the -12V supply is
not at the proper level. This would indicate the power supply is faulted.
Return modulator for repair.
+12 Volt Supply
+12V power supply fault.
Use the same procedure as with -12V fault. To verify the +12V power
supply voltage, check TP4 on the M&C. A voltage of 3.81V will be
monitored when the +12V is at the proper level.
+5 Volt Supply
+5V power supply fault.
Use the same procedure as with -12V fault. To verify the +5V power
supply voltage, check TP5 on the M&C section. A voltage of 2.5V will be
monitored when the +5V is at the proper level.
Controller
Controller fault. Indicates loss of power in the M&C card.
Typically indicates the controller has gone through a power on-off cycle.
Faults/Alarms Menus
Stored Faults/Alarms Menu
T V R M 75 M O D
V E R : 4.1.4
F U N C T IO N S E LE C T
STORED
F LT S /A LM S
M O D U LA T O R x
T X IN T E R F A C E x
COMMON x
C LE A R ??
S T O R E D T IM E /D A T E
H H :M M :S S /M M -D D -Y Y
S T O R E D T IM E /D A T E
H H :M M :S S /M M -D D -Y Y
S T O R E D T IM E /D A T E
H H :M M :S S /M M -D D -Y Y
S T O R E D F A U LT S
(F A U LT LA B E L)
IF S Y N T H E S IZ E R
D A T A C LO C K S Y N
I CHANNEL
Q CHANNEL
A G C LE V E L
M O D U LE
IF M O D U LE
C O N F IG U R A T IO N
(F A U LT LA B E L)
FRAME SYNC
D A T A S T A B LE /A IS
C LO C K P LL
C LO C K A C T IV IT Y
F IF O
IN T E R FA C E M O D U LE
(F A U LT LA B E L)
B A T T E R Y /C LO C K
-12 V O LT S U P P LY
+12 V O LT S U P P LY
+5 V O LT S U P P LY
C O N T R O LLE R
C LE A R ??
YES
N otes:
1. x = 0 to 9.
K ey:
2. Stored tim e/date w ill
alternate. H H :M M :S S ,
M M -D D -YY,
or N O F AU LT .
A C C ES S T O
S U BM E N U
Figure 3-8
C O N D IT IO N A L O R
O P T IO N -D E PE N D E N T
P a ra m e te r In fo rm a tio n
Stored Faults/Alarms Menu
Stored Faults/Alarms Menus
Refer to Figure 3-8.
The modulator stores the first 10 (Flt0 through Flt9) occurrences of
fault status changes in each of the three major fault categories. Each
fault status change is stored with the time and date of the occurrence.
Stored faults may be viewed by entering the Stored Faults level from
the Function Select menu.
All stored faults may be cleared by executing the CLEAR Stored
Faults? command from the Stored Faults level.
49
OPERATION
50
Chapter 3
Stored faults are not maintained through a controller power-on reset
cycle. However, the last known time is maintained in non-volatile
RAM, and upon power-down, a common equipment fault is logged
(Flt0) with that time and date. On power-up, an additional common
equipment fault is also logged (Flt1) to indicate the power-up time and
date. On power-up, the power-down and power-up times are logged
as common equipment fault 0 and common equipment fault 1.
Upon entering the Stored Faults level, press [←] or [→] to move
between the fault groups and the CLEAR Stored Faults?? selections.
The time and date of the first stored fault status (Flt0) for the selected
group will be displayed alternately on line 2 of the display.
Press [↑] or [↓] to cycle through the selected group’s stored fault status
(Flt0 through Flt9). To display the fault status associated with the
displayed time and date, press [ENTER]. At this time, press [←] or [→]
to move the flashing cursor to the fault to be identified.
To clear the stored faults currently logged, simply press [ENTER]
when the CLEAR Stored Faults/YES?? selection is displayed, press
[ENTER] again to clear.
Note: Faults are stored in time sequence, with the oldest fault status
change stored in Flt0, and the most recent in Flt9. Only the first 10 fault
status changes are stored, additional faults are ignored until the log is
cleared. All stored faults which have not been used indicate No Fault
on the display.
Faults/Alarms Menus
Utility Menus
The utility functions are divided into four user categories, and provide
access to the following Utility menus:
■
Modulator
■
Ιnterface
■
System
■
Mod Options
These menus provide a means to:
■
Set the time and date of the modulator real time clock.
■
Test the front panel optical indicators.
■
Choose filtering types, code rates, decoder types, TX fault
enables, modulator type, and overhead type.
After entering the Utility functions level, press [←] or [→] to select the
Utility menu desired, and press [ENTER]. Press [←] or [→] to select the
utility function of interest.
Notes:
1.
2.
The Utility Factory Setup menu is for Tiernan service personnel
only. Unauthorized access may cause the modulator to operate
incorrectly.
Changes in the Utility menu may cause changes in other front
panel menus.
51
OPERATION
52
Chapter 3
Utility Modulator Menu
TV R M 75 M O D
V E R : 4.1 .4
FU N C TIO N S E LE C T
U T ILIT Y
U T ILIT Y
M O D U LA TO R
M O D S P E C TR U M
MOD POW ER
O F FS E T
P O W E R U P TX-IF
M O D U LA TO R TY P E
NO RMAL
IN V E R T
-4 0.0 to + 40.0 dB - U S E R p ow er o ffset
in 0 .1 d B step s.
LA S T K N O W N
OFF
D V B -1
D V B -2
N o te: P ressing E nter
in this m e nu tu rns off
TX-IF O U TP U T.
A n ythin g e xce pt 0.0 dB will caus e “A D J”
to b e d ispla yed in th e
TX P O W E R L E V E L scre en.
PRESS ENTER TO
TU R N O N TX-IF
K e y:
AC C ESS TO
SU BM EN U
Figure 3-9
C O N D IT IO N A L O R
O P T IO N -D E P E N D E N T
Utility Modulator Menu
P a ram e te r In fo rm ation
Faults/Alarms Menus
Utility Modulator Menu (refer to Figure 3-9)
Mod Spectrum
Programmable Vector Rotation.
Allows the operator to select NORMAL or INVERT for spectrum reversal of the
I and Q baseband channels.
Mod Power Offset
Modulator Power Adjust Offset.
Allows the operator to offset the modulator output power readout in the
Configuration menu. This feature does not actually change the modulator
power level. The function is to change the actual reading to display an offset
value in the monitor. The modulator Power Offset can be set from 0 to
± 40.0 dB, in 0.1 dB increments. Anything except 0.0 dB causes (ADJ) to be
displayed in the TX Power Level screen.
Power Up TX-IF
Selects the state in which the TX-IF Output will be at power up. Selections
include OFF and LAST KNOWN (last known state).
Upon entry, the current status of the TX-IF Output power up state is displayed.
Press [↑] or [↓] to make the selection. Press [ENTER] to execute the change.
Modulator Type
Programs selection of spectral mask type:
•
DVB-1: This is the default mask and is the “best fit” to the ETS 300 421
mask.
•
DVB-2: This mask has a sharper cutoff in the transition region from 3 to 40
dB resulting in a narrower spectrum, than DVB-1, at the 35 dB down
region.
Allows the operator to select DVB-1 or DVB-2.
53
OPERATION
54
Chapter 3
Utility Interface Menu
T V R M 75 M O D
V E R : 4.1.4
F U N C T IO N S ELE C T
U T ILIT Y
U T ILIT Y
IN T E R F A C E
IN T E R F A C E TY P E
R S -422
A IS /R S -422
UNKNOW N
K ey:
ACCESS TO
SUBMENU
C O N D IT IO N A L O R
O P T IO N -D E P E N D EN T
P a ra m e te r In fo rm a tio n
S ee A ppendix A for m enus
specific to the available
interface m odules.
Figure 3-10
Utility Interface Menu
.
Utility Interface Menu (refer to Figure 3-10)
Interface Type
Displays the interface type installed in the modulator (for
example, RS-422 or UNKNOWN). This is a status
window only, and no changes can be made from this
menu.
Refer to Appendix A for information about the front
panel menus for specific interface types.
Note: As additional data interfaces are introduced, they
are added to the menu. If an interface is not recognized,
then UNKNOWN is displayed. In this case, a later
version of firmware may be required to operate with the
data interface.
Faults/Alarms Menus
Utility Interface Menu, RS-422
TVRM75 MOD
VER: 4.1.4
FUNCTION SELECT
UTILITY
UTILITY
INTERFACE
INTERFACE TYPE
RS422 INTF SELECT
INTERFACE MODE
SELECT
RS422
DVB (J3)
530 (J4)
SERIAL
PARALLEL
RTS STATE
CTS STATE
STATE
DM STATE
NORMAL
INVERT
NORMAL
INVERT
NORMAL
RTS TX-IF CNTRL
ON
OFF
Key:
ACCESS TO
SUBMENU
Figure 3-11
CONDITIONAL OR
OPTION-DEPENDENT
Parameter Information
Utility Interface Menu, RS422
55
OPERATION
56
Chapter 3
Utility Interface Menu, RS-422 (refer to Figure 3-11)
INTERFACE TYPE
Displays RS422 or UNKNOWN. This is a status window only, and no
changes can be made from this menu.
Note: As additional data interfaces are introduced, they are added to the
menu. If an interface is not recognized, then UNKNOWN is displayed. In
this case, a later version of firmware may be required to operate with the
data interface.
RS422 INT
SELECT
Displays the interface type DVB(J3) or 530 (J4).
Upon entry, the current status of the DVB type is displayed. Press [↑] or
[↓] to make the selection. Press [ENTER] to execute the change.
INTF MODE
SELECT
Displays the mode type SERIAL or PARALLEL.
Upon entry, the current status of the mode type is displayed. Press [↑] or
[↓] to make the selection. Press [ENTER] to execute the change.
RTS TX-IF CNTRL
Displays the status of RTS either ON or OFF type.
Upon entry, the current status of RTS is displayed. Press [↑] or [↓] to
make the selection. Press [ENTER] to execute the change
RTS STATE
Displays the status of RTS STATE either NORMAL or INVERT type.
Upon entry, the current status of RTS is displayed. Press [↑] or [↓] to
make the selection. Press [ENTER] to execute the change
CTS STATE
Displays the status of CTS STATE either NORMAL or INVERT type.
Upon entry, the current status of CTS is displayed. Press [↑] or [↓] to
make the selection. Press [ENTER] to execute the change
DM STATE
Displays the status of DM STATE either NORMAL or INVERT type.
Upon entry, the current status of DM is displayed. Press [↑] or [↓] to
make the selection. Press [ENTER] to execute the change
Faults/Alarms Menus
Utility Interface Menu, ASI/RS-422
TVRM75 MOD
VER: 4.1.4
UTILITY
INTERFACE
FUNCTION SELECT
UTILITY
INTERFACE TYPE
INTERFACE SELECT
TX INTERFACE
FIRMWARE
ASI/RS422
ASI
RS422
Press <ENTER> to show
current FW release date
MM/DD/YYYY
Press <CLEAR> to exit date
menu.
ASI LINK SELECT
INTERFACE LOOP
THRU
A-Link (J4)
B-Link (J3)
(ASI Interface Mode only)
ON
OFF
(ASI Interface Mode only)
CTS STATE
DM STATE
ST STATE
NORMAL
INVERT
(RS422 Interface only)
NORMAL
INVERT
(RS422 Interface only)
NORMAL
INVERT
(RS422 Interface only)
RTS TX-IF CNTRL
ON
OFF
(RS422 Interface only)
RTS STATE
NORMAL
INVERT
(RS422 Interface only)
Key:
ACCESS TO
SUBMENU
Figure 3-12
CONDITIONAL OR
OPTION-DEPENDENT
Parameter Information
Utility Interface Menu, ASI/RS-422
57
OPERATION
58
Chapter 3
Utility Interface Menu, ASI/RS-422 (refer to Figure 3-12)
INTERFACE TYPE
Displays ASI/RS422 or UNKNOWN. This is a status window only, and no
changes can be made from this menu.
INTERFACE SELECT Displays the mode type ASI or RS422 interface.
Upon entry, the current status of the mode type is displayed. Press [↑] or
[↓] to make the selection. Press [ENTER] to execute the change.
TX INTF FIRMWARE Press [ENTER] will show the FW Release date.
ASI LINK SELECT
(ASI Mode Only)
Displays the A-LINK (J4) or B-LINK (J3).
Upon entry, the current status of the mode type is displayed. Press [↑] or
[↓] to make the selection. Press [ENTER] to execute the change.
INTERFACE LOOP
THRU
(ASI Mode Only)
Displays the Interface Loop thru selection of either ON or OFF.
Upon entry, the current status of the mode type is displayed. Press [↑] or
[↓] to make the selection. Press [ENTER] to execute the change.
When On is selected, input data is looped to the output of the terrestrial
interface; data also continues into the modulator. This mode is identical
to the Interface Loopback function found on the Configuration Interface
menu, except that the front panel yellow Test Mode LED is not
illuminated.
Note: This option available only with VER 5.3.1 and later.
RTS TX-IF CNTRL
(RS422 Mode Only)
Displays the RTS selection of either ON or OFF.
Upon entry, the current status of the mode type is displayed. Press [↑] or
[↓] to make the selection. Press [ENTER] to execute the change.
RTS STATE
(RS422 Mode Only)
Displays the RTS selection of either NORMAL or INVERT.
Upon entry, the current status of the mode type is displayed. Press [↑] or
[↓] to make the selection. Press [ENTER] to execute the change.
CTS STATE
(RS422 Mode Only)
Displays the CTS selection of either NORMAL or INVERT.
Upon entry, the current status of the mode type is displayed. Press [↑] or
[↓] to make the selection. Press [ENTER] to execute the change.
DM STATE
(RS422 Mode Only)
Displays the DM selection of either NORMAL or INVERT.
Upon entry, the current status of the mode type is displayed. Press [↑] or
[↓] to make the selection. Press [ENTER] to execute the change.
ST STATE
(RS422 Mode Only)
Displays the ST selection of either NORMAL or INVERT.
Upon entry, the current status of the mode type is displayed. Press [↑] or
[↓] to make the selection. Press [ENTER] to execute the change.
Faults/Alarms Menus
Utility System Menu
TVRM75 MOD
VER: 4.1.4
TIME: HH:MM:SS AM/PM
DATE: MM/DD/YY
Current time and date.
FUNCTION SELECT
UTILITY
REMOTE BAUD RATE
X
PARITY
UTILITY
SYSTEM
REMOTE ADDRESS
REMOTE TYPE
1 to 255
RS485 (4-WIRE)
RS485 (2-WIRE)
RS232
X=
300
4800
600
9600
1200
19200
2400
X = bit/s
Parity: EVEN, ODD, or
NONE
YEAR DISPLAY
2- DIGIT
4-DIGIT
TEST MODE STATUS
RF OUTPUT
CARRIER MODE
MOD FAULTS
INTF FAULTS
2047 PATTERN
IMPULSE TEST
INTF LOOPBACK
LAMP TEST ??
DISPLAY CONTRAST
Press [ENTER] to turn On
all the front indicators for 3
seconds.
0 to 100
M&C FIRMWARE
FW/NNNN-DRR
BOOT FIRMWARE
FW/NNNN-DRR
ENCODER FIRMWARE
FW/NNNN-DRR
R/S FIRMWARE
FW/NNNN-DRR
Press [ENTER] to show
the FW release date.
MM/DD/YYYY
Press [CLEAR] to exit
the FW release date.
MM/DD/YYYY
Press [CLEAR] to exit
the FW release date.
MM/DD/YYYY
Press [CLEAR] to exit
the FW release date.
MM/DD/YYYY
Press [CLEAR] to exit
the FW release date.
