USER MANUAL
MPEG2 DECODER
DTVD-200
BROADCAST TECHNOLOGY LTD
Sopwith Park, West Portway Industrial Estate
Andover, Hampshire, SP10 3TS, England
TEL: +44 (0)1264 332633
FAX: +44 (0)1264 334509
Preliminary Pages
2
Broadcast Technology Limited
User Manual for DTVD-200 MPEG2 Decoder (6th Revision)
Preliminary Pages
REVISION HISTORY
Document Number: GS3302-3090-7000-B5
File Name:
P:\PRODUCTS\GS3302\3090\MANUAL\G33-3090-B5.doc
Latest Revision:
6
INFORMATION
Revision 1
19th June 1999
Simon Chin
Revision 2
18th January 2000
Simon Chin
Revision 3
30th August 2000
Simon Chin
Revision 4
24th May 2001
Simon Chin
Revision 5
14th July 2001
Simon Chin
FIRMWARE
DESCRIPTION AND CHANGES
First issue for prototype
FW0686 Rev01
(and later)
Added ETR-290 monitoring, and Boot Load Instructions.
Additional serial communication commands.
FW0686 Rev03
(and later)
General update
FW0686 Rev07
(and later)
General update
FW0686 Rev09
(and later)
Revision 6
14th July 2001
Simon Chin
FW0686 Rev10
(and later)
Improved specification layout
Typo in BITPID? serial command
Added the following serial commands: PTS, SERCA?, TSID,
TABLIMIT, REPRATE? REPLATE?
Modified menu structure
Changes to ALMAP, ALMAP? serial commands
Changes to ALDIS, ALDIS? serial commands
Changes to OCCUR? serial command
Menu structure change for serial comms
Added the following serial commands:LOGNO?,LOG?,VERCPLD?
Copyright © Broadcast Technology Limited
Broadcast Technology Limited
User Manual for DTVD-200 MPEG2 Decoder (6th Revision)
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Preliminary Pages
CONTENTS
REVISION HISTORY.................................................................................................................. 3
FEATURES.................................................................................................................................... 7
TRADEMARKS, LICENSES AND INDUSTRIAL PROPERTY RIGHTS ........................... 7
IMPORTANT NOTICE ............................................................................................................... 8
GENERAL SAFETY SUMMARY .............................................................................................. 8
TO AVOID FIRE OR PERSONAL INJURY ............................................................................ 9
PRODUCT DAMAGE PRECAUTIONS.................................................................................. 10
WARNINGS, CAUTIONS & NOTES ...................................................................................... 11
EMC COMPLIANCE................................................................................................................. 11
CUSTOMER SUPPORT INFORMATION ............................................................................. 12
WHERE TO FIND US ........................................................................................................................ 12
PROCEDURE FOR RETURNING EQUIPMENT ..................................................................................... 12
INSTALLATION ........................................................................................................................ 13
MECHANICAL INSTALLATION ......................................................................................................... 13
ELECTRICAL INSTALLATION ........................................................................................................... 13
FUSE RATING ................................................................................................................................. 13
INSTALLATION WITHIN THE UK .................................................................................................... 14
INSTALLATION OUTSIDE THE UK................................................................................................... 14
OPERATION............................................................................................................................... 15
CONNECTION .................................................................................................................................. 15
MAINS SUPPLY ............................................................................................................................... 15
STATUS/RESET PORT ...................................................................................................................... 15
FRONT PANEL LEDS ...................................................................................................................... 15
FRONT PANEL KEYBOARD .............................................................................................................. 16
LCD STATUS SCREENS .................................................................................................................. 16
MENU STRUCTURE ......................................................................................................................... 17
INFRA-RED CONTROLLER............................................................................................................... 18
SERIAL PROTOCOL ................................................................................................................ 19
DECODER COMMANDS ................................................................................................................... 19
SREQ? Services Request........................................................................................................ 19
SSET Service Set .................................................................................................................... 19
PROV? Provider Request ....................................................................................................... 19
PREQ? Programmes Request................................................................................................. 19
SERCA? Service CA Request ................................................................................................... 19
SERCOM? Service Components Request ................................................................................ 20
VIDPRM? Current Video Parameters Request ...................................................................... 20
AUDPRM? Current Audio Parameters Request ...................................................................... 20
MONTR Monitor Select ........................................................................................................... 20
INPUT MPEG2 Source Select ............................................................................................... 20
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Broadcast Technology Limited
User Manual for DTVD-200 MPEG2 Decoder (6th Revision)
Preliminary Pages
INPUT? MPEG2 Source Request ............................................................................................ 20
GENERAL COMMANDS.................................................................................................................... 21
IDN? Get Identification ......................................................................................................... 21
VER? Get Firmware version .................................................................................................. 21
VERCPLD? Get CPLD Firmware version ............................................................................ 21
SER? Get Serial Number........................................................................................................ 21
TIME Set Time of Day ............................................................................................................ 21
TIME? Returns Time of Day.................................................................................................. 21
DATE
Sets Date................................................................................................................... 21
DATE? Returns the Date........................................................................................................ 21
TEMP? Returns the Internal Temperature ............................................................................. 21
DEF Set Defaults .................................................................................................................. 21
ALARM COMMANDS ....................................................................................................................... 22
ALARM? Alarms Request...................................................................................................... 22
TEMPLO Sets Low Temperature Alarm Limit ...................................................................... 22
TEMPHI Sets High Temperature Alarm Limit ..................................................................... 22
ALMAP Sets the Alarm Port Mapping for ETR-290 Errors ................................................... 22
ALMAP? Gets the Alarm Port Mapping for ETR-290 Errors .............................................. 23
ALDIS Sets the Alarm Disabling for ETR-290 Errors .......................................................... 23
ALDIS? Gets the Alarm Disabling for ETR-290 Errors ......................................................... 23
TABLIMIT Sets the Table Repetition Limits............................................................................ 23
TABLIMIT? Gets the Table Repetition Limits ....................................................................... 23
OTHMAP Sets the Port Mapping for Other Alarms .............................................................. 23
OTHMAP? Gets the Port Mapping for Other Alarms ............................................................. 24
NULLUP Sets the Upper Bitrate Limit for Null Packets....................................................... 24
NULLUP? Gets the Upper Bitrate Limit for Null Packets...................................................... 24
TSIDUP Sets the Upper Limit for TS ID Range Checking ...................................................... 24
TSIDLO Sets the Lower Limit for TS ID Range Checking ...................................................... 24
TSIDUP? Gets the Upper Limit for TS ID Range Checking ................................................. 24
TSIDLO? Gets the Lower Limit for TS ID Range Checking ................................................. 24
MONITORING COMMANDS .............................................................................................................. 25
LLOG? Last Error Log Request ............................................................................................. 25
LOG?
Specific Error Log Request ...................................................................................... 25
LOGNO? Last Log number Request...................................................................................... 25
BITSER? Get Service Bitrates............................................................................................... 25
BITSI? Get SI Bitrate............................................................................................................. 25
BITNUL? Get Null Packet Bitrate ......................................................................................... 25
BITPID? Get PID Bitrate ..................................................................................................... 26
PIDIGR Set Up PID Ignore..................................................................................................... 26
OCCUR? Get Occurances of ETR-290 Errors...................................................................... 26
OCCRST Reset the Occurances of ETR-290 Errors ............................................................. 26
REPRATE? Get Repetition Rates of SI Tables.......................................................................... 26
REPLATE? Get Repetition Rates Late Flags of SI Tables ....................................................... 27
TSID?
Get the Transport Stream ID number ...................................................................... 27
DIAGNOSTIC COMMANDS ............................................................................................................... 27
PTS
Set PTS Syncronising ON (default) or OFF................................................................. 27
SOFTWARE UPDATING.......................................................................................................... 28
SEQUENCE OF EVENTS .................................................................................................................... 28
PROBLEMS AND TROUBLE SHOOTING ............................................................................................. 28
ERROR MONITORING............................................................................................................ 29
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User Manual for DTVD-200 MPEG2 Decoder (6th Revision)
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Preliminary Pages
1ST PRIORITY ERRORS .................................................................................................................... 29
TS Sync Loss.............................................................................................................................. 29
Sync Byte Error ......................................................................................................................... 29
PAT Error.................................................................................................................................. 29
PMT Error................................................................................................................................. 30
Continuity Count Error ............................................................................................................. 30
PID Error .................................................................................................................................. 30
2ND PRIORITY ERRORS ................................................................................................................... 31
Transport Error Indicator......................................................................................................... 31
CRC Error ................................................................................................................................. 31
PCR Error, PCR Accuracy........................................................................................................ 31
PTS Error .................................................................................................................................. 32
CAT Error ................................................................................................................................. 32
3RD PRIORITY ERRORS ................................................................................................................... 33
SI Repetition .............................................................................................................................. 33
NIT, SDT, EIT, RST and TDT Error ......................................................................................... 33
SYSTEM ERRORS ............................................................................................................................ 34
ERROR LOG .................................................................................................................................... 34
ALARM MAPPING ........................................................................................................................... 35
PIN OUTS .................................................................................................................................... 36
LVDS SPI INPUT [25 WAY D-TYPE SOCKET]................................................................................. 36
STATUS PORT [9 WAY D-TYPE SOCKET]......................................................................................... 36
RS232 PORT [9 WAY D-TYPE SOCKET] .......................................................................................... 37
AUDIO ANALOGUE OUTPUTS X2 [XLR PLUGS] ............................................................................ 37
AUDIO DIGITAL OUTPUTS [XLR PLUGS] ....................................................................................... 37
ALARM OUTPUT [15 WAY D-TYPE SOCKET] .................................................................................. 38
GENERAL SPECIFICATION .................................................................................................. 39
ANNEX A COMPLIANCE ........................................................................................................ 41
SAFETY .......................................................................................................................................... 41
EMC .............................................................................................................................................. 41
ANNEX B CERTIFICATIONS AND COMPLIANCE’S ....................................................... 42
SAFETY STANDARDS ...................................................................................................................... 42
EMC STANDARDS .......................................................................................................................... 42
ANNEX C - CUSTOMER REPORT......................................................................................... 43
ANNEX D - FAULT REPORT FORM ..................................................................................... 44
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Broadcast Technology Limited
User Manual for DTVD-200 MPEG2 Decoder (6th Revision)
Preliminary Pages
FEATURES
• DVB-Compliant
• MP@ML and 422P@ML MPEG2 Decoder
• MPEG1/2/Dolby AC-3 Audio Decoder
• Parallel (LVDS), ASI copper or ASI Optical Inputs
• Composite Analogue Video and SMPTE 259M (SDI) outputs
• Stereo analogue audio and AES/EBU digital audio outputs (75Ω and 110Ω)
• 4:3, 16:9 and 2.21:1 Material supported
• 4:3 and 16:9 Aspect ratio monitors supported
• N/PAL and M/NTSC video standards supported
• Service Bitrates measurements, including null and SI tables
• ETR290 Error monitoring
• User programmable ETR290 Error mapping to alarm port
• On screen display with multilevel menus
• LCD screen display
• RS232 Control
• Optional InfraRed remote control
This user manual provides all the necessary instructions and information for the
installation and operation of the DTVD-200 MPEG2 Decoder.
This manual should be kept in a safe place for future reference. If the equipment is passed
on to a third party, then also please pass on the relevant documentation.
TRADEMARKS, LICENSES AND INDUSTRIAL PROPERTY
RIGHTS
Dolby is a trademark of Dolby Laboratories Licensing Corporation, San Francisco, CA, USA.
Other trademarks used in this document are owned by their respective owners.
Broadcast Technology Limited
User Manual for DTVD-200 MPEG2 Decoder (6th Revision)
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Preliminary Pages
IMPORTANT NOTICE
1. Every care has been taken in the design, manufacture, assembly and testing of this
equipment to obviate risk to the operator.
2. The case should not be opened unless specifically authorised in the Manual and only
trained and experienced staff should carry out the necessary adjustment, taking care to
observe safety precautions.
3. If work is carried out which involves opening the case, the equipment must first be
disconnected from the supply and capacitors within the unit must be fully discharged.
4. Fuse ratings in protection units must not be exceeded.
5. When handling the equipment or its case, guard against cuts or abrasions from metal parts
of the chassis or panels.
6. Unwanted or obsolete components must be disposed of safely, as some will release toxic
vapours if incinerated.
In case of difficulty or doubt about a matter of safety, please refer to the manufacturers.
GENERAL SAFETY SUMMARY
Review the following safety precautions to avoid injury and prevent damage to this product or
any products connected to it. To avoid potential hazards, use this product only as specified.
If this equipment is used in any manner not specified, including failure to follow any rating or
direction for use, the protection provided by the equipment may be impaired.
In case of difficulty or doubt about a matter of safety, please refer to the manufacturer.
There are no user serviceable parts. Return to manufacture repair/service
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Broadcast Technology Limited
User Manual for DTVD-200 MPEG2 Decoder (6th Revision)
Preliminary Pages
TO AVOID FIRE OR PERSONAL INJURY
Use Proper Power Cable. Use only the power cable specified for this product and certified for
the country of use.
Ground the Product. This product is grounded through the grounding conductor of the power
cable. To avoid electric shock, the grounding conductor must be connected to earth ground.
Before making connections to the input or output terminals of the product, ensure that the
product is properly grounded.
Avoid Over Voltage. To avoid electric shock or fire hazard, do not apply potential to any
terminal, including the common terminal, that varies from ground to more than the maximum
rating for that terminal. Voltage rating: 95V to 240V AC, 50 to 60Hz. The mains voltage must
not fluctuate by more than ±10%
Observe All Terminal Ratings. To avoid fire or shock hazard, observe all ratings and markings
on the product. Consult the product manual for further ratings information before making
connections to the product.
Use Proper Fuse. Use only the fuse type and rating specified for this product.
Do Not Operate Without Covers. To avoid electric shock or fire hazard, do not operate this
product with covers or panels removed.
Connect and Disconnect Properly. Do not connect or disconnect probes or test leads while they
are connected to a voltage source.
Do Not Operate in Wet/Damp Conditions. To avoid electric shock, do not operate this product
in wet or damp conditions. The unit is for indoor use, at altitudes up to 2 Km, in temperatures
from 5°C to 35 °C and humidity up to 80 %. This unit is installation category II and Pollution
Degree 2.