MASTER RESET
ALARM RELAY
Key:
ACCESS TO
SUBMENU
HARD
SOFT
CONDITIONAL OR
OPTION-DEPENDENT
NORMAL
INVERT
Figure 3-13
Utility System Menu
Parameter Information
59
OPERATION
60
Chapter 3
Utility System Menu (refer to Figure 3-13)
Time/Date
Time of day and date set/display function.
The current time and date in the modulator memory are displayed when
selected. To set the modulator time and/or date, press [ENTER]. Press
[←] or [→] to position the flashing cursor over the parameter to be
changed. Press [↑] or [↓] to change the parameter to the desired value.
Once the parameters are displayed as desired, press [ENTER] to set the
time and date.
Remote Baud
Rate/Parity
The current baud rate and parity selection of the modulator are
displayed.
To set the modulator baud rate and/or parity, press [ENTER]. Press [←]
or [→] to position the flashing cursor over the parameter to be changed.
Press [↑] or [↓] to change the parameter to the desired value. Once the
parameters are displayed as desired, press [ENTER] to set the baud rate
and parity. The baud rate can be set from 300 to 19200. The parity can
be set to EVEN, ODD, or NONE.
Remote Address The current modulator address is displayed (1 to 255).
To set the remote address, press [ENTER]. Press [↑] or [↓] to change the
parameter to the desired value. Press [ENTER] to execute the change.
Note: Address 0 is reserved as a global address.
Remote Type
Remote interface type selection, choices include:
• RS-485 (4-wire)
• RS-485 (2-wire)
• RS-232
Press an arrow key to make the selection. Press [ENTER] to execute the
change.
Year Display
Displays the year in either 2-digits or 4-digits.
Press an arrow key to make the selection. Press [ENTER] to execute the
change.
Faults/Alarms Menus
Utility System Menu (refer to Figure 3-13) (continued)
Test Mode Status Test mode status indicator. The following modulator test points are listed
in this window and will display a “+” when a test mode is active:
•
RF OUTPUT
•
CARRIER MODE
•
MOD FAULTS
•
INTF FAULTS
•
2047 PATTERN
•
IMPULSE TEST
•
INTERFACE LOOPBACK
To view the test modes, press [ENTER]. Press [←] or [→] to move
through the list of test modes.
Lamp Test ??
Lamp test function to verify the front panel indicators.
Press [ENTER] to turn on all of the front panel indicators for three
seconds.
Display Contrast
Set the contrast level of the front panel display. Default: Level 64.
Press [ENTER] in order to change the contrast of the front panel display.
Press [↑] or [↓] to increment or decrement the number at the flashing
cursor from 0 to 100. Press [ENTER] to execute the change.
M&C FIRMWARE Displays M&C module firmware version.
Note: Pressing [CLEAR] will exit from this menu.
Upon entry, the date of release of this firmware will be displayed. This is
a status window only.
BOOT
FIRMWARE
Displays the Boot module firmware version. The display includes the
month, day, and year.
ENCODER
FIRMWARE
Displays Encoder firmware version.
Note: Pressing [CLEAR] will exit from this menu.
Upon entry, the date of release of this firmware will be displayed. This is
a status window only.
R/S FIRMWARE
Displays R/S module firmware version.
Note: Pressing [CLEAR] will exit from this menu.
Upon entry, the date of release of this firmware will be displayed. This is
a status window only.
61
OPERATION
62
Chapter 3
Utility System Menu (refer to Figure 3-13) (continued)
MASTER RESET Master reset function.
CAUTION
When a hard reset is initiated, the modulator hardware is reset, and
all default configuration settings will be installed. When a soft reset
is initialized, the modulator hardware will be reset, but the initial
firmware configuration settings will be saved.
Press [ENTER] once to access Soft. Press [↑] or [↓] to alternate between
Hard and Soft until the desired type is visible. Press [ENTER]. If Soft has
been selected, press [ENTER] again to reset the modulator. If Hard is
selected, press [→] until the cursor is on YES, and press [ENTER].
ALARM RELAY
Displays Alarm selection at NORMAL or INVERT>
Upon entry, the date of release of this firmware will be displayed. This is
a status window only.
Faults/Alarms Menus
Defaults after
Firmware
Upgrade or
Hard Reset
Table 3-3 Modulator Default Settings
Modulator Initial Settings
Data Rate
Symbol Rate
Modulation/Code Rate
Transmit Output Frequency
TX-IF Output
TX Power Level
Scrambler
Carrier Mode
Clock Phase
Data Phase
2047 Pattern
TX Sync Select
Data Fault
TX Clk Activity
DVB Framing Type
Mod Power Offset
Spectral Sense
Power Up TX-IF
Time and Date
Rev Emulation
Mod Faults Enable
Interface Faults Enable
Modulator Type
Settings Stored in EEPROM
Display Contrast Setting
Communications Type
Baud Rate
Parity
Address
15,000,000 bit/s
16,276,596 sym/s
QPSK 1/2
70 MHz
Off
-10.0 dBm
On
Normal-Modulated
Normal
Normal
Off
Auto Detect
None
Alarm
188
0.0 dB
Normal
Last Known
12:00 7/4/76
1
On
On
DVB-1
64
RS-485 (4-wire)
9600
Even
1
Note: See Appendix C for instructions on restoring the factory
default configuration after a firmware upgrade or a hard reset.
63
OPERATION
64
Chapter 3
Utility Mod Options Menu
T V R M 75 M O D
V E R : 4.1.4
F U N C T IO N S E LE C T
U T ILIT Y
U T ILIT Y
M O D O P T IO N S
R E V E M U LA T IO N
M O D O P T IO N S
M O D S E R IA L #
C O N F IG U R A T IO N
CODE - MOD
F U N C T IO N A L x
C U R R E N T V E R S IO N
(S tatus O nly)
(S tatus O nly)
(T iernan P roduct S upport
U s e O nly)
x = 1 to x
16Q A M
8P S K
O E M LC D
(- or +)
(- or +)
(- or +)
1) A A A A A A A A A A
2) A A A A A A A A A A
- = N ot Installed; + = Ins talled
K ey:
A C C ES S T O
S U BM E N U
Figure 3-14
C O N D IT IO N A L O R
O P T IO N -D E PE N D E N T
Utility Mod Options Menu
P a ra m e te r In fo rm a tio n
Faults/Alarms Menus
Utility Mod Options Menu (refer to Figure 3-14)
Rev Emulation
Programs an emulation mode of a previous functional revision.
Revision emulation allows the user interfaces (either front panel or
remote) to emulate a previous version of software.
Upon entry, the CURRENT VERSION is displayed. Press a
directional key to select the FUNCTIONAL versions. Press [ENTER]
to execute the change.
Note: The Utility menu numbers increase with each software version
change.
MOD Options
Status Only
Displays the following modulator options:
•
16QAM
•
8PSK
•
OEM LCD
If the option is not installed, the “-“ (minus) symbol is displayed to the
right of the option. If the option is installed, the “+“ (plus) symbol is
displayed to the right of the option
Note: 16QAM and ISQ are future options.
MOD Serial#
Status Only
Displays the modulator serial number.
Configuration
Code–MOD
Tiernan Product Support Use Only
65
OPERATION
66
Chapter 3
Utility Factory Setup Menu
T V R M 75 M O D
V E R : 4.1.4
F U N C T IO N S E LE C T
U T ILIT Y
U T ILIT Y
F A C T O R Y S E T -U P
K ey:
ACCESS TO
SUBMENU
Figure 3-15
CAUTION
C O N D IT IO N A L O R
O P T IO N -D E P E N D E N T
P a ra m e te r In fo rm a tio n
Utility Factory Setup Menu
This configuration is used for factory alignment and filter setup parameters. To
avoid modulator failure, Factory Setup should not be changed by unauthorized
personnel.
Description
Appendix A
DATA INTERFACES
This chapter describes the plug-in data interface modules used with
the TVRM75.
Description
The data interface is a plug-in module that provides a specific
terrestrial connection to the modulator unit. Where practicable, both
the transmit (modulator) and receive (demodulator) paths are
incorporated into the data interface.
Each data interface has its own specification. Some general
requirements are described in the main body of the specification. The
requirements for each interface includes:
■
Reference to any other interface specification, such as: G.703,
RS-422.
■
Voltage levels (where applicable) for clarity, or when not
covered adequately by the referenced standard.
■
Signal/timing characteristics under special conditions.
■
Timing, if not covered by the applicable specification, or if
special.
■
Pinout and signal description for all connectors.
■
Description of each connector.
■
Limitations: data rate range.
■
Where needed, any other application information.
Different interfaces are described in the following sections of this
appendix. As additional interfaces are developed, the appendix will
be revised to include the new interfaces. Contact Tiernan Customer
Support for the latest offering.
67
DATA INTERFACES
68
Appendix A
Software
Requirement
As additional data interfaces are introduced, the software is revised to
support the operation of each interface. Table A-1 summarizes the
minimum software version necessary to operate each interface type.
Table A-1 Minimum Software Revisions
Data Interface
Minimum Software Version
RS-422
4.1.4
ASI & RS-422
4.1.4
To avoid damaging the modulator, always disconnect the power
before removing or installing a data interface.
CAUTION
RS-422
Parallel/Serial
Interface
The following paragraphs describe the RS-422 parallel and serial
interface. The interface operates at RS-422 signal levels. It
accommodates a variety of MPEG2 framing formats and EIA-530
serial data.
Applicable specifications referenced within this manual include:
■
TM1449 — Interfaces for CATV/SMATV Headends and Similar
Professional Equipment
■
TIA/EIA-644 — Telecommunications Industry Standard,
Electrical Characteristics Of Low Voltage Differential Signaling
(LVDS) Interface Circuits (originally Standards Proposal
SP-3357)
■
EIA-422 — Electrical Characteristics of Balanced Voltage Digital
Interface Circuits
■
EIA-530 — High Speed 25-Position Interface for Data
Circuit-Terminating Equipment
RS-422 Parallel/Serial Interface
Description
The RS-422 interface has two data connectors and an auxiliary
connector supporting various operating modes.
■
■
J3 Parallel connector (25-pin D, female):
■
Parallel mode–In this mode, the interface behaves like a
DVB parallel synchronous interface, but with RS-422
levels. The input is at the byte rate.
■
Serial mode–An alternate form of operation is possible,
where the MSB is used for serial input at the bit rate.
J4 Serial connector (25-pin D, female):
■
■
Serial mode only–EIA-422 levels with pinout and
operation per EIA-530 at a serial clock rate.
J5 Auxiliary connector (9-pin D, female):
■
Provides an additional ST Clock (output), plus open
collector fault signals.
The appropriate interface control is automatically enabled when the
interface module is installed in the modulator. The plug-in data
interface is programmable for serial or parallel operation from either
the front panel keypad or the remote port on the rear panel.
The following cables, or an equivalent computer-grade cable
incorporating twisted, shielded pairs, are recommended:
■
Belden type LV Computer M9768
■
Belden 8175
The Belden 8175 has a lower capacitance, however it has a larger
diameter and requires the selection of an appropriate connector shell.
The maximum cable length for the serial and parallel interfaces is
unknown. Typical lengths are less than 5 meters.
The interface operates to the specifications described in Table A-2.
69
DATA INTERFACES
70
Appendix A
Table A-2 RS-422 Interface Specifications
General Specifications
Interface Type
RS-422/EIA-530 Synchronous, Serial/Parallel.
Data Rate
1.5 to 18 Mbit/s, serial.
0.1875 to 12.5 Mbyte/s, parallel.
Data Framing Formats
188, 204 byte packets per ETS 300 421, and None.
Connectors
25-pin, female D for serial data.
25-pin, female D for parallel data.
9-pin, female D for reference clock from unit (modulator only), plus
fault.
Electrical Properties
Per EIA-422.
Parallel Signal Types
TX: TX Clock, TX Data, Data Valid, and Sync per TM1449.
The modulator does not require Sync or Data Valid with the 188 or
204 byte patterns.
Parallel: RX Clock, RX Data, Data Valid, and Sync per TM1449
Reference (ST equivalent).
Serial Signal Types
Configuration
Serial: SD, ST, TT, RS, CS, RD, RT, RR (CD).
Note: The jumper location on the interface card and the optional
positions are shown in Figure A-1.
A single jumper provides the option for a transmit or receive reference
clock on connector J3 (pins 2 and 15). The pins are configured at the
factory as signal ground per TM 1449. For modulator applications
where an SCT output is required in conjunction with using the DVB
Data port (J3), SCT may be jumpered to pins 2 and 15, thus providing
all signals on a single connector.
The same jumper configuration in demodulator applications provides
for a Master clock input. Alternatively, SCT and Master clock
interconnects are available on the Auxiliary port (J5).
RS-422 Parallel/Serial Interface
X
U
A
5
J
L
A
IR
E
S
4
J
L
E
L
L
A
R
A
P
3
J
DVB
CONFIGURATION
(FACTORY SETTING)
JUMPER SELECT
FOR J3 PIN 2 & 15
RS-422
Figure A-1
J3 - 2 & 15
GND
CLOCK
CONFIGURATION
J3 - 2 & 15
MODULATOR
SCT CLOCK OUTPUT
J3 - 2 & 15
DEMODULATOR
MASTER CLOCK INPUT
RS-422 Interface Module PCB
71
DATA INTERFACES
72
Appendix A
User
Interfaces
The following paragraphs describe the RS-422 user interfaces.
Parallel, J3, DB25 Female (DVB Parallel/Serial Data
Interface) This data port supports DVB and DBS parallel and serial
packetised data. The following standard frame formats are supported:
■
None, no framing byte format — continuous serial or parallel
payload data with no framing information.
■
188 byte format — serial or parallel data, (1 sync byte + 187
payload bytes).
■
204 byte format — serial or parallel data, (1 sync byte + 187
payload bytes + 16 bytes for Reed-Solomon coding).
Figure A-2 and Figure A-3 depict the 204 byte packetization for byte
parallel and byte serial formats, showing all possible data fields and
timing signal relationships. The 188 byte and no framing formats are
subsets of the 204 byte format.
1 Byte Sync
DATA
187 Bytes Payload
187
1
SYNC
1 Byte Sync
16 RS Bytes
1
16
1
SYNC
SYNC
CLOCK
DVALID
Figure A-2
1496 Bits Payload
8 Bits Sync
DATA
0
1
0
0
0
1
204 Byte Parallel Format
1
1
128 Bits RS
8 Bits Sync
0
1
SYNC
CLOCK
DVALID
Figure A-3
204 Byte Serial Format
0
0
0
1
1
1
RS-422 Parallel/Serial Interface
For proper operation, data and timing must be continuous and meet
the criteria shown in Table A-3.
Table A-3 Data and Timing Criteria
DATA
Payload data is byte parallel, where DATA 7 is the most significant bit; or byte
serial, where data is applied to DATA 7 with the most significant bit preceding the
least.
For 188 and 204 format, the payload is 187 bytes in length, preceded by a sync
word. In the 204 byte mode, the payload is followed by 16 bytes of
Reed-Solomon data, or 16 filler bytes.
CLOCK
The clock is at the bit or byte rate in accordance with serial or parallel mode. The
rising edge of the clock is centered on the data.
SYNC
SYNC timing depends upon the selection made for DVB FRAMING TYPE in the
Configuration Interface menu.
DVB FRAMING TYPE
SYNC
188 or 204
The SYNC timing is derived from either the EXT
SYNC or CORR ON DATA selection from the
Configuration Interface menu.
NONE
The SYNC signal is ignored.
For the 188 or 204 byte framing modes, either a sync pulse or sync byte of value
47h is required, dependent on the modulator configuration. Both may be applied,
with only one having effect, dependent upon configuration. When used, the sync
pulse is active high centered over the sync word. In parallel operation, it is one
byte clock wide. In serial operation, the modulator recognizes the sync pulse
centered on the entire sync byte (8 clocks wide), or centered on the most
significant bit of the byte (1 clock wide).