Do Not Operate in an Explosive Atmosphere. To avoid injury or fire hazard, do not operate
this product in an explosive atmosphere.
Avoid Exposed Circuitry. Do not touch exposed connectors and components when power is
present.
Lithium Battery.
!
CAUTION. Danger of explosion if battery is incorrectly replaced. Replace only with the
same or equivalent type. Dispose of used batteries according to the manufactures
instructions
Cleaning the unit. Keep product surfaces clean and dry. Cleaning should be carried out with a
dry, clean, lint free cloth.
Broadcast Technology Limited
User Manual for DTVD-200 MPEG2 Decoder (6th Revision)
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Preliminary Pages
PRODUCT DAMAGE PRECAUTIONS
Use Proper Power Source. Do not operate this product from a power source that applies more
than the voltage specified.
Provide Proper Ventilation. To prevent product overheating, provide proper ventilation.
Do Not Operate With Suspected Failures. If you suspect there is damage to this product, have
it inspected by qualified service personnel.
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Broadcast Technology Limited
User Manual for DTVD-200 MPEG2 Decoder (6th Revision)
Preliminary Pages
WARNINGS, CAUTIONS & NOTES
Terms in This Manual. These terms may appear in this manual:
!
WARNING. Warning statements identify conditions or practices that could result in
injury or loss of life.
!
CAUTION. Caution statements identify conditions or practices that could result in
damage to this product or other property.
Terms on the Product. These terms may appear on the product:
DANGER indicates an injury hazard immediately accessible as you read the marking.
WARNING indicates an injury hazard not immediately accessible as you read the marking.
CAUTION indicates a hazard to property including the product.
Symbols on the Product. These symbols may appear on the product:
!
DANGER
High Voltage
Ground
(Earth) Terminal
ATTENTION
Refer to Manual
Double
Insulated
EMC COMPLIANCE
This equipment is certified to the EMC requirement detailed in Annex C. To maintain this
certification, only use the leads supplied or if any doubt contact the manufacturer.
Broadcast Technology Limited
User Manual for DTVD-200 MPEG2 Decoder (6th Revision)
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Preliminary Pages
CUSTOMER SUPPORT INFORMATION
Broadcast Technology Ltd provide product support and technical help for all our products.
Where to Find Us
BROADCAST TECHNOLOGY LIMITED
Sopwith Park, Royce Close,
West Portway Industrial Estate,
Andover,
Hampshire,
SP10 3TS,
England.
International Telephone:
International Facsimile:
+44 (0) 1264 332633
+44 (0) 1264 334509
E-mail:
support@btl.uk.com
Internet:
http://www.btl.uk.com
Procedure for Returning Equipment
If for any reason the equipment is required to be returned for servicing or repair, please
contact Broadcast Technology Ltd and proceed as follows:
1.
We will allocate a Returns Number and ask you to complete a copy of the
Fault Report Form (see Annex D).
2.
Pack the equipment in the original packing boxes and include the Fault Report
Form.
3.
Return the equipment to the above address.
The customer is responsible for the condition of the equipment whilst in transit to
Broadcast Technology Service department.
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Broadcast Technology Limited
User Manual for DTVD-200 MPEG2 Decoder (6th Revision)
Installation
INSTALLATION
On receipt of the unit, open the box and verify that the unit and all accessory items included.
Save the shipping carton and packing materials in case it becomes necessary to ship the unit to
the manufacturer for service or repair.
!
WARNING. Before proceeding, read the Warning Section at the front of this manual.
Mechanical Installation
The product requires no assembly. Always allow approximately 100mm of rear panel clearance
for cable and power cord connections. Ensure that ventilation slots on the sides on the product
are not obstructed and provide a free air-flow path.
Electrical Installation
The unit is designed to operate from a single-phase power source having one of its currentcarrying conductors at or near earth ground (the neutral conductor). Only the line conductor is
fused for over-current protection.
Fuse Rating
This unit is fitted with a 1.6A, H (High breaking capacity) 250V fuse in the line conductor of
each supply connector.
!
CAUTION: For continued protection against risk of fire, replace only with the same type
!
ATTENTION: Pour ne pas compemettre la protection contre les risques d’incendie,
and rating of fuse.
remplacer par un fusible de même type et de mêmes caractéristiques nominales.
Systems that have both current-carrying conductors live with respect to ground (such as phaseto-phase on multiphase systems) must not be used as power sources. A protective ground
connection by way of the grounding conductor in the power cord is essential for safe operation.
The mains outlets intended to supply the unit, should either be close to the unit and easily
accessible to the user or the unit mains inlet should be easily accessible in the final installation.
!
WARNING. Correct mains polarity must always be observed. Ensure all live mains
connections are connected correctly.
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User Manual for DTVD-200 MPEG2 Decoder (6th Revision)
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Installation
Installation Within The UK
If supplied, the power lead for this unit is fitted with moulded connectors. The mains plug may
not suit the local mains outlet, in which case the fuse should first be removed from the plug, then
cut off the mains plug and destroy in order to minimise any risk of shock from the exposed leads
in the event that the plug be inserted into a live socket.
The wires of the power lead are colour coded as follows:
BROWN
BLUE
GREEN/YELLOW
LIVE
NEUTRAL
EARTH
A suitable plug should be wired to the power lead as follows:
Connect the BROWN wire to the terminal marked "L" or coloured brown or red.
Connect the BLUE wire to the terminal marked "N" or coloured blue or black.
Connect the GREEN/YELLOW wire to the terminal marked "E" or " "or coloured
green and yellow or green.
The plug fitted should contain a 3 amp fuse protecting the BROWN wire. Alternatively
the distribution circuit supplying the plug must be protected by a fuse or circuit breaker
of suitable rating.
Ensure that the cord grip tightly clamps the power lead outer sheath.
!
WARNING: This unit must be earthed.
Installation Outside The UK
If the power lead supplied has a UK style moulded on mains plug (identified by the marking
BS1363) the colour code of the wires within the lead is as follows:
BROWN
BLUE
GREEN/YELLOW
LIVE
NEUTRAL
EARTH
Ensure the relevant country wiring regulations are observed.
!
WARNING: This unit must be earthed.
!
WARNING. Correct mains polarity must always be observed. Ensure live mains
14
connections are connected correctly.
Broadcast Technology Limited
User Manual for DTVD-200 MPEG2 Decoder (6th Revision)
Operation
OPERATION
The MPEG2 Decoder is designed to be DVB compliant and decode video, and audio from a
transport.
Connection
Connection of the signals should be done whilst the unit is powered off. When connection is
completed, power can be applied and the equipment will start decoding. All connectors that are
provided with screw locks should be used to ensure that the connectors are mated correctly, and
will not be accidentally disconnected.
Mains Supply
The unit is powered by one IEC connector to 95-240 vac 50/60Hz mains supply. The mains plug
for UK installations must be fitted with a correctly rated fuse.