DVALID
Although this signal is identified by both DVB and DBS formats, it is not used by
the modulator.
Connector Pinout, J3 The connector is a sub-miniature, 25-pin,
female D connector, with threaded jack nuts (refer to Table A-4 for
pinout). All signals on this connector are inputs to the modulator,
except the signal pair on pins 2 and 15 when the jumper is selected for
SCT output.
When used as a serial data port, Data 7 (pins 3 and 16) are the active
data pins. Signal assignments for pins 2 and 15 are jumper-selectable.
They are defined as signal ground in the DVB definition of TM1449,
but may be configured to provide SCT out. Refer to the section on
Configuration for jumper specifics.
Signal levels are as defined in EIA-422.
73
DATA INTERFACES
74
Appendix A
Per TM1449, the differential sense of all signal pairs is a logic “1” when
“A” is positive with respect to “B.” This is the normal selection in the
Configuration Interface menu (refer to Chapter 3).
Table A-4 DVB Interface Connector Pinout, J3
Pin #
Signal Function/Name
Type
Comment
1
Clock A
I/O
Mod/Demod
2
System GND/REFCLKB
O/GND
Mod/Demod
Jumper selectable
SCT for Modulator
Master Clock for Demodulator
3
Data 7 A(MSB/Serial)
I/O
Mod/Demod
4
Data 6 A
I/O
Mod/Demod
5
Data 5 A
I/O
Mod/Demod
6
Data 4 A
I/O
Mod/Demod
7
Data 3 A
I/O
Mod/Demod
8
Data 2 A
I/O
Mod/Demod
9
Data 1 A
I/O
Mod/Demod
10
Data 0 A
I/O
Mod/Demod
11
DVALID A
I/O
Mod/Demod
12
SYNC A
I/O
Mod/Demod
13
Cable Shield
I/O
Mod/Demod
14
Clock B
I/O
Mod/Demod
15
System GND/REFCLKA
O/GND
Mod/Demod
Jumper selectable
SCT for Modulator
Master Clock for Demodulator
16
Data 7 B (MSB/Serial)
I/O
Mod/Demod
17
Data 6 B
I/O
Mod/Demod
18
Data 5 B
I/O
Mod/Demod
19
Data 4 B
I/O
Mod/Demod
20
Data 3 B
I/O
Mod/Demod
21
Data 2 B
I/O
Mod/Demod
22
Data 1 B
I/O
Mod/Demod
23
Data 0 B
I/O
Mod/Demod
24
DVALID B
I/O
Mod/Demod
25
SYNC B
I/O
Mod/Demod
RS-422 Parallel/Serial Interface
Serial, J4,
DB25 Female
(EIA-530
Serial Data
Interface)
This interface has no provision for SYNC or DVALID signals. If
framing is desired, a sync byte(47 hex) is imbedded into the data
stream every 188 or 204 bytes, as selected in the modulator
configuration. The modulator detects the sync byte and formats the
serial interface data into a standard, error-protected 204 byte packet.
Connector Pinouts, J4
The connector is a subminiature, 25-pin,
female D connector, with threaded jack nuts (refer to Table A-5 for
pinout). Signal functions are as defined in EIA-530.
Notes:
1.
2.
The differential sense of all signals is a logic “1” when “B” is
positive with respect to “A” as defined in EIA-530.
Only those pins indicated as “modulator” in the table are
applicable.
Table A-5 EIA530 Serial Interface Connector Pinout (J4)
Pin #
Signal Function
Name
1
530 Shield
Shield
2
Transmit Data (TD-A)
BA-A
I
Modulator
3
Receive Data (RD-A)
BB-A
O
Demodulator
4
Request To Send (RS-A)
CA-A
I
Modulator
5
Clear To Send (CS-A)
CB-A
O
Modulator
6
DCE Ready (DM-A)
CC-A
O
Demodulator
7
Signal Ground
AB
GND
8
Receive Line Signal Detect (RR-A)
CF-A
O
Demodulator
9
Receive Timing (RT-B)
DD-B
O
Demodulator
10
Receive Line Signal Detect (RR-B)
CF-B
O
Demodulator
11
Terminal Timing (TT-B)
DA-B
I
Modulator
12
Send Timing (ST-B)
DB-B
O
Modulator
13
Clear To Send (CS-B)
CB-B
O
Modulator
14
Transmit Data (TD-B)
BA-B
I
Modulator
15
Send Timing (ST-A)
DB-A
O
Modulator
16
Receive Data (RD-B)
BB-B
O
Demodulator
17
Receive Timing (RT-A)
DD-A
O
Demodulator
18
Type
Comment
Mod/Demod
N/C
75
DATA INTERFACES
76
Appendix A
Table A-5 EIA530 Serial Interface Connector Pinout (J4)
19
Request To Send (RS-B)
CA-B
I
Modulator
20
Master Clock (MC-A)
N/A
I
Demodulator
21
Demodulator Fault (DF)
N/A
O
Demodulator
22
DCE Ready (DM-B)
CC-B
O
Demodulator
23
Master Clock (MC-B)
N/A
I
Demodulator
24
Terminal Timing (TT-A)
DA-A
I
Modulator
25
Modulator Fault (MF)
N/A
O
Modulator
Auxiliary, J5
This port provides for other modem-specific signals
not otherwise defined for either or both of the two data connectors.
Connector Pinout, J5 The connector is a sub-miniature, 9-pin,
female D connector, with threaded jack nuts (refer to Table A-6 for
connector pinout).
Differential pairs are RS-422 compatible.
Note: The sense of differential signal pairs is a logic “1” when “B” is
positive with respect to “A”.
Single ended signals (MF and DF fault signals) are open collector
where:
Voh=12V max. and Vol=0.5V max. @ Iol=8 ma.
A pull-up resistor external to the equipment is required.
The fault signals, MF and DF, operate as follows: A fault is indicated
by an “OFF” collector (high) and OK status is indicated by an “ON”
collector (low).
RS-422 Parallel/Serial Interface
Table A-6 Auxiliary Connector Pinout (J5)
Pin #
Signal Function
Name
Type
GND
Signal Ground
2
Demod Fault Indicator
DF
I
Demodulator Summary Fault
Redundancy switch application
3
Send Timing
ST-A
O
Modulator
SCT for terrestrial synchronization
1
4
Comment
N/C
5
Master Clock
MC-B
I
Demodulator
6
Mod Fault Indicator
MF
O
Modulator Summary Fault
Redundancy switch application
7
Carrier Detect
/CD
O
Demodulator
8
Send timing
ST-B
O
Modulator
SCT for terrestrial synchronization
9
Master Clock
MC-A
I
Demodulator
77
DATA INTERFACES
78
Appendix A
RS-422 Front
Panel Menus
TVRM75 MOD
If the RS-422 interface module is installed, the Utility Interface menu
displays commands specific to that interface, as shown in Figure A-4
and described in Table A-7.
VER: 4.1.4
FUNCTION SELECT
UTILITY
UTILITY
INTERFACE
INTERFACE TYPE
RS422 INTF SELECT
RTS TX-IF CNTRL
RTS STATE
RS422
DVB (J3)
530 (J4)
ON
OFF
NORMAL
INVERT
CTS STATE
DM STATE
NORMAL
INVERT
NORMAL
INVERT
Key:
ACCESS TO
SUBMENU
Figure A-4
CONDITIONAL OR
OPTION-DEPENDENT
Parameter Information
Utility Interface RS-422 Options Menu
RS-422 Front Panel Menus
Table A-7 Utility Interface Menu, RS-422
RS422 INT Select
RS-422 interface selection. Options include the following:
•
DVB (parallel connector)
•
530 (serial connector)
Upon entry, the current status is displayed. Press an arrow key to
make the selection. Press [ENTER] to execute the change.
INTF MODE Select Programs the modulator to use either SERIAL or PARALLEL
interface mode.
Note: INTF MODE SELECT appears only when the DVB interface
type is selected.
Upon entry, the current status is displayed. Press an arrow key to
make the selection. Press [ENTER] to execute the change.
RTS TX-IF CNTRL Programs the modulator to use a Request To Send (RTS) logic high
signal to enable the output when data is ready for transmission.
•
ON uses the RTS signal
•
OFF does not use the RTS signal
Upon entry, the current status is displayed. Press an arrow key to
make the selection. Press [ENTER] to execute the change.
RTS State
Selects the logic sense, which can be either:
•
NORMAL
•
INVERT
Upon entry, the current status is displayed. Press an arrow key to
make the selection. Press [ENTER] to execute the change.
CTS State
Selects the logic sense, which can be either:
•
NORMAL
•
INVERT
Upon entry, the current status of the RTS TX-IF CNTRL is displayed.
Press an arrow key to make the selection. Press [ENTER] to execute
the change.
DM State
Selects the logic sense, which can be either:
•
NORMAL
•
INVERT
Upon entry, the current status is displayed. Press an arrow key to
make the selection. Press [ENTER] to execute the change.
79
DATA INTERFACES
80
Appendix A
RS-422 Defaults
Default settings for the RS-422 interface are
listed in Table A-8.
Table A-8 RS-422 Interface Defaults
RS422 Interface Select
RS-422
Remote
Commands
DVB
Interface Mode Select
Serial
RTS TX-IF Control
Off
RTS State
Normal
CTS State
Normal
DM State
Normal
The control commands listed in Table A-9 are displayed only when the
RS-422 interface module is installed.
Table A-9 RS-422 Remote Command Summary
Interface
Select
Command
Command:
Response:
<add/ISEL_xxx'cr'
>add/ISEL_xxx'cr''lf']
Where: xxx = DVB or 530.
Status:
Response:
<add/ISEL_'cr'
>add/ISEL_xxx'cr''lf']
This command selects which interface
connector will be used for data.
RTS TX-IF
Command:
Control Mode Response:
<add/RTSM_xxx'cr'
>add/RTSM_xxx'cr''lf']
Where: xxx = ON or OFF.
This command configures the modem for
the RTS TX-IF control mode.
Status:
Response:
<add/RTSM_'cr'
>add/RTSM_xxx'cr''lf']
If "ON" is selected, the TX-IF output will
only be turned on if the incoming RTS
signal is asserted (also the TX-IF output
has to be programmed ON and no major
modulator faults are present). If "OFF" is
selected, the TX-IF output will operate
normally, ignoring the RTS signal.
Command:
Response:
<add/RTSS_xxx'cr'
>add/RTSS_xxx'cr''lf']
Where: xxx = NRM (normal sense), or INV
(inverted sense).
Status:
Response:
<add/RTSS_'cr'
>add/RTSS_xxx'cr''lf']
This command controls the logic sense of
the RTS signal.
Command:
Response:
<add/CTSS_xxx'cr'
>add/CTSS_xxx'cr''lf']
Where: xxx = NRM (normal sense), or INV
(inverted sense).
Status:
Response:
<add/CTSS_'cr'
>add/CTSS_xxx'cr''lf']
This command controls the logic sense of
the CTS signal.
RTS State
Control
CTS State
Control
RS-422 Front Panel Menus
Table A-9 RS-422 Remote Command Summary (continued)
DM State
Control
Command:
Response:
<add/DMS_xxx'cr'
>add/DMS_xxx'cr''lf']
Where: xxx = NRM (normal sense) or INV
(inverted sense).
Status:
Response:
<add/DMS_'cr'
>add/DMS_xxx'cr''lf']
This command controls the logic sense of
the DM (DCE-ready) signal.
MCP
Command
Config.
Command:
Response:
<add/MCP_'cr'
>add/MCP_'cr'
Interface Select
ISEL_xxxxxx’cr’ 2
Interface Mode
ICLK_xxx’cr’
DVB Framing Type
TDVB_xxxx’cr’
Modulator Frequency
MF_nnn.nnnn'cr'
MR_nnnn_mmm.mmmmmm'cr' Modulator Rate
Modulator Power Offset
MPO_snn.n’cr’
Modulator Output Power
MOP_snn.n'cr'
Scrambler Enable (ON/OFF)
SE_xxx'cr'
Transmit Clock Phase
TCP_xxx'cr'
Transmit Data Phase
TDP_xxxx'cr'
Transmit Data Fault
TDF_xxxx’cr’
Transmit 2047 Pattern Generator
ISP_xxx'cr'
Transmit Sync Select
SYNC_xxxx'cr'
Modulator Spectrum Rotation
MSR_xxx'cr'
Modulator Type
MT_xxxx’cr’
Transmit IF Output Power-up Configuration
TXPU_xxxxx’cr’
Carrier Only Mode
COM_xxxxxx’cr’
RTS Mode Control
RTSM_xxx’cr’
RTS State Control
RTSS_xxx’cr’
CTS State Control
CTSS_xxx’cr’
DMS State Control
DMS_xxx’cr’
TX Clock Activity Action
TCAA_xxxx'cr'
RF Output (ON/OFF)
RF_xxx'cr''lf'])
ICS
Command
Config.
Command:
Response:
<add/ICS_'cr'
>add/ICS_'cr'
TCP_xxx'cr'
TDP_xxxx'cr'
ISP_xxx'cr'
SYNC_xxxx'cr'
TDF_xxxx’cr’
TDVB_xxxx’cr’
INID_xxxxxxxxx’cr’
ISEL_xxxxxx’cr’
ICLK_xxx’cr’
RTSM_xxx’cr’
RTSS_xxx’cr’
CTSS_xxx’cr’
DMS_xxx’cr’
TCAA_xxxxx’cr’’lf’]
Transmit Clock Phase
Transmit Data Phase
Transmit 2047 Pattern Generator
Transmit Sync Select
Transmit Data Fault
DVB Framing Type
Interface Identification
Interface Select
Interface Mode
RTS Mode Control
RTS State Control
CTS State Control
DM State Control
TX Clock Activity Action
81
DATA INTERFACES
82
Appendix A
Table A-9 RS-422 Remote Command Summary (continued)
BCS
Parameters
23 to 32 1
23
Interface Select
(ref. "ISEL_" command).
p23 = n, where n = ‘0’ (DVB), ‘1’ (530).
24
RTS TX-IF Control Mode
(ref. "RTSM_" command).
p24 = n, where n = ‘0’ (Off), ‘1’ (On).
25
RTS State Control
(ref “RTSS_” command).
p25 = n, where n = ‘0’ (Normal), ‘1’ (Invert).
26
CTS State Control
(ref “CTSS_" command).
p26 = n, where n = ‘0’ (Normal), ‘1’ (Invert).
27
DM State Control
(ref "DMS_" command).
p27 = n, where n = ‘0’ (Normal), ‘1’ (Invert).
28 to 32
Reserved.
1 - Parameters 23 through 27 of the BCS command are displayed only when the RS-422 interface
module is installed.
2 - The use of this command is dependent upon the type of interface module installed in the modulator.
This command is used by the Tiernan M:N protection switch to collect information that is necessary to
configure back-up modulators. Because this command (content and/or order) can be changed at any
time by Tiernan, it is advisable that other commands ('MCS_' and 'ICS_', or 'BCS_') be used for M&C
systems.
ASI & RS-422
Data Interface
This section describes the Asynchronous Serial Interface (ASI) and
RS-422 Data Interface.
Applicable specifications referenced in this manual include:
■
TM1449 — Interfaces for CATV/SMATV Headends and Similar
Professional Equipment
■
EIA-422 — Electrical Characteristics of Balanced Voltage Digital
Interface Circuits
■
EIA-530 — High Speed 25-Position Interface for Data Circuit Terminating Equipment
■
ETS 300 421 — Digital Broadcasting Systems For Television,
Sound And Data Services; Framing Structure, Channels Coding
And Modulation For 11/12 GHz Services
ASI & RS-422 Data Interface
EIA-422/530ASI O U TPUTS
This data interface is a plug-in module, shown in Figure A-5, that
inserts into the rear of the TVRM75 Modulator. It provides physical
and electrical connection between the external terrestrial circuit and
the internal circuitry of the modulator.