Status/Reset Port
A status port is provided with change over relays to indicate critical failure and non-critical
failure. These alarms operate as follows:
Non-Critical Failures :
Over temperature
PSU failed (either one when two are fitted)
Microprocessor failure
Critical Failures :
All PSUs failed
Front Panel LEDs
The front panel consists of Alarm (red) and Indicators (green) LEDs. These are described as
follows:
Power
Alarm
Temperature Alarm
Microprocessor
PSU Alarm
(Indicator)
(Alarm)
(Alarm)
(Alarm)
(Alarm)
Shows when unit is powered
Lights when any of the non-critical failures occur
Lit when chassis internal temperature is excessive
Lit when the microprocessor has failed
Lit when a PSU has failed
1st Priority Error
2nd Priority Error
3rd Priority Error
(Error)
(Error)
(Error)
Lit when 1st priority error has been detected
Lit when 2nd priority error has been detected
Lit when 3rd priority error has been detected
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User Manual for DTVD-200 MPEG2 Decoder (6th Revision)
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Operation
Front Panel Keyboard
All features are accessible via the front keyboard. Two buttons are provided for Service Up and
Down select. These will change the service going through the list of all those available. This
feature is available even whilst navigating the menus.
Menu selection is controlled by four cursor direction keys, a ENTER key and a ESCAPE key.
Menu access is started by pressing the ENTER key. This will bring up a menu both on the OSD
and LCD. The cursor is moved by the up/down keys and to select an option you use the ENTER
key. If there is a sub menu this will now be displayed. To go back, you use the ESCAPE key, this
will return up a menu level at a time until the menu is removed.
LCD Status Screens
Whilst the menus are not selected, the LCD will cycle through five status screens, these are:
• Service and Event name
e.g.
BBC NEWS 24
News and Weather
• Video Parameters
e.g.
VIDEO: 16:9 25Hz
704Hx576V
4:2:0
• Audio Parameters
e.g.
AUDIO: MPEG LAYER II
FREQ: 48kHz 256kB/s
• Bitrates
e.g.
BBC NEWS 24
RATE:
6.115MBits/s
• System Alarms
e.g.
SYSTEM ALARMS: 1
OVER TEMPERATURE
These 5 screens change every 5 seconds, but the user can scroll them using the left/right cursor
keys, some screens can then be scrolled vertically, these are indicated by a up/down arrow on the
LCD. When the user scrolls them, then the selected status screen will stay for one minute, after
which the screens revert back to 5 second intervals.
Note: The user can cancel this one minute delay by pressing the escape key.
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User Manual for DTVD-200 MPEG2 Decoder (6th Revision)
Operation
Menu Structure
MAIN MENU
SERVICE SELECTION
SELECT SERVICE
VIEW PROGRAM GUIDE
DECODER OPTIONS
SERVICE BITRATES
VIEW ELEMENTS AND BITRATE
NETWORK INFORMATION
VIEW TS AND DELIVERY INFORMATION
VIEW SDT/EIT (OTHER)
CURRENT VIDEO PARAMETERS
CURRENT AUDIO PARAMETERS
VIEW COMPONENT DESCRIPTOR
ERROR MONITORING
VIEW ERROR LOG
VIEW REPETITION RATE
VIEW CURRENT ERRORS
1ST PRIORITY ERRORS
2ND PRIORITY ERRORS
3RD PRIORITY ERRORS
SYSTEM ERRORS
VIEW OCCURRENCE OF ERRORS
SYSTEM CONFIGURATION
SERIAL COMMUNICATIONS
FLOW CONTROL
BAUDRATE
DISPLAY OPTIONS
ADJUST LCD CONTRAST
ADJUST OSD TRANSPARENCY
OSD DISABLE OPTIONS
SET CLOCK
SET DATE
IR PASSWORD
SELECT INPUT SOURCE
SELECT MONITOR TYPE
SET VIDEO STANDARD
VIEW SERIAL NUMBER & FIRMWARE REVISION
ALARM OPTIONS
SET TEMPERATURE ALARMS
SET TABLE REPETITION RATES
MAP ETR-290 ALARMS
DISABLE ETR-290 ALARMS
MAP OTHER ALARMS
SET OTHER ALARMS
SET NULL PACKET UPPER BITRATE
SET TS ID RANGE
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User Manual for DTVD-200 MPEG2 Decoder (6th Revision)
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Operation
Infra-Red Controller
An Infra-Red (IR) controller is available to make accessing menus more convient. The more
popular functions of the Decoder are available as one key presses which take you straight to the
more important menu screens. After that, menu navigation as normal is available, with the added
benefit of exiting all menus with one key press instead of the front panel method of exiting each
level of menu structure one at a time.
To avoid the problem of using several decoders mounted in the same rack, a IR password can be
set in the System Options menu. Each decoder can be set to respond as System 1 to 9, always
respond (default) or to never respond. If set to never, then the decoder will ignore any IR
command. The always setting, will respond to all IR commands.
If the decoder is set as a System 1 to System 9 then the decoder will only accept a IR command if
it sees System # command sent. (i.e. On the remote hold the System button and press a key 1 to
9). When this is done, any decoder matching this password will now accept any further IR
command, whilst those not matching will ignore any IR command until it sees a System #
command that matches its password. For this to work reliable, when sending a System #
command, all decoders need to be within the visual range of the IR controller.
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User Manual for DTVD-200 MPEG2 Decoder (6th Revision)
Serial Protocol
SERIAL PROTOCOL
The serial protocol used for the MPEG2 Decoder is RS232 utilising simple English commands to
retrieve or set information. Hardware flow control, RTS and CTS, is available and can be set to
none (default).
BAUD RATE:
DATA BITS
STOP BITS
PARITY
HANDSHAKING
38400
8
1
None
None or CTS/RTS
All commands sent and received are terminated with a carriage return, ASCII 13. All commands
sent must be upper case. Any command with parameters out of limits or unrecognised will result
in a reply of COMMAND_FAIL. Any attempt to send a serial command whilst a user is
accessing the unit via the front panel will return a reply of MANUAL_LOCKOUT.
Decoder Commands
SREQ?
Services Request
Returns a list of the available services.
Typical reply: *SERVICES: 01=BBC ONE 02=BBC TWO 03=BBC
CHOICE 04=BBC NEWS 24 05=BBC TEXT 06=BBC
PARLMNT
Note: If no services are available, then the reply will be *SERVICES: NONE
SSET
Service Set
Sets the decoder to change channels to the service entry number from above.
Typical command: SSET 3
PROV?
Provider Request
Returns a list of the service providers.
Typical reply: *PROVIDER: 01=BBC 02=BBC 03=BBC 04=BBC 05=BBC
06=BBC
Note: If no services are available, then the reply will be *PROVIDER: NONE
PREQ?
Programmes Request
Returns a list of the current programs.
Typical reply: *PROGRAMS: 01=Kilroy 02=Schools
03=Teletubbies 04=BBC News 06=House of Lords
Note: If no services are available, then the reply will be *PROGRAMS: NONE
SERCA?
Service CA Request
Returns a list of the services to indicate if they are Conditional access or clear.
Note: This information comes from PSI data and if sometimes a service may be
flagged as scrambled but the video and audio may clear
Typical reply: *SERCA: 000011 i.e. services 5 and 6 are marked as CA
Note: If no services are available, then the reply will be *SERCA: NONE
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User Manual for DTVD-200 MPEG2 Decoder (6th Revision)
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Serial Protocol
SERCOM?
Service Components Request
Returns a list of the component or elements of a service.