ASI IN PU TS
J3
J4
J5
J6
J7
Description
Figure A-5
ASI Module Assembly
The ASI and RS-422 interface combines two electrical and physical
interfaces into a single assembly.
The ASI section provides DVB-compliant interface with BNC
connectors, while the RS-422 section supports serial communications
through a standard 25-pin D connector per EIA-530. Operation for
either ASI or RS-422 is selected by programming the unit from the
front panel keypad/LCD or from the remote port. Only one of the
interface types is active at a time. Figure A-6 is a block diagram of the
interface.
83
DATA INTERFACES
Appendix A
J3
TX
ASI
BNC-F
ASI
RECOVERY
J4
DC
POWER
TT
SD
RECOVERY,
ST
RS
TERRESTRIAL
INTERFACE
PROCESSING
RS-422
84
CS
RR
AND
LOOPBACK
LEVEL
TRANSLATORS
MODULATOR/
DEMODULATOR
INTERFACE
ASI/RS-422
RD
RT
SELECTION
DM
M&C
J5
RX
ASI
BNC-F
ASI
GENERATOR
J6
Figure A-6
ASI and RS-422 Interface Block Diagram
A 75Ω coaxial cable (Belden 8281 or equivalent) is recommended for
all ASI connectors. Typical coaxial cable length is up to 140 meters
with good quality coaxial cable. Typical alternation of up to 18 dB at
270 MHz is permitted. The following cables, or an equivalent
computer grade cable incorporating twisted, shielded pairs, are
recommended for the RS-422 interface:
■
Belden type LV Computer M9768
■
Belden 8175
The Belden 8175 has a lower capacitance, however it has a larger
diameter and requires the selection of an appropriate connector shell.
The maximum cable length for the serial and parallel interfaces is
unknown. Typical lengths are less than 2 meters. The interface
operates to the specifications described in Table A-10.
ASI & RS-422 Data Interface
Table A-10 ASI & RS-422 Specifications
General Specifications
Data Framing Formats 188, 204 byte packets per ETS 300 421, and None.
Hot Pluggable
Do not Hotplug. Unit power must be turned off prior to removal or
insertion of the data interface.
ASI Specifications
Data Rate
1.5 to 100 Mbit/s ASI
Clock Rate Uncertainty Programmed data rate ± 100 ppm
Transport Clock ASI
The transport rate is 270 Mbit/s for all data rates
Impedance
75Ω
Return Loss
15 dB, frequencies, 5 to 270 MHz
Loop Functions
Loopback; LoopThru 1
Connectors
BNC female
Electrical Properties
Per TM 1449, 75Ω
Signal Types
Serial data
Voltage Level
800 mV ± 10% into 75Ω
ASI Data Loop 3 dB
Cutoff Frequency
2 Hz (refer to Note 2)
Jitter Tolerance
Meets ITU-T G.823 (3/93) and ITU-T G.824 (3/93) ( refer to Note 2)
Jitter Transfer
< 0.5 dB peaking up to cutoff frequency.
–20 dB per decade beyond cutoff. (refer to Note 2)
Cable Length, Typical
Rev. –
Rev. A (refer to note 2)
RS-422 Specifications
Data Rate
Clock Rate Uncertainty
Connectors
Electrical Properties
Signal Types
Voltage Level
RG59
50 m
100 m
Belden 8281
70 m
140 m
1.5 to 18 Mbit/s, serial RS-422
Programmed data rate ± 100 ppm
25-Pin D female per EIA-530
per EIA-422
SD, TT, ST, RD, RT, RS, RR, CS, DM, and MC
Data synchronization is detected by correlating the data stream
for the MPEG2 sync pattern per ETS 300 421.
4 ±2 V differential into 100Ω
Notes:
1 In loopback TX, data is routed through as much of the interface card as practicable before being
returned to the RX interface. In a modulator chassis, TX data continues to enter the modulator and is
TX during loopback.
2 Rev. A or later assemblies
85
DATA INTERFACES
86
Appendix A
User
Interfaces
The following paragraphs describe the electrical and physical
properties of the ASI and RS-422 data interface module.
Transmit Input Connectors, J3/J4, BNC, Female These two
connectors accept TX data from the terrestrial interface. By default, J3
is enabled and J4 is disabled. The active input is user programmable
and maintained in non-volatile memory of the modulator chassis.
Both connectors are terminated into 75Ω whether selected or not.
ASI Loopback Output Connectors, J6/J7, BNC, Female
Duplicate signals exit both of these connectors on the modulator when
Loopback mode is enabled. The input data is looped back to the
output data connectors and data continues into the modulator.
RS-422 Connector, J5, 25-pin D, Female This connector is
compatible with EIA-530 operation and pin-out. It is a serial interface
with RS-422 signals plus the TTL-OC fault signals indicating the status
of the modulator.
The connector is a 25-pin, female, D type, with threaded jack nuts
(refer to Table A-11 for connector pinout).
Notes:
1.
2.
RS-422 signal levels are as defined in EIA-422.
The differential sense of all signal pairs is a logic “1” when “A” is
negative with respect to “B.”
Single ended signals (MF and DF fault signals) are open collector
where:
Voh=12V max. and Vol=0.5V max. @ Iol=8 ma.
A pull-up resistor external to the equipment is required.
The fault signals, MF and DF, operate as follows: A fault is indicated
by an “OFF” collector (high) and OK status is indicated by an “ON”
collector (low).
ASI & RS-422 Data Interface
Table A-11 RS-422 Connector Pinout (Per EIA-530), J5
Pin #
Signal Function
Name
1
530 Shield
Shield
2
Transmit Data (TD-A)
BA-A
I
Modulator
3
Receive Data (RD-A)
BB-A
O
Demodulator
4
Request To Send (RS-A)
CA-A
I
Modulator
5
Clear To Send (CS-A)
CB-A
O
Modulator
6
DCE Ready (DM-A)
CC-A
O
Demodulator
7
Signal Ground
AB
GND
8
Receive Line Signal Detect (RR-A)
CF-A
O
Demodulator
9
Receive Timing (RT-B)
DD-B
O
Demodulator
10
Receive Line Signal Detect (RR-B)
CF-B
O
Demodulator
11
Terminal Timing (TT-B)
DA-B
I
Modulator
12
Send Timing (ST-B)
DB-B
O
Modulator
13
Clear To Send (CS-B)
CB-B
O
Modulator
14
Transmit Data (TD-B)
BA-B
I
Modulator
15
Send Timing (ST-A)
DB-A
O
Modulator
16
Receive Data (RD-B)
BB-B
O
Demodulator
17
Receive Timing (RT-A)
DD-A
O
Demodulator
18
Type
Comment
Mod/Demod
N/C
19
Request To Send (RS-B)
CA-B
I
Modulator
20
DTE Ready (MC-A)
CD-A
I
21
Demodulator Fault (DF)
DF
O
Demodulator
22
DCE Ready (DM-B)
CC-B
O
Demodulator
23
DTE Ready (MC-B)
CD-B
I
24
Terminal Timing (TT-A)
DA-A
I
Modulator
25
Modulator Fault (MF)
MF
O
Modulator
87
DATA INTERFACES
88
Appendix A
ASI & RS-422
Front Panel
Menus
When the ASI/RS-422 interface is selected only the commands that
apply to that specific interface (ASI or RS-422) are displayed.
TVRM75 MOD
VER: 4.1.4
UTILITY
INTERFACE
FUNCTION SELECT
UTILITY
INTERFACE TYPE
INTERFACE SELECT
TX INTERFACE
FIRMWARE
ASI/RS422
ASI
RS422
Press <ENTER> to show
current FW release date
MM/DD/YYYY
Press <CLEAR> to exit date
menu.
ASI LINK SELECT
INTERFACE LOOP
THRU
A-Link (J4)
B-Link (J3)
(ASI Interface Mode only)
ON
OFF
(ASI Interface Mode only)
CTS STATE
DM STATE
ST STATE
NORMAL
INVERT
(RS422 Interface only)
NORMAL
INVERT
(RS422 Interface only)
NORMAL
INVERT
(RS422 Interface only)
RTS TX-IF CNTRL
ON
OFF
(RS422 Interface only)
RTS STATE
NORMAL
INVERT
(RS422 Interface only)
Key:
ACCESS TO
SUBMENU
Figure A-7
CONDITIONAL OR
OPTION-DEPENDENT
Parameter Information
ASI/RS-422 Interface Menu
ASI & RS-422 Data Interface
Table A-12 ASI and RS-422 Interface Menu (refer to Figure A-7)
INTERFACE TYPE
Displays ASI/RS422 or UNKNOWN. This is a status window
only, and no changes can be made from this menu.
INTERFACE SELECT
Displays the mode type ASI or RS422 interface. Upon entry,
the current status of the mode type is displayed. Press [↑] or
[↓] to make the selection. Press [ENTER] to execute the
change.
TX INTF FIRMWARE
Press [ENTER] will show the FW Release date.
ASI LINK SELECT
(ASI Mode Only)
Displays the A-LINK (J4) or B-LINK (J3). Upon entry, the
current status of the mode type is displayed. Press [↑] or [↓] to
make the selection. Press [ENTER] to execute the change.
INTERFACE LOOP THRU
(ASI Mode Only)
Displays the Interface Loop thru selection of either ON or OFF.
Upon entry, the current status of the mode type is displayed.
Press [↑] or [↓] to make the selection. Press [ENTER] to
execute the change.
When On is selected, input data is looped to the output of the
terrestrial interface; data also continues into the modulator.
This mode is identical to the Interface Loopback function found
on the Configuration Interface menu, except that the front
panel yellow Test Mode LED is not illuminated.
Note: This option available only with VER 5.3.1 and later.
RTS TX-IF CNTRL
(RS422 Mode Only)
Displays the RTS selection of either ON or OFF. Upon entry,
the current status of the mode type is displayed. Press [↑] or
[↓] to make the selection. Press [ENTER] to execute the
change.
RTS STATE
(RS422 Mode Only)
Displays the RTS selection of either NORMAL or INVERT.
Upon entry, the current status of the mode type is displayed.
Press [↑] or [↓] to make the selection. Press [ENTER] to
execute the change.
CTS STATE
(RS422 Mode Only)
Displays the CTS selection of either NORMAL or INVERT.
Upon entry, the current status of the mode type is displayed.
Press [↑] or [↓] to make the selection. Press [ENTER] to
execute the change.
DM STATE
(RS422 Mode Only)
Displays the DM selection of either NORMAL or INVERT. Upon
entry, the current status of the mode type is displayed. Press
[↑] or [↓] to make the selection. Press [ENTER] to execute the
change.
ST STATE
(RS422 Mode Only)
Displays the ST selection of either NORMAL or INVERT. Upon
entry, the current status of the mode type is displayed. Press
[↑] or [↓] to make the selection. Press [ENTER] to execute the
change.
89
DATA INTERFACES
90
Appendix A
ASI and RS-422 Defaults Default settings for the ASI/RS-422
interface are listed in Table A-13.
Table A-13 ASI/RS-422 Defaults
Interface Defaults
ASI & RS-422
Remote
Commands
Interface Select
ASI
RTS TX-IF Control
Off
RTS State
Normal
CTS State
Normal
Data or Clock
Normal
Frame Format
188
The remote control commands listed in Table A-14 are displayed only
when the ASI/RS-422 interface module is installed.
Table A-14 ASI and RS-422 Remote Command
Interface
Select
Command
Command: <add/ISEL_xxxxx'cr'
Response: >add/ISEL_xxxxx'cr''lf']
Status:
Response
Where: xxxxx = ASI or RS422.
This command selects which interface
connector will be used for data.
<add/ISEL_'cr'
>add/ISEL_xxxxx'cr''lf']
ASI Link
Command: <add/ASI_x'cr'
(Input) Select Response: >add/ASI_x'cr'lf']
Command
Where x = 'A' (A-Input) or 'B' ( B-Input).
Status:
<add/ASI_'cr'
Response: >add/ASI_x'cr'lf']
RTS TX-IF
Command: <add/RTSM_xxx'cr'
Control Mode Response: >add/RTSM_xxx'cr''lf']
RTS State
Control
Status:
<add/RTSM_'cr'
Response: >add/RTSM_xxx'cr''lf']
Where: xxx = ON or OFF.
This command configures the modem for the
RTS TX-IF control mode. If "ON" is selected,
the TX-IF output will only be turned on if the
incoming RTS signal is asserted (also the
TX-IF output has to be programmed ON and
no major modulator faults are present). If
"OFF" is selected, the TX-IF output will
operate normal ignoring the RTS signal.
Command: <add/RTSS_xxx'cr'
Response: >add/RTSS_xxx'cr''lf']
Where: xxx = NRM (normal sense) or INV
(inverted sense).
Status:
<add/RTSS_'cr'
Response: >add/RTSS_xxx'cr''lf']
This command controls the logic sense of
the RTS signal.
ASI & RS-422 Data Interface
Table A-14 ASI and RS-422 Remote Command (continued)
CTS State
Control
DM State
Control
ST State
Control
Interface
Firmware
Information
Command: <add/CTSS_xxx'cr'
Response: >add/CTSS_xxx'cr''lf']
Where: xxx = NRM (normal sense) or INV
(inverted sense).
Status:
<add/CTSS_'cr'
Response: >add/CTSS_xxx'cr''lf']
This command controls the logic sense of
the CTS signal.
Command: <add/DMS_xxx'cr'
Response: >add/DMS_xxx'cr''lf']
Where: xxx = NRM (normal sense) or INV
(inverted sense)
Status:
<add/DMS_'cr'
Response: >add/DMS_xxx'cr''lf']
This command controls the logic sense of
the DM (DCE-ready) signal.
Command: <add/ST_xxx'cr'
Response: >add/ST_xxx'cr''lf']
Where: xxx = NRM (normal sense) or INV
(inverted sense)
Status:
<add/ST_'cr'
Response: >add/ST_xxx'cr''lf']
This command controls the logic sense of
the ST signal.
Command: <add/IFI_'cr'
Response: >add/IFI_'cr''lf']
Where: nnnnn = Firmware number (0 to
65535)
FW/nnnnn-drr’cr’
Mm/dd/yyyy’cr’’If’]
d = Firmware dash number (0 to 99)
rr = Firmware revision (- or A thru ZZ)
91
DATA INTERFACES
92
Appendix A
Table A-14 ASI and RS-422 Remote Command (continued)
CTS State
Control
DM State
Control
ST State
Control
Interface
Firmware
Information
Command: <add/CTSS_xxx'cr'
Response: >add/CTSS_xxx'cr''lf']
Where: xxx = NRM (normal sense) or INV
(inverted sense).
Status:
<add/CTSS_'cr'
Response: >add/CTSS_xxx'cr''lf']
This command controls the logic sense of
the CTS signal.
Command: <add/DMS_xxx'cr'
Response: >add/DMS_xxx'cr''lf']
Where: xxx = NRM (normal sense) or INV
(inverted sense)
Status:
<add/DMS_'cr'
Response: >add/DMS_xxx'cr''lf']
This command controls the logic sense of
the DM (DCE-ready) signal.
Command: <add/ST_xxx'cr'
Response: >add/ST_xxx'cr''lf']
Where: xxx = NRM (normal sense) or INV
(inverted sense)
Status:
<add/ST_'cr'
Response: >add/ST_xxx'cr''lf']
This command controls the logic sense of
the ST signal.