Typical command: SERCOM? 02
Typical reply: *SERCOM: 02 PMT=4227 PCR=0610 VID=0610
AUD=0611 AUD=0612 DAT=0613 OTH=0650 OTH=0651
OTH=0652 OTH=1008 OTH=1009 OTH=1010
Note: Service number to request can be found from SREQ? command
VIDPRM?
Current Video Parameters Request
Returns the video parameters encoded in the currently decoded video stream.
Typical command: VIDPRM?
Typical reply: *VIDPRM: 01 720x576 1 3 4:2:0 5
Typical reply: *VIDPRM: 01 NONE (when no parameters found for stream)
The first number is the service currently decoded and can be found from SREQ?
command. Next is the original resolution in pixels. Third is the aspect ratio where
1=4:3, 2=16:9 and 3=2.21:1. The fourth number is frame rate where
0=Forbidden, 1=23.976Hz, 2=24Hz, 3=25Hz, 4=29.97Hz, 5=30Hz, 6=50Hz,
7=59.94Hz, 8=60Hz. Next is the chroma format either 4:2:0 or 4:2:2. The last
number is the active format where 0=As coded in the stream, 1=4:3, 2=16:9,
3=14:9, 4=Reserved, 5=4:3 (Shoot & Protect 14:9), 6=16:9 (Shoot & Protect
14:9, 7=Shoot & Protect 4:3
AUDPRM?
Current Audio Parameters Request
Returns the audio parameters encoded in the currently decoded audio stream.
Typical command: AUDPRM?
Typical reply: *AUDPRM: 02 48 256 0 2
Typical reply: *AUDPRM: 02 NONE (when no parameters found for stream)
The first number is the service currently decoded and can be found from SREQ?
command. Next is the sampling frequency in kHz. Third is the bitrate in kBits/s.
The fourth number is mode where 0=Stereo, 1=Joint Stereo, 2=Dual, 3=Mono.
The last number is MPEG layer either 1 or 2.
MONTR
Monitor Select
Sets the monitors size/aspect ratio. (1= 4:3 Full Screen, 2=4:3 Letterbox, 3=16:9)
Typical command: MONTR 2
INPUT
MPEG2 Source Select
Sets the input source. (0= LVDS, 1=ASI Copper, 2=ASI Fibre Optic[if available])
Typical command: INPUT 0
INPUT?
MPEG2 Source Request
Return the input source. (see above)
Typical reply: *INPUT: 0
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User Manual for DTVD-200 MPEG2 Decoder (6th Revision)
Serial Protocol
General Commands
IDN?
VER?
Get Identification
This command returns the manufacturers name, and product.
Typical reply: *IDN: BROADCAST TECHNOLOGY LTD,
MPEG2 DECODER
DTVD-200
Get Firmware version
This command returns the current firmware and version of the software fitted.
Typical reply: *VER: FW0686,09
VERCPLD? Get CPLD Firmware version
This command returns the current CPLD firmware and version of the
motherboard controller.
Typical reply: *VERCPLD: FW00693,03
SER?
Get Serial Number
Returns the units serial number, always 9 characters long.
Typical reply: *SERIAL: DV200442
TIME
Set Time of Day
Sets the Real Time Clock.
Typical command: TIME 12:34:56 (i.e. 12H 34M 56S)
TIME?
Returns Time of Day
Returns the current time of day.
Typical reply: *TIME: 22:07:13 (i.e. 22H 07M 13S)
DATE
Sets Date
Sets the day of the week and the date.
Typical command: DATE FRI 01/06/01 (i.e. Friday 1st June 2001)
DATE?
Returns the Date
Returns the current date.
Typical reply: *DATE: SAT 02/06/01 (i.e. Saturday 2nd June 2001)
TEMP?
Returns the Internal Temperature
Returns the internal ambient temperature. (The data is always right justified)
Typical reply: *TEMP:
28.75C (i.e. 28.75 degrees Celsius)
Typical reply: *TEMP: -100.00C (i.e. -100.00 degrees Celsius)
DEF
Set Defaults
Restore the defaults values for user settings for the unit.
Command: DEF
All user settings are restored are: e.g Input source, monitor type, OSD
transparency, LCD contrast and temperature alarm limits.
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Serial Protocol
Alarm Commands
ALARM?
Alarms Request
Returns a string showing the condition of the power supplies and temperature.
0=OK, 1=Fail, X=Not Fitted
Order: PSUA +5V, PSUA +12V, PSUB +5V, PSUB +12V, Over Temperature,
Under Temperature
Typical reply: *ALARMS: 0,1,X,X,1,0
(i.e. PSUA +12V Failed, PSUB not fitted and over temperature alarm)
TEMPLO
Sets Low Temperature Alarm Limit
Sets the limit to which a Under Temperature Alarm will activate.
Limits are -25 to 10. Default is 0.
Typical command: TEMPLO -15 (i.e. Limit is set to alarm below -15°C)
TEMPHI
Sets High Temperature Alarm Limit
Sets the limit to which a Over Temperature Alarm will activate. This alarm will
also light the temperature LED on the front panel.
Limits are 25 to 125. Default is 70.
Typical command: TEMPHI 85 (i.e. Limit is set to alarm above 80°C)
ALMAP
Sets the Alarm Port Mapping for ETR-290 Errors
Sets the mapping of the alarm port. The first number is the error to be mapped
(00 to 20) and the second number is the alarm output (00 to 09).
Typical command: ALMAP 00 09 (i.e. Map TS Sync Loss to relay output)
Error Number
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
22
Error
TS Sync Loss
Sync Byte
PAT
PMT
Continuity Count
PID
Transport
CRC
PCR
PCR Accuracy
PTS
CAT
SI Repetition
Unreferenced PID
NIT
SDT
EIT
RST
TDT
SI (Other)
NIT (Other)
Alarm Number
00
01
02
03
04
05
06
07
08
09
Alarm Output
None
Alarm Output 1
Alarm Output 2
Alarm Output 3
Alarm Output 4
Alarm Output 5
Alarm Output 6
Alarm Output 7
Alarm Output 8
Alarm Relay
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User Manual for DTVD-200 MPEG2 Decoder (6th Revision)
Serial Protocol
ALMAP?
Gets the Alarm Port Mapping for ETR-290 Errors
Gets the mapping of the requested alarm. (see ALMAP command for error and
alarm output numbers)
Limits are 00 to 20.
Typical command: ALMAP? 00 (i.e. Get mapping for TS Sync Loss)
Typical reply: *ALMAP: 00 09 (i.e. TS Sync Loss is mapped to relay output)
ALDIS
Sets the Alarm Disabling for ETR-290 Errors
Sets the disabling of alarms. (see ALMAP command for error numbers)
19 digits are required starting with TS Sync Loss, 0 = enabled, 1 = disabled.
Typical command: ALDIS 000010000010000000000
(i.e. Continuity Count and PTS are disabled)
ALDIS?
Gets the Alarm Disabling for ETR-290 Errors
Gets the mapping of the requested alarm. (see ALMAP command for error
numbers)
14 digits are returned staring with TS Sync Loss.
Typical command: ALDIS?
Typical reply: *ALDIS: 000010000110010000000
TABLIMIT Sets the Table Repetition Limits
Sets a range of limits for the SI table repetition alarming.