Command: <add/IFI_'cr'
Response: >add/IFI_'cr''lf']
Where: nnnnn = Firmware number (0 to
65535)
FW/nnnnn-drr’cr’
Mm/dd/yyyy’cr’’If’]
d = Firmware dash number (0 to 99)
rr = Firmware revision (- or A thru ZZ)
ASI & RS-422 Data Interface
Table A-14 ASI and RS-422 Remote Command (continued)
MCP
Command
Config.
Command: <add/MCP_'cr'
Response: >add/MCP_'cr'
ISEL_xxxxxx'cr'
Interface Select
ICLK_xxx'cr'
Interface Mode
TDVB_xxxx'cr'
DVB Framing Type
MF_nnn.nnnn'cr'
Modulator Frequency
MR_nnnn_mmm.mmmmmm'cr' Modulator Rate
MPO_snn.n'cr'
Modulator Power Offset
MOP_snn.n'cr'
Modulator Output Power
SE_xxx'cr
Scrambler Enable (ON/OFF)
'TCP_xxx'cr'
Transmit Clock Phase
TDP_xxxx'cr'
Transmit Data Phase
TDF_xxxx'cr'
Transmit Data Fault
ISP_xxx'cr'
Transmit 2047 Pattern Generator
SYNC_xxxx'cr'
Transmit Sync Select
MSR_xxx'cr'
Modulator Spectrum Rotation
MT_xxxx'cr'
Modulator Type
TXPU_xxxxx'cr'
Transmit IF Output Power-up Configuration
COM_xxxxxx'cr'
Carrier Only Mode
ASI_x'cr'
ASI Input
RTSM_xxxx'cr'
RTS Mode Control
RTSS_xxxx'cr'
RTS State Control
CTSS_xxxx'cr'
CTS State Control
DMS_xxxx'cr'
DM State Control
ST_xxxx'cr'
ST State Control
TCAA_xxxxx'cr'
TX Clock Activity Action
RF_xxx'cr''lf']
RF Output (ON/OFF)
The use of this command is dependent upon the type of interface module installed in the
modulator.
This command is used by the Tiernan M:N protection switch to collect information that is
necessary to configure back-up modulators. Because this command (content and/or
order) can be changed at any time by Tiernan, it is advisable that other commands
('MCS_' and 'ICS_', or 'BCS_') be used for M&C systems.
Note: Only displayed when RS-422 interface is installed.
93
DATA INTERFACES
94
Appendix A
Table A-14 ASI and RS-422 Remote Command (continued)
ICS
Command
Config.
Command: <add/ICS_'cr'
Response: >add/ICS_'cr'
TCP_xxx'cr'
TDP_xxxx'cr'
ISP_xxx'cr'
SYNC_xxxx'cr'
TDF_xxxx'cr'
TDVB_xxxx'cr'
INID_xxxxxxxxx'cr'
ISEL_xxxxxx'cr'
ICLK_xxx'cr'
ASI_x'cr'
RTSM_xxx'cr'
RTSS_xxx'cr'
CTSS_xxx'cr'
DMS_xxx'cr'
ST_xxx'cr
'TCAA_xxxxx'cr''lf']
BCS
Parameters
23 to 32.
23
Interface Select
(ref. "ISEL_" command).
p23 = n, where n = '0' (ASI), '1' (RS422).
24
RTS TX-IF Control Mode
(ref. "RTSM_" command).
p24 = n, where n = '0' (Off), '1' (On).
25
RTS State Control
(ref "RTSS_" command).
p25 = n, where n = '0' (Normal), '1' (Invert).
26
CTS State Control
(ref "CTSS_" command).
p26 = n, where n = '0' (Normal), '1' (Invert).
27
DM State Control
(ref "DMS_" command).
p27 = n, where n = '0' (Normal), '1' (Invert).
28
ST State Control
(ref "ST_" command).
p28 = n, where n = '0' (Normal), '1' (Invert).
29
ASI Input Control
(ref "ASI_" command).
P29 = n, where n = 'A' (A-Input), 'B' (B-Input).
30 to 32
Reserved.
Transmit Clock Phase
Transmit Data Phase
Transmit 2047 Pattern Generator
Transmit Sync Select
Transmit Data Fault
DVB Framing Type
Interface Identification
Interface Select
Interface Mode
ASI Input
RTS Mode Control
RTS State Control
CTS State Control
DM State Control
ST State Control
TX Clock Activity Action
Parameters 23 through 27 of the BCS command are displayed only when the ASI
interface module is installed.
General
Appendix B
Remote Control Operation
This appendix describes the remote control operation of the TVRM75.
General
■
Firmware number:
FW/5613-1P
FW/5613-2P
■
Software version:
5.3.1
Remote controls and status information are transferred via an RS-485
(optional RS-232) serial communications link. Commands and data
are transferred on the remote control communications link as
US ASCII-encoded character strings. The remote communications link
is operated in a half-duplex mode.
Communications on the remote link are initiated by a remote
controller or terminal. The modem never transmits data on the link
unless it is commanded to do so.
Some commands and status information are interface-type
dependent. Refer to Appendix A.
Message
Structure
The ASCII character format used requires 11 bits/character:
■
1 start bit
■
7 information bits
■
1 parity bit
■
2 stop bits
Messages on the remote link fall into the categories of commands and
responses. Commands are messages which are transmitted to a
satellite modem, while responses are messages returned by a satellite
modem in response to a command.
The general message structure is as follows:
■
Start Character
■
Device Address
■
Command/Response
■
End of Message Character
95
Remote Control Operation
96
Appendix B
Start
Character
A single character precedes all messages transmitted on the remote
link which flags the start of a message. This character is:
■
■
Device
Address
“<” for commands
“>” for responses
The device address is the address of the one satellite modulator which
is designated to receive a transmitted command, or which is
responding to a command.
Valid device addresses are 1 to 3 characters long, and in the range of 1
to 255. Address 0 is reserved as a global address which simultaneously
addresses all devices on a given communications link. Devices do not
acknowledge global commands. Each satellite modulator which is
connected to a common remote communications link must be
assigned its own unique address. Addresses are software selectable at
the modulator, and must be in the range of 1 to 255.
Command/
Response
The command/response portion of a message contains a variablelength character sequence of command and response data. If a satellite
modulator receives a message addressed to it which does not match
the established protocol or cannot be implemented, a negative
acknowledgment message is sent in response. This message is:
■
>add/?ER1_parity error'cr''lf']
(Error message for received parity errors.)
■
>add/?ER2_invalid parameter'cr''lf']
(Error message for a recognized command which cannot be
implemented or has parameters which are out of range.)
■
>add/?ER3_unrecognizable command'cr''lf']
(Error message for a recognized command which cannot be
implemented or has parameters which are out of range.)
■
>add/?ER4_modem in local mode'cr''lf']
(Modem in local error; send the REM command to go to remote
mode.)
■
>add/?ER5_hard coded parameter'cr''lf']
(Error message indicating that the parameter is hardware
dependent and may not be changed remotely.)
Note: “add” is used to indicate a valid 1 to 3 character device address
in the range between 1 and 255.
Configuration Commands/Responses
End
Character
Each message is ended with a single character which signals the end
of the message:
■
“cr”
Carriage return character for commands
■
“lf”
Line feed
■
“]”
End bracket for responses
Configuration
Commands/
Responses
Table B-1 Modulator Commands and Responses
Modulator
Frequency
Command: <add/MF_nnn.nnnn'cr'
Response: >add/MF_nnn.nnnn'cr'
RF_OFF'cr''lf']
Status:
Response:
<add/MF_'cr'
>add/MF_nnn.nnnn'cr''lf']
RF Output (IF Command: <add/RF_xxx'cr'
Output)
Response: >add/RF_xxx'cr''lf']
Modulator
Rate
Assignment
Symbol Rate
Assignment
Status:
Response:
Command:
Response:
Where: nnn.nnnn = Frequency in MHz,
50.0000 to 180.0000 in 2.5 kHz steps.
Note: When the modulator frequency is
programmed the RF output is switched
off.
Where: xxx = ON or OFF.
<add/RF_'cr'
>add/RF_xxx'cr''lf']
<add/AMRV_nnnnn_mmm.mmmmmm'cr'
Where:
>add/AMRV_nnnnn_mmm.mmmmmm'cr''lf'] nnnnn = 1/2 (QPSK 1/2) [Code rate]
3/4 (QPSK 3/4)
Status:
<add/AMRV_'cr'
7/8 (QPSK 7/8)
Response: >add/AMRV_nnnnn_mmm.mmmmmm'cr''lf']
5/6 (QPSK 5/6)
2/3 (QPSK 2/3)
8P23 (8PSK 2/3)
8P56 (8PSK 5/6)
8P89 (8PSK 8/9)
mmm.mmmmmm = Data rate in Mbps.
Command: <add/ASR_nnnnn_mm.mmmmmm'cr'
Where:
Response: >add/ASR_nnnnn_mm.mmmmmm'cr''lf']
nnnnn = 1/2 (QPSK 1/2) [Code rate]
3/4 (QPSK 3/4)
Status:
<add/ASR_'cr'
7/8 (QPSK 7/8)
Response: >add/ASR_nnnnn_mm.mmmmmm'cr''lf']
5/6 (QPSK 5/6)
2/3 (QPSK 2/3)
8P23 (8PSK 2/3)
8P56 (8PSK 5/6)
8P89 (8PSK 8/9)
mm.mmmmmm = Symbol rate in MS/s.
97
Remote Control Operation
98
Appendix B
Table B-1 Modulator Commands and Responses (continued)
Set Modulator Command: <add/MOP_snn.n'cr'
Output Power Response: >add/MOP_snn.n'cr''lf']
Level
Status:
<add/MOP_'cr'
Response: >add/MOP_snn.n'cr''lf']
Scrambler
Command: <add/SE_xxx'cr'
Enable
Response: >add/SE_xxx'cr''lf']
(refer to note)
Status:
<add/SE_'cr'
Response: >add/SE_xxx'cr''lf']
Modulator
Command: <add/MSR_xxx'cr'
Spectrum
Response: >add/MSR_xxx'cr''lf']
Rotation
Status:
<add/MSR_'cr'
Response: >add/MSR_xxx'cr''lf']
Carrier Only
Command: <add/COM_xxxxxx'cr'
Mode
Response: >add/COM_xxxxxx'cr''lf']
Where: snn.n = -20.0 to +5.0 in 0.1
steps (nominal range in dBm).
Where: xxx = ON or OFF.
Where: xxx = NRM (normal spectrum)
or INV (inverted spectrum).
Where: xxxxxx = OFF, DUAL, OFFSET,
or CENTER.
Status:
Response:
Transmit IF
Command:
Output Power- Response:
up Condition
Status:
Response:
Set Modulator Command:
Power Offset Response:
<add/COM_xxxxxx'cr'
>add/COM_xxxxxx'cr''lf']
<add/TXPU_xxxx'cr'
>add/TXPU_xxxx'cr''lf']
Where: xxxx = LAST (last known state)
or OFF (OFF).
<add/TXPU_xxxx'cr'
>add/TXPU_xxxx'cr''lf']
<add/MPO_snn.n'cr'
>add/MPO_snn.n'cr''lf']
This command selects the state that the
TX-IF Output will be at power up.
Where: snn.n = +40.0 to -40.0 in 0.1dB
increments.
Status:
Response:
Command:
Response:
<add/MPO_'cr'
>add/MPO_snn.n'cr''lf']
<add/MT_xxxx’cr’
>add/MT_xxxx’cr’lf’]
Note: The modulator power offset is
added to the nominal power level.
Where: xxxx = DVB1 or DVB2.
Status:
Response:
<add/MT_xxxx’cr’
>add/MT_xxxx’cr’lf’]
Modulator
Type
Note: The Scrambler function is related to Energy Dispersal and has no association with
conditional access scrambling. To avoid any confusion, Scrambler is referred to as Energy
Dispersal on newer versions of the TVRM75.
Configuration Commands/Responses
Table B-2 Interface Commands and Responses
Transmit Clock Command:
Phase
Response:
<add/TCP_xxx'cr'
>add/TCP_xxx'cr''lf']
Status:
Response:
<add/TCP_'cr'
>add/TCP_xxx'cr''lf']
Transmit Data Command:
Phase
Response:
<add/TDP_xxx'cr'
>add/TDP_xxx'cr''lf']
Status:
Response:
<add/TDP_'cr'
>add/TDP_xxx'cr''lf']
Command:
Response:
<add/ISP_xxx'cr'
>add/ISP_xxx'cr''lf']
Status:
Response:
<add/ISP_'cr'
>add/ISP_xxx'cr''lf']
Command:
Response:
<add/SYNC_xxxx'cr'
>add/SYNC_xxxx'cr''lf']
Status:
Response:
<add/SYNC_'cr'
>add/SYNC_xxxx'cr''lf']
Interface
Substitution
Pattern
DVB Sync
Selection
Where: xxx = NRM (normal clock phasing) or
INV (inverted clock phasing).
Where: xxx = NRM (normal data phasing) or
INV (inverted data phasing).
Where: xxx = ON or OFF.
Note: Transmit 2047 Pattern.
Transmit Data Command:
Fault
Response:
<add/TDF_xxxx'cr'
>add/TDF_xxxx'cr''lf']
Status:
Response:
<add/TDF_'cr'
>add/TDF_xxxx'cr''lf']
Where: xxxx = EXT (sync pulse), DATA (data
sync byte), or AUTO.
Where: xxxx = NONE, DATA, or AIS.
DVB Framing Command:
Type
Response:
<add/TDVB_xxxx'cr'
>add/TDVB_xxxx'cr''lf']
Status:
Response:
<add/TDVB_'cr'
>add/TDVB_xxxx'cr''lf']
Status:
Response:
<add/INID_'cr'
>add/INID_xxxxxxx'cr''lf']
Where: xxxxxxx = RS-422, ASI RS422, or
UNKNOWN.
Interface Mode Command:
Config
Response:
<add/ICLK_xxx'cr'
>add/ICLK_xxx'cr''lf']
Where: xxx = SER (Serial mode, CLK = Data
rate) or PAR (Parallel mode CLK = Data rate/8).
Status:
Response:
<add/ICLK_'cr'
>add/ICLK_xxx'cr''lf']
Interface
Identification
TX Clock
Command:
Activity Action Response:
<add/TCAA_xxxxx'cr'
>add/TCAA_xxxxx'cr''lf']
Status:
Response:
<add/TCAA_'cr'
>add/TCAA_xxxxx'cr''lf']
Where: xxxx = 188, 204, or NONE.
Where: xxxxx = ALARM or FAULT.
99
Remote Control Operation
100
Appendix B
Table B-3 System Commands and Responses
Time Of
Day
Command: <add/TIME_hh:mmxx'cr'
Response: >add/TIME_hh:mmxx'cr''lf']
Status:
<add/TIME_'cr'
Response: >add/TIME_hh:mmxx'cr''lf']
Where:
hh = 1 to 12 (hours).
mm = 00 to 59 (minutes).
xx = AM or PM.
Date
Command: <add/DATE_mm/dd/yyyy'cr' Where:
Response: >add/DATE_mm/dd/yyyy'cr''lf'] mm = 1 to 12 (month).
dd = 1 to 31 (day).
Status:
<add/DATE_'cr'
yy = 00 to 99 (year) in two-digit mode
Response: >add/DATE_mm/dd/yyyy'cr''lf'] yyyy = 1975 to 1999, and 2000 to 2075 in
four-digit mode.
Remote
Command: <add/REM_'cr'
Response: >add/REM_'cr''lf']
Configures the Modem for remote operation.
The modulator will respond to any status
request at any time. However, the modulator
must be in 'Remote Mode' to change
configuration parameters.
Clear
Stored
Faults
Command: <add/CLSF_'cr'
Response: >add/CLSF_'cr''lf']
This command is used to clear all stored
faults logged by the modulator.