ETR-290 limits = 0, DVB-UK Relaxed limits = 1
Typical command: TABLIMIT 0 (i.e. standard ETR-290)
TABLIMIT? Gets the Table Repetition Limits
Gets the range of limits for the SI table repetition alarming as above
Typical command: TABLIMIT?
Typical reply: *TABLIMIT: 1
OTHMAP
Sets the Port Mapping for Other Alarms
Sets the mapping of the alarm port. The first number is the other alarms to be
mapped (00 to 01) and the second number is the alarm output (00 to 09), see
ALMAP command for alarm output numbers.
Typical command: OTHMAP 00 09 (i.e. Null Packet Alarm to relay output)
Note:
Other Alarms
Alarm
00
Null Packet Bitrate
01
TS ID Out of Range
The number of Other Alarms may increase with future revisions of software. Any
existing Alarm number will stay the same.
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Serial Protocol
OTHMAP?
Gets the Port Mapping for Other Alarms
Gets the mapping of the requested other alarms. (see OTHMAP command for
alarm numbers and ALMAP command for alarm output numbers.
Limits are 00 to 01.
Typical command: OTHMAP? 00 (i.e. Get mapping for Null Packet Bitrate)
Typical reply: *OTHMAP: 00 09 (i.e. Null Packet Bitrate is mapped to relay
output)
NULLUP
Sets the Upper Bitrate Limit for Null Packets
An upper limit in Bits/sec for Null packets. When set correctly, it may be possible
to determine whether a service is missing, hence an increase in Null packets.
This error must be mapped to the alarm outputs as it is not mapped as default.
Limit is between 312,500 and 80,000,000 in multiples of 312,500, and must have
leading zeros if less than 8 digits i.e. 312500 must be 00312500.
Typical command: NULLUP 08437500
NULLUP?
Gets the Upper Bitrate Limit for Null Packets
Command returns upper limit in Bits/sec for Null packets.
Typical command: NULLUP?
Typical reply: *NULLUP: 08437500
TSIDUP
Sets the Upper Limit for TS ID Range Checking
Sets an upper limit in decimal for the TS ID range checking. This error must be
mapped to the alarm outputs as it is not mapped as default. Can be used to
determine whether a network is sending the wrong TS.
Limit is between 0 and 65535. This limit must be the same or more than the
Lower Limit set by the TSIDLO command
Typical command: TSIDUP 4372
TSIDLO
Sets the Lower Limit for TS ID Range Checking
Sets a lower limit in decimal for the TS ID range checking. This error must be
mapped to the alarm outputs as it is not mapped as default.
Limit is between 0 and 65535. This limit must be the same or less than the
Upper Limit set by the TSIDHI command
Typical command: TSIDLO 4225
TSIDUP?
Gets the Upper Limit for TS ID Range Checking
Gets the upper limit in decimal for the TS ID range checking.
Typical command: TSIDUP?
Typical reply: *TSIDUP: 4372
TSIDLO?
Gets the Lower Limit for TS ID Range Checking
Gets the upper limit in decimal for the TS ID range checking.
Typical command: TSIDLO?
Typical reply: *TSIDLO: 4225
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Serial Protocol
Monitoring Commands
LLOG?
Last Error Log Request
Returns a string showing the last error log. The string consist of 5 parts, the log
number which counts from 0 to 9999 and wrap to zero again, followed by the time
stamp, and the date stamp. Then a test message indicating the error and finally a
PID number if applicable to the error.
Typical reply:
*LASTLOG: 0378 09:29:59 17/03/00 PID MISSING
00623
(i.e. Error 0378, Missing PID 0623)
Note: the text string is always 30 characters long.
LOG?
Specific Error Log Request
Returns a string showing the requested error log. The string consist of 6 parts, the
number of the last log, the requested log number both of which count from 0 to
9999 and wrap to zero again, followed by the time stamp, and the date stamp.
Then a test message indicating the error and finally a PID number if applicable to
the error.
Typical command: LOG? 0350
Typical reply:
*LOG: 0378 0350 09:22:34 17/03/00 Cont. Count:Lost Packet
00992
(i.e. Last error detected is 0378, we requested error 350)
Note: the text string is always 30 characters long, and you can only request errors
up to 50 before the last log number, INVALID_DATA response will be returned.
LOGNO?
Last Log number Request
Returns a string showing the last log number. This is a simple way of determing
whether any new logs have been recorded.
Typical reply: *LOGNO: 0378
BITSER?
Get Service Bitrates
This command returns the bitrates for all services in Bits/sec.
Typical command: BITSER?
Typical reply: *BITSER: 01=05328480 02=05308896 03=05085312
04=04959648 05=00773568 06=0023664
BITSI?
Get SI Bitrate
This command returns the bitrate for the total SI PID Packets in Bits/sec.
Typical command: BITSI?
Typical reply: *BITSI: 00127296
BITNUL?
Get Null Packet Bitrate
This command returns the bitrate for Null Packets in Bits/sec.
Typical command: BITNUL?
Typical reply: *BITNULL: 02908244
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Serial Protocol
BITPID?
Get PID Bitrate
This command returns the bitrate for requested PID in Bits/sec.
Typical command: BITPID? 0621
Typical reply: *BITPID: 0621 06310456
PIDIGR
Set Up PID Ignore
This command allows a user to mask out certain PIDs that are known to be
causing errors. This can be used to reduce the ammount of errors logged.
PID ranges are 32 to 8191. Using PID 0000 will reset the decoder so that it no
longer ignores any PIDs. Up to 128 PIDs can be ignored, but these are not
restored on power loss.
Typical command: PIDIGR 0621 (Decoder will ignore PID 0621)
Typical command: PIDIGR 0000 (Reset the list of PIDs to ignore)
OCCUR?
Get Occurances of ETR-290 Errors
This command returns the occurrences of the ETR-290 errors. These fields are in
the same order as the alarm table for ALMAP command. i.e. the first is TS Sync
Loss, the second is Sync byte etc. Each count will go up to 9999 and wrap to
0000. This is useful for statistical analysis of errors.
Typical command: OCCUR?
Typical reply: *OCCUR: 0000 0000 0002 0304 0070 1685 0000
0000 0002 0000 0000 0000 0102 0000 0004 0093
0001 0000 0001 0000 0000
OCCRST
Reset the Occurances of ETR-290 Errors
This reset the counts of occurrences of the above command.
Typical command: OCCRST
REPRATE? Get Repetition Rates of SI Tables
This command returns the repetition rates in milliseconds of the SI tables and
PCR of the current decoded video. These fields are in the same order as they
appear on the OSD and LCD which are: PAT, CAT, PMT, NIT, NIT (Other),
SDT, SDT(Other), BAT, EIT, EIT(Other), RST, TDT, TOT, PCR. These values
are a typical snapshot of the last table found.
Typical command: REPRATE?
Typical reply: *REPRATE: 000095 001000 000035 010315 NOTFND
001765 004985 NOTFND 000030 000070
NOTFND 000015 000980 000035
i.e. (NIT Other, BAT and RST are not found)
Note: RST is not supported in the current version
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Serial Protocol
REPLATE? Get Repetition Rates Late Flags of SI Tables
This command returns a string of flags to indicate when a SI table is late or
overdue. The command above only returns the time interval between tables and
does not show when a table has ceased. The flags are the same order as the
REPLATE? command and a ‘1’ indicates the table is late.