Save Mod
Config
Command: <add/SMC_nn'cr'
Response: >add/SMC_nn'cr''lf']
Where: n = 1, 2, 3, ..., 10 (stored
configuration number).
This command saves the current mod
configuration for recall at a later time using
the 'RMC_' command. Up to ten different
mod configurations can be saved.
Recall Mod Command: <add/RMC_nn'cr'
Config
Response: >add/RMC_nn'cr''lf']
Where: n = 1, 2, 3, ..., 10 (stored
configuration number).
This command causes the mod to be
reprogrammed with configuration parameters
previously saved using the 'SMC_'
command. One of ten saved configurations
can be specified.
Alarm
Command: <add/ARLY_xxx'cr'
Relay State Response: >add/ARLY_xxx'cr''lf']
<add/ARLY_'cr'
Status:
Response: >add/ARLY_xxx'cr''lf']
Where: xxx = NRM (normal sense) or INV
(inverted sense).
This command controls the logic sense of the
Mod alarm relay (NC and NO contacts).
Configuration Commands/Responses
Table B-4 Configuration Status Commands and Responses
Modulator
Rate
Command: <add/MR_'cr'
Where:
Response: >add/
nnnnn =1/2 (QPSK 1/2) [Coder rate]
MR_nnnnn_mmm.mmmmmm'cr''lf'] 3/4 (QPSK 3/4)
7/8 (QPSK 7/8)
5/6 (QPSK 5/6)
2/3 (QPSK 2/3)
8P23 (8PSK 2/3)
8P56 (8PSK 5/6)
8P89 (8PSK 8/9)
mmm.mmmmmm = Data rate in MHz.
Modulator
Command: <add/MCS_'cr'
Config Status Response: >add/MCS_'cr'
RF_xxx'cr'
MF_nnn.nnnn'cr'
MR_nnnn_mmm.mmmmmm'cr'
AMRA_nnnn_mmm.mmmmmm'cr'
AMRV_nnnn_mmm.mmmmmm'cr'
MPO_snn.n'cr'
MOP_snn.n'cr'
SE_xxx'cr'
COM_xxxxxx'cr'
MSR_xxx'cr'
MT_xxxx’cr’
TXPU_xxxxx'cr''lf']
RF Output (ON/OFF)
Modulator Frequency
Modulator Rate
Modulator Rate
Modulator Rate
Modulator Power Offset
Modulator Output Power
Scrambler Enable (ON/OFF)
Carrier Only Mode
Modulator Spectrum Rotation
Modulator Type
Transmit IF Output Power-up Configuration
The Modulator configuration status command causes a block of data to be returned by the
addressed mod. The block of data reflects the current configuration status of the modulator
module. Additional configuration status of new options and features will always be appended
to the end.
101
Remote Control Operation
102
Appendix B
Table B-4 Configuration Status Commands and Responses (continued)
Modulator/
Coder Config
Program
Status
Command: <add/MCP_'cr'
Response: >add/MCP_'cr'
ISEL_xxxxxx'cr' (see Note)
ICLK_xxx'cr'
TDVB_xxxx'cr'
MF_nnn.nnnn'cr'
MR_nnnn_mmm.mmmmmm'cr'
MPO_snn.n'cr'
MOP_snn.n'cr'
SE_xxx'cr'
TCP_xxx'cr'
TDP_xxxx'cr'
TDF_xxxx'cr'
ISP_xxx'cr'
SYNC_xxxx'cr'
MSR_xxx'cr'
MT_xxxx’cr’
TXPU_xxxxx'cr'
COM_xxxxxx'cr'
RTSM_xxx'cr'
RTSS_xxx'cr'
CTSS_xxx'cr'
DMS_xxx'cr'
RF_xxx'cr''lf']
Interface Select
Interface Mode
DVB Framing Type
Modulator Frequency
Modulator Rate
Modulator Power Offset
Modulator Output Power
Scrambler Enable (ON/OFF)
Transmit Clock Phase
Transmit Data Phase
Transmit Data Fault
Transmit 2047 Pattern Generator
Transmit Sync Select
Modulator Spectrum Rotation
Modulation Type
Transmit IF Output Power-up Configuration
Carrier Only Mode
RTS Mode Control
RTS State Control
CTS State Control
DM State Control
RF Output (ON/OFF)
This command is used by the Tiernan M:N protection switch to collect information that is
necessary to configure back-up mods. Because this command (content and/or order) can be
changed at any time by Tiernan, it is advisable that other commands ('MCS_' and 'ICS_', or
'BCS_') be used for M&C systems.
Note: Only displayed when RS-422 interface is installed.
Configuration Commands/Responses
Table B-4 Configuration Status Commands and Responses (continued)
Interface
Command: <add/ICS_'cr'
Config Status Response: >add/ICS_'cr'
TCP_xxx'cr'
TDP_xxxx'cr'
ISP_xxx'cr'
SYNC_xxxx'cr'
TDF_xxxx'cr'
TDVB_xxxx'cr'
INID_xxxxxxx'cr'
ISEL_xxxxxx'cr'
ASI_x’cr’
ICLK_xxx'cr'
RTSM_xxxx'cr'
RTSS_xxxx'cr'
CTSS_xxxx'cr'
DMS_xxxx'cr'
STS_xxx’cr’
Modem Faults Command: <add/MFS_'cr'
Status
Response: >add/MFS_'cr'
(Summary)
MOD_xxx'cr'
ITX_xxx'cr'
CEQ_xxx'cr''lf']
Modulator
Status
Command: <add/MS_'cr'
Response: >add/MS_'cr'
RF_xxx'cr'
MOD_xxx'cr'
SYN_xxx'cr'
DCS_xxx'cr'
ICH_xxx'cr'
QCH_xxx'cr'
AGC_xxx'cr'
IF_xxx'cr'
CONF_xxx'cr'
SFLT_xx'cr''lf']
Transmit Clock Phase
Transmit Data Phase
Transmit 2047 Pattern Generator
Transmit Sync Select
Transmit Data Fault
DVB Framing Type
Interface Identification
Interface Select (Dependent on ASI/RS422
INTF )
ASI Input (Dependent on ASI/RS422 INTF )
Interface Mode (Dependent on ASI/RS422
INTF )
RTS Mode Control (Dependent on ASI/
RS422 INTF )
RTS State Control (Dependent on ASI/
RS422 INTF )
CTS State Control (Dependent on ASI/
RS422 INTF )
DM State Control (Dependent on ASI/RS422
INTF )
ST State Control (Dependent on ASI/RS422
INTF )
Modulator (FLT/OK)
Interface Transmit Side (FLT/OK)
Common Equipment (FLT/OK)
RF Output (ON/OFF) Actual Status Not
Config
Module (OK/FLT)
IF Synthesizer (OK/FLT)
Data Clock Synthesizer (OK/FLT)
I Channel (OK/FLT)
Q Channel (OK/FLT)
AGC Level (OK/FLT)
IF Module fault (OK/FLT)
Configuration Fault (OK/FLT)
Number of Stored Faults Logged (0 to 10)
103
Remote Control Operation
104
Appendix B
Table B-4 Configuration Status Commands and Responses (continued)
Interface
Status
Common
Equipment
Status
Command: <add/ITXS_'cr'
Response: >add/ITXS_'cr'
FSYN_xxx'cr'
TXD_xxx'cr'
PLL_xxx'cr'
CLK_xxx'cr'
FIFO_xxx'cr'
INT_xxx'cr'
DF_xxx’cr’
VSYN_xxx’cr”IF’
SFLT_xx'cr''lf']
Frame Sync Lock (OK/FLT)
Transmit Data (OK/FLT)
Transmit Synthesizer PLL Lock (OK/FLT)
Transmit Clock Activity (OK/FL)
Transmit FIFO (OK/FLT)
Interface Module (OK/FLT)
Data Format (OK/FLT)
Video Frame Sync (OK/FLT)
Number of Stored Faults Logged (0 to 10)
Command: <add/CES_'cr'
Response: >add/CES_'cr'
M&C_xxx'cr'
BAT_xxx'cr'
+5_xxx'cr'
+12_xxx'cr'
-12_xxx'cr'
MODE_xxxxxx'cr'
SFLT_xx'cr''lf']
Monitor & Control Module (OK/FLT)
Battery/Clock (OK/FLT)
+5V Power Supply (OK/FLT)
+12V Power Supply (OK/FLT)
-12V Power Supply (OK/FLT)
Mode (LOCAL or REMOTE)
Number of Stored Faults Logged (0 to 10)
The common equipment status command causes a block of data to be returned which
indicates the status of the common equipment.
Bulk Consol
Status
Command: <add/BCS_'cr'
Response: >add/BCS_p1,p2,p3, . . . pn'cr''lf']
This bulk consol status command causes bulk mod status to be returned. To reduce the length
of the response, message parameter data are returned without identifiers. However,
parameter identification can be determined by order of return.
Each status parameter is terminated with a ',' (comma) except for the last parameter which
has the standard message termination sequence ('cr''lf']). Most of the data returned is
formatted the same way as the single command status request (refer to the appropriate
portions of this document in preceding sections). Additional configuration status of new
options and features will always be appended to the end.
Parameter Parameter Name
(Command Reference)
Number
Description
1
MODEM REMOTE/LOCAL mode. p1 = n, where 'n' is '0' (LOCAL) or '1'
(REMOTE).
2
Modulator RF output
(ref. 'RF_' command).
p2 = n, where 'n' is '0' (off) or '1' (on).
3
Modulator IF frequency
(ref. 'MF_' command).
p3 = nnn.nnnn, IF frequency in MHz.
4
Modulator rate
(ref. 'MR_' command).
p4 = nnnn_mmm.mmmmmm, code rate/data
rate in Mbps.
5
Modulator rate
(ref. 'ASR_' command).
p5 = nnnn_mm.mmmmmm, code rate/
symbol rate in Msps.
Configuration Commands/Responses
Table B-4 Configuration Status Commands and Responses (continued)
Bulk Consol
Status
(continued)
Parameter Parameter Name
(Command Reference)
Number
Description
6
Modulator power offset
(ref. 'MPO_' command).
p6 = snn.n, transmitter output power level in
dBm.
7
Modulator output power level
(ref. 'MOP_' command).
p7 = snn.n, transmitter power offset in dBm.
8
Scrambler enable
(ref. 'SE_' command).
p8 = n, where 'n' is '0' (off) or '1' (on).
9
Transmit TX Output Power-up
Configuration
(ref. 'TXPU_' command).
p9 = n, where 'n' is '0' (last) or '1' (off).
10
Carrier only mode
(ref. 'COM_' command).
p10 = n, where 'n' is '0' (Off), '1' (Dual),' 2'
(Offset), or '3' (Center).
11
Modulator Type
(ref. “MT_” command).
p11 = n, where ‘n’ = ‘0’ (DVB-1) or ‘1’
(DVB-2)
12
Transmit clock phase
(ref. 'TCP_' command).
p12 = n, where 'n' is '0' (NRM), '1' (INV),
or '2'.
13
Transmit data phase
(ref. 'TDP_' command).
p13 = n, where 'n' is '0' (NRM) or '1' (INV).
14
Transmit data phase
(ref. 'TDF_' command).
p14 = n, where 'n' is '0' (None), '1' (Data
stable), or '2' (AIS).
15
Transmit 2047 pattern generator p15 = n, where 'n' is '0' (off) or '1' (on).
(ref. 'ISP_' command).
16
Transmit clock phase
(ref. 'SYNC_' command).
p16 = n, where 'n' is '0' (EXT), '1' (DATA), or
'2' (AUTO).
17
DVB Framing Type
(ref. 'TDVB_' command).
p17 = n, where n = '1' (188), '2' (187), or '3'
(NONE).
18
Modulator Spectrum Rotation
(ref. 'MSR_' command).
p18 = n, where 'n' is '0' (NRM) or '1' (INV).
19
Reserved.
20
Reserved.
105
Remote Control Operation
106
Appendix B
Table B-4 Configuration Status Commands and Responses (continued)
Bulk Consol
Status
(continued)
Parameter Parameter Name
(Command Reference)
Number
Description
21
Interface ID
(ref. 'INID_' command).
p21 = 'xxxxxxx', where xxxxxxx = Interface
type.
22
Interface clock Mode
(ref. 'ICLK_' command).
p22 = n, where n = '0' (Serial) or '1'
(Parallel).
23 to 32
Interface specific
33
TX Clock Activity Action
(ref. “TCAA”command).
p33 = n, where n = ‘0’ (Fault), ‘1’ (Alarm).
Note: Parameters 23 through 27 of the BCS command are displayed for a specific installed
interface card such as an RS-422 or ASI/RS-422.
Bulk Consol.
Status Faults
Command: <add/BCSF_'cr'
Response: >add/
BCSF_abcdefghijklmnop'cr''lf']
This command causes all mod fault status to
be returned. To reduce the length of the
response, fault status is embedded into the
bit structure of the characters that are
returned. Faults are indicated by a binary 1
in the designated bit position. Additional fault
status of new options and features will be
appended to the end or use existing
reserved bits.
Character 'a': Modulator fault status
character 1.
Bit 6 = 1 always.
Bit 5 = Modulator module fault.
Bit 4 = RF output status, actual not
programmed status
(1 = on, 0 = off).
Bit 3 through Bit 0 = Binary representation (0
to 10) of the number of modulator stored
faults.
Character 'b': Modulator fault status
character 2.
Bit 6 = 1 always.
Bit 5 = IF Synthesizer.
Bit 4 = Data Clock Synthesizer.
Bit 3 = I Channel.
Bit 2 = Q Channel.
Bit 1 = AGC Level.
Bit 0 = Configuration.
Character 'c': Modulator fault status
character 3.
Bit 6 = 1 always.
Bit 5 = IF module.
Bit 4 through Bit 0 reserved.
Configuration Commands/Responses
Table B-4 Configuration Status Commands and Responses (continued)
Bulk Consol.
Status Faults
(continued)
Character 'd': Interface transmit side faults
character 1.
Bit 6 = 1 always.
Bit 5 = reserved.
Bit 4 = reserved.
Bit 3 through Bit 0 = Binary representation (0
to 10) of the number of interface transmit
side stored faults.
Character 'e': Interface transmit side faults
character 2.
Bit 6 = 1 always.
Bit 5 = Frame Sync Lock.
Bit 4 = Transmit Data Valid.
Bit 3 = Transmit Clock Activity.
Bit 2 = Transmit Synthesizer PLL Lock.
Bit 1 = Transmit FIFO.
Bit 0 = Interface module fault
Character 'f': Interface transmit side faults
character 3.
Bit 6 = 1 always.
Bit 5 through Bit 0 reserved.
Character 'g': Common equipment fault
status character 1.
Bit 6 = 1 always.
Bit 5 = reserved.
Bit 4 through Bit 0 = Binary representation (0
to 10) of the number of common equipment
stored faults.
Character 'h': Common equipment fault
status character 2.
Bit 6 = 1 always.
Bit 5 = Battery/Clock.
Bit 4 = +5V power supply.
Bit 3 = +12V power supply.
Bit 2 = -12V power supply.
Bit 1 = Monitor & Control Module.
Bit 0 = reserved.
Change Status Command: <add/CS_'cr'
Response: >add/CS_x'cr''lf']
Where 'x' =
'@' = NO change since last BCS_ and
BCSF_ polls.
'A' = BCS_ response has changed since last
BCS_ poll.
'B' = BCSF_ response has changed since
last BCSF_ poll.
'C' = Both responses have changed since
last BCS_ and BCSF_ polls.
This command indicates that a change has or has not occurred on either the BCS_ or the
BCSF_ response since the last BCS_ or BCSF_ poll.
107
Remote Control Operation
108
Appendix B
Table B-4 Configuration Status Commands and Responses (continued)
Equipment
Type
Command: <add/ET_'cr'
Response: >add/ET_tttttttt_xxx.yyy.zzz'cr''lf']
Where:
tttttttt = Equipment type.
xxx.yyy.zzz = Software version.
This command returns the equipment type
and the software version of the addressed
device.
Monitor &
Control
Firmware
Information
Command: <add/MCFI_'cr'
Response: >add/MCFI_'cr'
VER_xxx.yyy.zzz'cr'
FW/nnnnnn-ddr'cr'
mm/dd/yyyy'cr''lf']
Where:
xxx.yyy.zzz = Software version number
(0.0.0 to 999.999.999).
nnnnnn = Firmware number (0 to 999999).
dd = Firmware dash number (0 to 99).
r = Firmware revision (-, or A to Z).
Boot Firmware Command: <add/BFI_’cr’
Information
Response: >add/BFI_’cr’
Ver:_xxx_yyy.zzz’cr’
FW/nnnnnn-ddr'cr'
mm/dd/yyyy'cr''lf']
Where:
xxx.yyy.zzz = Software version number
(0.0.0 to 999.999.999).
nnnnnn = Firmware number (0 to 999999).
dd = Firmware dash number (0 to 99).
r = Firmware revision (-, or A to Z).
Interface
Firmware
Information
Command: <add/IFI_’cr’
Response: >add/IFI_’cr’
Ver:_xxx_yyy.zzz’cr’
FW/nnnnnn-ddr'cr'
mm/dd/yyyy'cr''lf']
Where:
nnnnn = Firmware number (0 to 65535)
d = Firmware dash number (0 to 99)
rr = Firmware revision (-, or A to ZZ)
Encoder
Firmware
Information
(EFI)
Command: <add/EFI_’cr’
Response: >add/EFI_’cr’
FW/nnnnn-drr’cr’
Mm/dd/yyyy’cr’lf’]
Where:
nnnnn = Firmware number (0 to 65535)
d = Firmware dash number (0 to 99)
rr = Firmware revision (-, or A to ZZ)
Reed-Solomon Command: <add/RSFI_’cr’
Firmware
Response: >add/RSFI_’cr’
Information
FW/nnnnn-drr’cr’
(RSFI)
Mm/dd/yyyy’cr’’lf’]
Where:
nnnnn = Firmware number (0 to 65535)
d = Firmware dash number (0 to 99)
rr = Firmware revision (-, or A to ZZ)
Interface
Command: <add/IFI_’cr’
Firmware
Response: >add/IFI_’cr’
Information
FW/nnnnn-drr’cr’
(As Required))
mm/dd/yyyy’cr’’lf’]
Where:
nnnnn = Firmware number (0 to 65535)
d = Firmware dash number (0 to 99)
rr = Firmware revision (-, or A to ZZ)
Modem
Options/
Misc.
Information
Where:
s = 0 (Not Installed, Not Upgradable),
- = (Not Installed, FAST Upgradable),
+ = (Installed).
Command: <add/MOI_'cr'
Response: >add/MOI_'cr'
s,OEM_LCD'cr'
s,16QAM'cr'
s,8PSK'cr'‘lf’]
(- or +) OEM LCD option
(- or +) 16QAM Code Rate option
(- or +) 8PSK Code Rate option
Stored Faults
Stored Faults
Information on stored faults is returned when requested. If no stored
fault exists for a given fault number, the words “NO Fault” will be
returned instead of the normal time/date status information. The
following symbols are commonly used to define the stored faults
status commands:
■
#
Fault number (0 to 9). “0” is the first fault stored
■
hh
Hours in 24-hr. format
■
mm
Minutes
■
ss
Seconds
■
MM
Month
■
DD
Day
■
YY or YYYY Year
Table B-5 Stored Faults Commands And Responses
Modulator
Command: <add/MSF_#'cr'
Stored Faults
>add/MSF_# hh:mm:ssMM/DD/YY'cr'
Response: MOD_xxx'cr'
SYN_xxx'cr'
DCS_xxx'cr'
ICH_xxx'cr'
QCH_xxx'cr'
AGC_xxx'cr'
IF_xxx'cr'
CONF_xxx'cr''lf']
Module (OK/FLT)
IF Synthesizer (OK/FLT)
Data Clock Synthesizer (OK/FLT)
I Channel (OK/FLT)
Q Channel (OK/FLT)
AGC Level (OK/FLT)
IF Module Fault (OK/FLT)
Configuration (OK/FLT)
Interface
Command: <add/ITSF_#'cr'
Transmit Side
>add/ITSF_# hh:mm:ssMM/DD/YY'cr'
Stored Faults Response:
FSYN_xxx'cr'
TXD_xxx'cr'
PLL_xxx'cr'
CLK_xxx'cr'
FIFO_xxx'cr'
INT_xxx'cr''lf']
DF_xxx’cr’’If’
VSYN_xxx’cr’’If’
Frame Sync Lock (OK/FLT)
Transmit Data (OK/FLT)
Transmit Synthesizer PLL Lock (OK/FLT)
Transmit Clock Activity (OK/FL)
Transmit FIFO (OK/FLT)
Interface Module (OK/FLT)
Data Format (OK/FLT)
Video Sync (OK/FLT)
Common
Command: <add/CSF_#'cr'
Equipment
>add/CSF_# hh:mm:ss MM/DD/YY'cr'
Stored Faults Response:
M&C_xxx'cr'
BAT_xxx'cr'
+5_xxx'cr'
+12_xxx'cr'
-12_xxx'cr''lf']
Monitor & Control Module (OK/FLT)
Battery/Clock (OK/FLT)
+5V Power Supply (OK/FLT)
+12V Power Supply (OK/FLT)
-12V Power Supply (OK/FLT)
109
Remote Control Operation
110
Appendix B
Purpose
Appendix C
111
Restoring TVRM75 Factory Defaults
This document supports all released versions.This document is
applicable when the TVRM-75 Modulator Firmware is upgraded or
when the operator initiates a hard reset from the front panel.
Purpose
Due to the numerous transport stream output formats available on the
Tiernan DVB Encoders, there are several default configurations for the
TVRM-75 DVB Modulator. When the Encoder is configured with the
default configuration, the Modulator must be configured with the
appropriate default configuration so that the Modulator will operate
properly with the Encoder. The default configuration is designed to
optimize the Modulators performance and minimize configuration
conflicts between the Encoder and the Modulator.
When the operator initiates a hard reset or when the firmware has
been upgraded, the Modulator will reload its internal hardware
defaults upon power-up. The Modulator must then be reconfigured
with the appropriate Factory Default Configuration.
Restoring TVRM75 Factory Defaults
112
Appendix C
Factory
Default for
ASI Data Input
Table C-1 presents the Factory Default Configuration for the TVRM-75
when used in an application where a Tiernan Encoder is sending an
ASI transport stream to the Modulators ASI input.
For this application, configure the modulator with the default
parameters shown in bold.
Table C-1 Factory Default Configuration for ASI Data Input
TOP MENU
SUB MENU
PARAMETER
VALUE
CONFIGURATION
MODULATOR
TX-DR QPSK 5/6
8.448000Mbps
TX-SR QPSK 5/6
5.500187Msps
TX-IF FREQUENCY
70.000000MHz
TX-OUTPUT
ON
TX-POWER LEVEL
-10dBm
SCRAMBLER
ON
CARRIER MODE
NORMAL
TX CLOCK PHASE
NORMAL
TX DATA PHASE
NORMAL
2047 PATTERN
OFF
TX SYNC SELECT
CORR ON DATA
TX DATA FAULT
NONE
TX CLK ACTIVITY
ALARM
DVB FRAMING TYPE
188
SAVE
CONFIGURATION
1 - 10
RECALL
CONFIGURATION
1 - 10
MODULATOR
-------------------------------
TX INTERFACE
-------------------------------
INTERFACE
FAULTS/ALARMS
Factory Default for ASI Data Input
Table C-1 Factory Default Configuration for ASI Data Input
COMMON
-------------------------------
MODULATOR
NO FAULT
TX INTERFACE
NO FAULT
COMMON
NO FAULT
STORED
FAULTS/ALARMS
CLEAR???
UTILITY
MODULATOR
INTERFACE
SYSTEM
MOD POWER OFFSET
0.0dB
MOD SPECTRUM
NORMAL
POWER UP TX-IF
LAST KNOWN
MODULATOR TYPE
DVB-2
INTERFACE TYPE
ASI/RS-422
INTERFACE SELECT
ASI
ASI LINK SELECT
B-LINK (J3)
TIME/DATE
SET CURRENT TIME
SET CURRENT DATE
REMOTE BAUD RATE
19200 NONE
REMOTE ADDRESS
1
REMOTE TYPE
RS-232
TEST MODE STATUS
------
LAMP TEST
PRESS ENTER TO TEST
DISPLAY CONTRAST
64
113
Restoring TVRM75 Factory Defaults
114
Appendix C
Table C-1 Factory Default Configuration for ASI Data Input
MOD OPTIONS
M&C MODULE FW
FW/5613-1H
MASTER RESET
HARD/SOFT
ALARM RELAY1
NORMAL
REV EMULATION
CURRENT VERSION
MOD OPTIONS
--+
MOD SERIAL #
XXXXXXX
CONFIGURATION
CODE - MOD
FACTORY SETUP
NOT APPLICABLE
1 - Menu not available prior to firmware version 4.1.4
Note: a no fault condition is indicated by a - sign and a fault condition is indicated by a + sign.
Save the factory default configuration, cycle power to the unit, and
verify that the factory default settings are displayed after power-up.
Factory Default for Serial RS422 Data Input
Factory
Default for
Serial RS422
Data Input
Table C-2 presents the Factory Default Configuration for the TVRM-75
when used in an application where a Tiernan Encoder is sending a
serial RS422 transport stream to the Modulators serial RS422 Data
input.
For this application, configure the modulator with the default
parameters shown in bold.
Table C-2 Factory Default Configuration for Serial RS422 Data Input
TOP MENU
SUB MENU
PARAMETER
VALUE
CONFIGURATION
MODULATOR
TX-DR QPSK 5/6
8.448000Mbps
TX-SR QPSK 5/6
5.500187Msps
TX-IF FREQUENCY
70.000000MHz
TX-OUTPUT
ON
TX-POWER LEVEL
-10dBm
SCRAMBLER
ON
CARRIER MODE
NORMAL
TX CLOCK PHASE
NORMAL1, 2
TX DATA PHASE
NORMAL
2047 PATTERN
OFF
TX SYNC SELECT
CORR ON DATA
TX DATA FAULT
NONE
TX CLK ACTIVITY
ALARM
DVB FRAMING TYPE
188
SAVE
CONFIGURATION
1 - 10
RECALL
CONFIGURATION
1 - 10
MODULATOR
----------------------------`
INTERFACE
FAULTS/ALARMS
115
Restoring TVRM75 Factory Defaults
116
Appendix C
Table C-2 Factory Default Configuration for Serial RS422 Data Input
TX INTERFACE
----------------------------
COMMON
----------------------------
MODULATOR
NO FAULT
TX INTERFACE
NO FAULT
COMMON
NO FAULT
STORED
FAULTS/ALARMS
CLEAR???
UTILITY
MODULATOR
INTERFACE
SYSTEM
MOD POWER OFFSET
0.0dB
MOD SPECTRUM
NORMAL
POWER UP TX-IF
LAST KNOWN
INTERFACE TYPE
ASI/RS422
RS422 INT SELECT
RS422
RTS TX-IF CNTRL
OFF
RTS STATE
NORMAL
CTS STATE
NORMAL
DM STATE
NORMAL
ST STATE
NORMAL
TT STATE
NORMAL
TIME/DATE
SET CURRENT TIME
SET CURRENT DATE
Factory Default for Serial RS422 Data Input
Table C-2 Factory Default Configuration for Serial RS422 Data Input
MOD OPTIONS
REMOTE BAUD RATE
19200
NONE
REMOTE ADDRESS
1
REMOTE TYPE
RS-232
TEST MODE STATUS
--------------------------
LAMP TEST
PRESS ENTER TO TEST
DISPLAY CONTRAST
64
M&C MODULE FW
FW/5613-1H
MASTER RESET
HARD/SOFT
ALARM RELAY 3
NORMAL
REV EMULATION
CURRENT VERSION
MOD OPTIONS
--------------------------
MOD SERIAL #
XXXXXXX
CONFIGURATION
CODE - MOD
FACTORY SETUP
NOT APPLICABLE
1 - TX CLOCK PHASE is set to INVERT for Revision 01 Serial RS422 Data Cable.
2 - TX CLOCK PHASE is set to NORMAL for Revision 02 Serial RS422 Data Cable.
3 - Menu not available prior to firmware version 4.1.4
Note - a no fault condition is indicated by a - sign and a fault condition is indicated by a + sign.
Save the factory default configuration, cycle power to the unit, and
verify that the factory default settings are displayed after power-up.
117
Restoring TVRM75 Factory Defaults
118
Appendix C
119
Glossary
A
AC switching power supply A pulse–width modulation, AC to DC
converter. The TUI10 can receive and convert from 100 to 240 V inputs
at 50 to 60 Hz.
Amp or Ampere The standard unit of measure for electrical strength
defined as the amount of current that would be produced by an
electromotive force of one volt acting through a resistance of one ohm.
ASI
Asynchronous serial interface.
Auto–detecting The capability of a unit to automatically sense and
set its configuration to match the operational parameters of an
incoming signal.
Auto–ranging The capability of a power supply unit to accept
variable voltage rates.
Auto–sensing The capability of a power supply unit to detect
variable voltage rates.
B
Baseband multimedia
and video signals.
Baud Rate
medium.
BIST
The non–modulated transmission of audio
A measure of transmission speed over a transmission
Built–in–self–test.
Bit rate Refers to the number of bits of data transmitted over a given
time period. See also bps.
BNC British Naval Connector—A type of connector featuring a
locking pin on the female end and a cut–out groove for the pin on the
male end.
bps A ratio of the number of bits of data transmitted to the number
of seconds elapsed, expressed as bits per second.
Glossary
120
Buffer In data transmission, a buffer is a temporary storage location
for information being sent or received. A buffer is usually located
between two different devices that have different abilities or speeds
for handling the data.
Buffer overflow Within a data buffering system, the condition
occurring whenever the number of data bits entering the buffer
exceeds the data capacity of the buffer.
Buffer underflow Within a data buffering system, the condition
occurring whenever the number of data bits entering the buffer is not
sufficient to maintain the buffer minimum output rate.
Built–in–self–test Evaluative procedures residing in the TUI10
micro–controller which are used to provide diagnostic information
regarding its operational state.
C
C–band A portion of the electromagnetic spectrum used heavily for
satellite transmissions. The uplink frequency is at 6GHz, and the
downlink is at 4GHz. Traditional applications include voice
communications, video conferencing, and broadcast TV and radio.
Cable Loss Loss of signal quality within cable, typically due to
impedance as a result of excessive cable length or material
construction.
Carrier Offset The frequency difference in Hertz measured between
the programmed receive frequency and the actual frequency received.
Channel
signals.
A single path for transmitting electric or electromagnetic
CSA Canadian Standards Association—The Canadian counterpart
of the U.S. Underwriters Laboratories.
D
Data Typically refers to the information content of a signal including
video, audio, graphic, or character–based information.
Data Bits Within a data packet, the bits which represent the
information content of a packet. See also Data.
121
dB Decibel—A unit of measure of signal strength, usually the
relation between a transmitted signal and a standard signal source. An
increase of 3 dB results in a doubling of the signal strength. An increase
of 6 dB results in a quadrupling of the signal strength. Conversely, a
decrease of 3 dB and 6 dB results in a reduction in signal strength by
one half and three quarters, respectively.