Typical command: REPLATE?
Typical reply: *REPLATE: 01001001001000
i.e. (CAT NIT Other, BAT and RST are late/overdue)
Note: RST is not supported in the current version
TSID?
Get the Transport Stream ID number
This command returns the transport stream unique ID number.
Typical command: TSID?
Typical reply: *TSID: 1093
Diagnostic Commands
PTS
Set PTS Syncronising ON (default) or OFF
This command allows the user to disable the PTS (Presentation Time Stamp)
synchronising to maybe better understand a fault with a transport stream. If the
video has a regular glitch when PTS is set to on but is OK when set to off, it
implies that the PTS values in the stream have large errors or discontinuities.
Note: Video and audio synchronising (i.e. lip-sync) will be lost when PTS is set to
off.
Typical command: PTS OFF
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Software Updating
SOFTWARE UPDATING
The unit has the ability to be upgraded in the field quickly and easily using the serial port. A
command is given to set the unit into reprogram mode, then the new software can be downloaded
using a commonly available serial communication package such as Windows HyperTerminal.
Once completed, the unit will reset and proceed as normal, with the new software.
Sequence of events
•1
First send the download command via the serial port to initiate the unit, DLOAD*
The unit will reset and start up in a special mode. The LCD will say
‘ERASING FLASH PROM’ for a few seconds the say ready for download.
•2
Using something like Windows HyperTerminal, the flow control must be set to
Hardware or RTS/CTS. From the menu, select TRANSFER, then SEND TEXT
FILE. Browse for the new software Intel Hex file (something like
FW068603.HEX).
The unit will now program itself with the new software. Any errors will be sent
back to the user via the LCD and serial port.
•3
When the file has downloaded completely, typically 5 minutes, the unit will reset
automatically and start up as a MPEG2 decoder again.
Problems and Trouble Shooting
The unit is reporting back CHECKSUM and/or BAD RECORD errors
Providing the Intel Hex file is not corrupted, the serial communications may be corrupted
possibly due to too longer cable length. Use good quality cable which is screened. Do not use
IDC ribbon/flat cable and connectors.
If this happens, the unit will not reset at the end of the programming. Re-transmit the entire file
again.
The unit lost power before it was programmed
If this happens, the unit will reboot in download mode again and expect the file to be re-sent.
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User Manual for DTVD-200 MPEG2 Decoder (6th Revision)
Error Monitoring
ERROR MONITORING
The following error monitoring is taken from the recommendations of the European
Telecommunications Standards Institute Report, called ETR 290. Any errors or part of which are
not supported by the present design are dark greyed out. The log message is in brackets
1st Priority Errors
These are errors likely to indicate a failure to decoder the services.
TS Sync Loss
A transport stream is preceded by a 4 byte header. The first of which is the synchronisation byte,
or sync byte which has the hexadecimal value of 0x47. DVB recommends that 5 consecutive
bytes are required to synchronise, and 3 consecutive bytes must be lost to lose synchronisation.
TS SYNC LOSS is
• The content of the sync byte is not 0x47 for a sequence of 3 packets.
Sync Byte Error
A transport stream is preceded by a 4 byte header. The first of which is the synchronisation byte,
or sync byte which has the hexadecimal value of 0x47. If any of the sync byte is not equal to
0x47 then a sync byte error occurs
SYNC BYTE ERROR is
• The content of the sync byte is not 0x47. (Sync Byte Missing)
PAT Error
The PAT (Program Association Table) contains a list of all programs and PID in the Transport
Stream and of associated PMTs (Program Map Tables). If a PAT is unavailable or contains
errors, the MPEG2 decoder will not be able to decode a program from the Transport Stream
The PAT is transmitted in packets with PID 0x0000. The table may be divided into 1 to 256
section with a table index of each section being 0x00.
PAT ERROR is
• PAT table index does not equal 0x00 (PAT Table ID)
• PAT is transmitted in encrypted form (PAT Scrambled)
• PAT is not transmitted at least every 0.5 seconds (PAT Upper Distance)
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Error Monitoring
PMT Error
The PMT (Program Map Table) provides detailed program information. It contains all the PIDs
of all individual video, audio and data streams (elementary-stream PIDs) and the PIDs of packets
serving for the transmission of PCR values. If PMT is not available or contains errors then the
MPEG2 decoder will not be able to decode a program from the Transport Stream
The PMT can be transmitted in packets with PIDs ranging from 0x0010 to 0x1FFE. The table
may be divided into 1 to 256 section with a table index of each section being 0x02.
PMT ERROR is
• PMT table index does not equal 0x02 (PMT Table ID)
• PMT is transmitted in encrypted form (PMT Scrambled)
• PMT is not transmitted at least every 0.5 seconds (PMT Upper Distance)
Continuity Count Error
A transport stream is preceded by a 4 byte header. The forth byte contains a 4 bit continuity
counter. The count is increased by one for every packet of the transport stream that has the same
PID. The count can consist of values ranging from 0 to 15, after 15 it starts again from 0
(modulo-16 counter). This counter is used to recognise packets that are missing or repeated more
than once.
The MPEG2 standard also tolerates counter discontinuity, providing the discontinuity indicator
is set the optional adaptation field (AF) of the same packet.
The Null packets, packets which do not contain any useful data and have a PID of 0x1FFF are
not checked for continuity as it is now defined in the MPEG2 standard.
CONTINUITY COUNT ERROR is
• The same packet has been transmitted more than twice without discontinuity indicator (Cont.
Count: More Than Twice)
• A packet is missing, i.e. new count = old count + 2 without discontinuity indicator (Cont.
Count: Lost Packet)
• There is a wrong sequence of packets, discontinuity without discontinuity indicator, without
the above conditions present (Cont. Count: Packet Order)
PID Error
The PMT (Program Map Table) reveal the elementary streams that are within the Transport
Stream. To decode a program with the corresponding PID, these packets must exist and be
transmitted within certain intervals. The DVB Measurement Guidelines (ETR-290) state a user
specified period. In this decoder, that period has been set at 1 second.
PID ERROR is
• The interval between two elementary streams of the same PID is > 1 second (PID Missing)
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Error Monitoring
2nd Priority Errors
These are usually errors which give a general indication of any system level problems that arise.
Transport Error Indicator
The first bit of the second byte in every Transport Stream packet is the Transport Error Indicator.
This is used to indicate that the following packet has errors. This flag is generated by the Viterbi
or Reed-Solomon decoder at the receiver end if the decoder is unable to correct all bit errors
itself.
Because the contained bit errors cannot be predicated, any packet with the Transport Error
Indicator set are ignored apart from video and audio elementary streams, which this MPEG2
decoder will attempt to decode.
TRANSPORT ERROR is
• A Transport Error Indicator bit is set in the packet header (Transport Error Indicator)
CRC Error
Program Specific Information (PSI Tables) such as PAT, CAT, PMT, NIT, EIT, BAT, TOT,
TDT is transmitted, a value for checking the check sum is inserted at the end of the section. A
CRC (Cyclic Redundancy Check) is used for calculating the check sum. Combined with the
additional transmitted checksum, the value must be zero.
CRC ERROR is
• A packet with PAT, CAT, PMT, NIT, EIT, BAT, SDT, TOT or TDT whose CR check does not
equal zero (CRC in ???)