Decode To convert a coded signal into its original form.
Demod
Demodulation. See Demodulate.
Demodulate
wave.
To retrieve an electrical signal from a carrier signal or
DS3 A commercial leased line that has the capacity to handle up to
44.763 Mbps of digital information, as defined in ITU-T Rec. G.703.
dsec Deci–seconds—A measurement of time that is equal to 0.1
seconds. For example, 15 dsec is equal to 1.5 seconds.
DTE Data Termination Equipment—A generic name for any device
that generates information to be transmitted to another device or over
a transmission system. For example, visual display units, computers,
and office workstations.
DVB Digital Video Broadcast—A set of standards providing the
specifications for transmission and reception of digitally processed
broadcasting signals.
E
E2
A commercial leased line that has the capacity to handle up to
8.448 Mbps of digital information, as defined in ITU-T Rec. G.703.
E3 A commercial leased line that has the capacity to handle up to
34.368 Mbps of digital information, as defined in ITU-T Rec. G.703.
Eb/No Eb =Energy per information bit; No =Noise energy per
Hertz—Signal energy with respect to noise, expressed in energy per
bit/noise in 1 Hz bandwidth.
Glossary
122
F
Fault
A disturbance that impairs or disrupts normal operations.
FIFO
First In, First Out—A type of data buffer.
FPGA Field Programmable Gate Array —A chip that can be
reprogrammed for various uses.
Functional Block A component that performs a specific process
within a unit. For example, an input controller is a functional block
within the TUI10.
G
G.703 ITU–T Recommendation G.703, “Physical/Electrical
Characteristics of Hierarchical Digital Interfaces.”—An interface
protocol used for terrestrial transmissions that operates at multiples of
64 Kbps PCM.
H
Hz Hertz—A measurement of frequency in cycles of a waveform
occurring in one second. One hertz is one cycle per second.
HPA High power amplifier— A device which provides the high
power necessary to transmit radio signals from an earth terminal to a
satellite.
I
IEC International Electrotechnical Commission—A Geneva–based
organization that sets international electrical and electronics
standards and includes national committees from over 40 countries.
IF Intermediate Frequency—1. A frequency to which a signal wave
is shifted locally as an intermediate step in transmission or reception.
2. The fixed frequency resulting from heterodyning the incoming
signal with a signal from a local oscillator.
IFL Interfacility link—Typically refers to an interfacility link cable
used to connect a low–noise block (LNB) to an IRD. Often this IFL
carries power from the IRD to the LNB.
IF Looptest A diagnostic, troubleshooting, or operational test
procedure designed to test operate satellite equipment by passing
video and audio test signals through an encoder and satellite
modulator, looping the output of the modulator to the input of the
IRD, and monitoring the video and audio output of the IRD.
123
Impedance The total opposition of a device offers to the flow of
alternating current. Measured in ohms and varies at different
frequencies.
Integrated Receiver/Decoder Within a satellite downlink system, a
piece of equipment used to demodulate and decode a transport
stream.
IRD
K
See Integrated Receiver/Decoder.
Ku–band A portion of the electromagnetic spectrum in the 12GHz
to 14GHz range. Used for satellites, employing 14GHz on the uplink
and 11GHz on the downlink in support of such applications as
broadcast TV for man–on–thešstreet interviews and other situations
requiring a small, portable dish. Ku is also used in Direct Broadcast
Satellite (DBS) systems, or Direct Satellite System (DSS).
Kbps Kilobits per second— A ratio of 1000 bits transmitted per
second. For example, 10Kbps is equal to 10,000 bits transmitted per
second.
KSps Kilosample or kilosymbol per second—A ratio of 1000
samples or symbols transmitted per second. For example, 10KSps is
equal to 10,000 samples or symbols transmitted per second.
L
L–band 1. Portion of the electromagnetic spectrum commonly used
in satellite applications, with frequencies in the 390 MHz to 1550 MHz
range.
2. For an IRD, the frequency received from the LNB, existing in a range
of 950 MHz to 2050 MHz.
LCD Liquid crystal display—A display technology that uses
liquid crystals to form displayed characters.
LED Light emitting diode—A display technology that uses a light
emitting diode to form displayed characters.
Glossary
124
Line Resolution The degree of sharpness of a displayed video image.
LNB Low Noise Block —A combination low noise amplifier and
local oscillator used in some satellite downconverters.
LO Local Oscillator—A device within a frequency converter that is
used to reduce or increase the frequency of the signal passed from the
device input to output.
M
Mbps Megabits per second—A ratio of 1,000,000 bits transmitted
per second. For example, 15Mbps is equal to 15,000,000 bits
transmitted per second.
MCPC
See Multi–channel–per–carrier.
Mono Channel
stereo mix.
Referring to one audio output not contained in a
MPEG Moving Picture Experts Group—A joint committee of the
International Standards Organization (ISO) and the International
Electrotechnical Commission (IEC).
2. A series of hardware and software standards designed to reduce the
storage requirements of digital video.
3. A compression scheme for full motion video.
MPEG–1 Refers to ISO/IEC standards developed in 1991 by the
ISO/IEC JTC1/SC29 WG11, Moving Picture Experts Group.
MPEG–2 Refers to ISO/IEC standards 13818 –1 (Systems), 13818–2
(Video), 13818–3 (Audio), 13818–4 (Compliance).
MTBF Mean time between failures—The length of time a user may
reasonably expect a device or system to work before an incapacitating
fault occurs.
Multi–channel–per–carrier Two or more video programs transmitted
per digital transport stream.
125
N
Network Management System A system designed to keep a
network operating near maximum efficiency and to provide operator
interface to the managed system for configuring, isolating and
correcting faults, and monitoring operational performance.
Non–volatile, field–programmable memory A type of Flash ROM
used to store configuration parameters. The ROM memory is
configurable by the user but will not clear if the unit loses power.
NTSC 1. National Television Standards Committee of the Electronic
Industries Association (EIA) — A committee which determines the
video standards for broadcast in the U.S.
2. The U.S. standard for video broadcast which uses a 3.57945 MHz
subcarrier whose phase varies with the instantaneous hue of the
televised color, and whose amplitude varies with the instantaneous
saturation of the color. A single frame (picture) in the standard
consists of 525 horizontal scanning lines. Frames are scanned at the
rate of 30 frames per second.
3. Used to describe the standard method of television transmission in
the U.S., Canada, japan, Central America, and parts of South America.
O
Ohm A unit of measure for resistance symbolized by the Greek letter
omega Ω. Defined as the electrical resistance between two points of a
conductor when a constant difference of potential of 1 volt, applied
between these points produces in this conductor a current of 1 ampere,
the conductor not being the source of any electromotive force.
Overhead A number of data bits used for error–checking, control,
timing, and other communications functions that are inserted in the
data stream as an additional to the individual data rates of the
transport stream components. Overhead must be included when
calculating the aggregate transport stream output data rate.
P
PAL Phase Alteration Line—1. A broadcast television standard that
uses a subcarrier which is alternated 90 degrees in phase from one line
to the next to minimize hue errors in color transmission.
2. The color television transmission standard used in Europe and
other parts of the world.
Glossary
126
PAL–I A European color television transmission standard that uses
a 4.43361875 MHz subcarrier. A single frame in this standard consists
of 625 scanning line, and frames are scanned at a rate of 25 frames per
second.
PAL–M A European color television transmission standard that uses
a 3.57561149 MHz subcarrier. A single frame is this standard consists of
525 scanning lines, and frames are scanned at a rate of 30 frames per
second.
PGCA A proprietary conditional access method used by Tiernan
equipment.
PID Packet Identifier—Within a data packet, the bits used for its
identification.
Pixel Picture Element—1. The smallest unit of area of a video screen
image that can be turned on or off, or varied in intensity.
2. The smallest division that makes up the raster scan line for a video
display.
PSI
Program Specific Information.
Q
QPSK Quadrature Phase Shift Keying—The transmission of 2 bits
per symbol, with each symbol being a phase range of the sine wave. In
this fashion, a 2:1 compression ratio is achieved, resulting in a
doubling of the efficiency with which a circuit is employed.
R
RCD Remote Control Device—A computer terminal used to
configure and monitor an encoder or an IRD without using the unit’s
control front panel.
RF Input
S
The user configured receive frequency parameter.
Sample Rate The number of times per second that an analog signal
is measured and converted to a binary number in order to convert the
analog signal to a digital signal.
Satellite downlink frequency Within a satellite system, the frequency,
either C–band or Ku–band, of the signal transmitted to the receiving
dish.
127
SCPC
See Single–channel–per–carrier
Single–channel–per–carrier
digital transport stream.
One video program transmitted per
SMPT Society of Motion Picture and Television Engineers. A
standard for video connections. The TUI10 has a SMPTE-310 port that
handles data rates of 19.39 Mbps and 38.78 Mbps.
SNMP Simple Network Management Protocol—A widely used
network monitoring and control protocol. Data is passed from SNMP
agents, which are hardware and/or software processes reporting
activity in each network device (hub, router, bridge, etc.) to the
workstation console used to oversee the network. The agents return
information contained in a Management Information Base, which is a
data structure that defines what is obtainable from the device and
what can be controlled.
sps 1. Samples per second—A ratio of the number of times that an
analog signal is measured and converted to a binary number to
seconds elapsed, expressed as samples per second.
2. Symbols per second—A ratio of symbols transmitted to seconds
elapsed expressed as symbols per second. Commonly used to express
the speed at which QPSK symbols are transmitted.
Stereo Pair Two audio signals consisting of sound reproduction of
the same audio source.
Symbol In digital transmission, a recognizable electrical state that is
associated with a signal element, which is an electrical signal within a
defined period of time.
T
TAD–1006 A Tiernan Communication, Inc. option module that allows
an encoder to convert a composite analog video input into a serial
digital video stream for inclusion in the transport stream output. The
TAD–1006 provides this functionality automatically without need for
special setup or configuration.
TDR600 A DVB–compliant, stand–alone MPEG–2 integrated
receiver/decoder produced by Tiernan Communications, Inc. that can
decode both 4:2:2 and 4:2:0 video formatting.
Glossary
128
TDR7 A DVB–compliant, stand–alone MPEG–2 integrated
receiver/decoder produced by Tiernan Communications, Inc.
TDR777 A DVB–compliant, stand–alone MPEG–1 and MPEG–2
integrated receiver/decoder produced by Tiernan Communications,
Inc.
TE6 A 4:2:2 MPEG–2 encoder produced by Tiernan
Communications, Inc. that is backwards compatible with existing
4:2:0 integrated receiver decoders.
TTM A Tiernan Communications, Inc. internal multiplexer that allows
an encoder to multiplex various inputs into a single MPEG–2
transport stream output.
TTM–2070/RA A Tiernan Communications, Inc. option module that
allows an encoder to multiplex video, audio, and user data inputs into
an MPEG–2 transport stream output with an ASI aggregate bit rate up
to 53 Mbps and an RS–422 aggregate bit rate up to 18 Mbps.
U
UL
Underwriters Laboratories.
V
VAC
Volts AC.
VDC Volts DC.
VDE Verband Deutscher Elektrotechniker—The German
counterpart of the U.S. Underwriters Laboratories.
Viterbi Code Rate
Forward error– correction scheme.
Vpp Volts peak–to–peak.
129
Index
A
C
D
AC power 28
ASCII character format 95
ASI
block diagram 84
data interface 82
defaults 90
description 83
factory defaults 112
front panel menus 88
receive output connectors, J6/J7
remote commands 90
RS-422 connector, J5 86
specifications 85
transmit input connectors, J3/J4
user interfaces 86
assemblies, modulator 15
commands
interface 99
modulator 97
stored faults 109
system 100
connectors
external 25
rear panel 26
transmit IF output, CP1
28
data interfaces
ASI 82
description 67
installation 25
removal 25
RS-422 parallel/serial 68
software requirement 68
data rates 14
default settings 63
defaults
factory 111
modulator settings 63
86
86
Index
130
E
emissions, CE 28
external connections
25
F
factory defaults 111
ASI 112
RS-422 115
faults
command tree 19
commands/responses 109
stored 109
firmware upgrade, default settings 63
front panel
configuration interface menu 40
configuration menu 36
configuration menu, overview 35
configuration save & recall menus 43
faults & alarms menu 45
faults & alarms menus, overview 44
features 30
keypad 32
LEDs 30
main menu tree 34
menu structure, overview 33
operation, introduction 29
stored faults & alarms menu 49
utility factory setup menu 66
utility interface menu 54
utility interface menu, ASI/RS-422 57
utility interface menu, RS-422 55
utility menus overview 51
utility mod options menu 64
utility modulator menu 52
utility system menu 59
G
ground
H
hard reset
28
63
131
I
installation
data interfaces 24
process 22
interface commands/responses
K
keypad, front panel
L
LEDs
description
front panel
M
99
32
31
30
menus
ASI 88
front panel, see front panel
Utility Interface RS-422 Options
message structure 95
command/response 96
device address 96
end character 97
start character 96
modulator
commands/responses 97
default settings 63
fault tree 19
P
pinout
ASI, RS-422 connector, J5 87
auxiliary connector, J5 77
DVB Interface, J3 74
EIA530 serial interface, J4 75
fault connector, J2 27
remote, J1 26
power, AC 28
R
rear panel
connectors 26
remote commands
ASI summary 90
RS-422 summary 80
remote operation
message structure 95
78
Index
132
RS-422
configuration 70
data/timing criteria 73
defaults 80
factory defaults 115
front panel menus 78
overview 68
remote commands 80
specifications 70
user interfaces 72
S
T
U
software requirements
data interfaces 68
specifications
ASI 85
modulator 15
symbol rates 14
system commands/responses
100
Tiernan Communications
Product Support department contact information
TVRM75
assemblies 15
data rates 14
emissions, CE 28
external connections 25
fault tree 19
ground 28
installation process 22
overview 13
specifications 15
symbol rates 14
unpacking 21
unpacking the unit 21
user interfaces 72
ASI 86
DVB parallel/serial
EIA-530 serial 75
serial, J4 75
72
ix
183
Before you call Product Support, please photocopy and complete the following Return Materials
Authorization (RMA) Request form. This information enables the Product Support Engineer to
understand, diagnose, and correct your product problems.
Tiernan Return Materials Authorization Request Form
Telephone: 858.587.0252
Fax: 858.587.0257
Product
Serial Number
RMA # (obtained from Tiernan)
Contact Name
Contact Phone
Contact Fax Number
Company Name
Contact Email Address
Return Shipping Address
System Configuration
Format: SD - Standard Definition ❏ HD - High Definition ❏
Firmware Version: ____________
System Mode: SCPC ❏ MCPC ❏
Type of Failure: Intermittent ❏
Permanent ❏
Encoder Configuration
Video: Digital ❏ Analog ❏
Format: PAL ❏
NTSC ❏
Other ________
Resolution: 1080I ❏ 720P ❏
480P ❏
544 ❏
352 ❏
704 ❏
Data Rate: Auto ❏
Frame Rate: __________________
Audio: Digital ❏ Analog ❏ Number of Channels: _______
Mux: Ouput Rate________________
Mod: Code Rate _______
SIF ❏
Manual ❏
Chroma: 4:2:0 ❏ 4:2:2 ❏
If Manual: ________________
Aux Data: Number of Channels: ____
Local Rate ________________
Data Rate ______________
IRD Configuration
Input Source: QPSK ❏
ASI ❏
RS-422 ❏
If QPSK: RF Freq _______________
Video: SD ❏
HD ❏
Aux Data: Number of Channels: ____
Detailed Description of Failure
SDI ❏
Data Rate ________________
Audio: Digital ❏
Analog ❏
Code Rate _______________
Number of Channels: ____
184