PCR Error, PCR Accuracy
Coded system times are transmitted in the Transport Stream to enable a MPEG2 Decoder to
synchronise its own timing to the system timing of the encoder. Each program may have its own
independent program system timing. The PMT reveal which packets contain the PCR (Program
Clock Reference) values.
PCR ERROR is
• The difference of two consecutive PCR values of a program > 100mS (PCR Value Error)
• The time interval between two PCRs of a program received > 40mS (PCR Interval Error)
Note: PCR error is only available for the currently decoded service
PCR ACCURACY is
• The PCR tolerance within a program > ±500nS (PCR Accuracy Error)
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Error Monitoring
PTS Error
Presentation Time Stamps (PTS values) are transmitted in the Transport Stream packets. They
allow the MPEG2 Decoder to identify the exact time when a transmitted data block (TV picture
for video streams and beginning of audio sequence for audio streams) is to be presented
PTS ERROR is
• The difference of two consecutive PTS values > 700mS (PTS Error)
CAT Error
If encrypted data is contained in a packet of the Transport Stream, this must be indicated by the 2
bit Transport Scrambling Control in the packet header (2nd Byte). If encrypted data are
transmitted then the additional CAT (Conditional Access Table) is required.
The CAT is transmitted in PID 0x0001 with table ID of 0x01.
CAT ERROR is
• A packet contains encrypted data, but no CAT is found (CAT Not Found)
• A CAT is found but table index does not equal 0x01 (CAT Table ID)
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User Manual for DTVD-200 MPEG2 Decoder (6th Revision)
Error Monitoring
3rd Priority Errors
These errors are mainly to do with the DVB application of the MPEG coding and multiplexing
system.
SI Repetition
The DVB standard defines minimum and maximum intervals for the repetition of individual
packets and complete tables containing service information.
Table
PAT
CAT
PMT
NIT
SDT
BAT
EIT
RST
TDT
TOT
MAX (Complete Table)
0.5s
0.5s
0.5s
10s
2s
10s
2s
10s
30s
30s
MIN (Individual Sections)
25mS
25mS
25mS
25mS
25mS
25mS
25mS
25mS
25mS
25mS
SI REPETITION ERROR is
• Time difference between SI table too long (SI Rep:??? Upper Distance)
• Time difference between SI table too short (SI Rep:??? Lower Distance)
Note: PMTs and RST are not measured at present
NIT, SDT, EIT, RST and TDT Error
These Service Information (SI) contain a wide range of data such as time and date to names of
programs. Each is transmitted within its own PID number and must sent within a certain time
interval.
Service Info
NIT
SDT
EIT
PID (hex)
0x0010
0x0011
0x0012
RST
TDT
0x0013
0x0014
Table Id (hex)
0x40, 0x41, 0x42
0x42, 0x46
0x4E to 0x4F,
0x50 to 0x6F
0x71
0x70
Max. Interval (sec)
10
2
2 (1)
30
(1) For the current TS
NIT, SDT, EIT, RST and TDT ERROR is
• Wrong table index for SI table (??? Table ID)
• Time difference between SI tables too long
Note: RST is not measured at present
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Error Monitoring
System Errors
These errors are to do with the physical condition of the units hardware.
Internal Temperature :
The upper and lower temperature limits are set in the Alarm menu options.
PSU A +5v :
The operating voltage of PSUA +5v rail.
PSU A +12v :
The operating voltage of PSUA +12v rail.
PSU B +5v (if fitted) :
The operating voltage of PSUB +5v rail.
PSU B +12v (if fitted) :
The operating voltage of PSUB +12v rail.
Error Log
An error log is available which displays the time any of the above errors occurred along with a
text description and the PID number the error occurred in. The last 50 errors are stored, and can
be scrolled through using the up/down cursor keys. A scroll bar is available on the right of the
log to indicate where in the log the user is viewing. The last error detected in the log can be
retrieved via the serial port.
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User Manual for DTVD-200 MPEG2 Decoder (6th Revision)
Error Monitoring
Alarm Mapping
The unit has a dedicated Alarm port which has 8 open collector outputs and a change over relay.
Every 1st and 2nd Priority errors plus SI repetition rates and unreferenced PID from the 3rd
priority errors can be mapped to any other the alarm ports.
This mapping is set by serial commands or by the Alarm menus. Any number of errors can be
mapped to the same alarm output, as they are processed as logic OR.
The unit is set the following defaults:
Error
TS Sync Loss
Sync Byte Error
PAT Error
PMT Error
Continuity Count Error
PID Error
Transport Error
CRC Error
PCR Error
PCR Accuracy
PTS Error
CAT Error
SI Repetition Error
Unreferenced PID
Default Mapping
Alarm Relay
Alarm 1
Alarm 2
Alarm 2
Alarm 3
Alarm 4
Alarm 5
Alarm 6
Alarm 7
None
None
None
Alarm 8
None
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Pin-Outs
PIN OUTS
The pin out for the rear panel connectors are as follows:-
LVDS SPI Input [25 way D-type Socket]
Pin
Description
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
CLK A
0V
DA7
DA6
DA5
DA4
DA3
DA2
DA1
DA0
DVALIDA
PSYNCA
0V
CLKB
0V
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
DVALIDB
PSYNCB
Status Port [9 way D-type Socket]
36
Pin
Status
1
2
3
4
5
6
7
8
9
GND
Critical Fail (COMMON)
Alarm (NO)
Alarm (NC)
NC
Critical Fail (NO)
Critical Fail (NC)
Alarm (COMMON)
NC
Broadcast Technology Limited
User Manual for DTVD-200 MPEG2 Decoder (6th Revision)
Pin-Outs
RS232 Port [9 way D-type Socket]
Pin
Status
1
2
3
4
5
6
7
8
9
NC
TXD
RXD
NC
GND
NC
CTS
RTS
NC
Audio Analogue Outputs x2 [XLR Plugs]
Pin
Description
1
2
3
4
GND
LINE +
LINE GND
Audio Digital Outputs [XLR Plugs]
Pin
Description
1
2
3
4
GND
+
GND
Broadcast Technology Limited
User Manual for DTVD-200 MPEG2 Decoder (6th Revision)
37
Pin-Outs
Alarm Output [15 way D-type Socket]
Pin
Description
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
RELAY (N.O.)
RELAY (N.C.)
ALARM 1
ALARM3
COMMON (Alarms 1-4)
ALARM 6
ALARM 8
GND
RELAY (Common)
NC
ALARM 2
ALARM 4
ALARM 5
ALARM 7
COMMON (Alarms 5-8)
The relay is a change over relay. Alarm outputs 1 to 8 are open collector
with the emitters tied in groups of four
For typical operation COMMON (Alarms 1-4) and COMMON (Alarms 5-8) can be connected
together and connected to GND.
38
Broadcast Technology Limited
User Manual for DTVD-200 MPEG2 Decoder (6th Revision)
General Specification
GENERAL SPECIFICATION
PARAMETERS
PHYSICAL
Case
Weight
Width
Height
Depth (behind front panel – excluding cables)
Handle Protrusion (from front panel)
ENVIRONMENTAL
Storage Temperature
Operating Temperature
AC POWER
Voltage
Frequency
SPI LVDS INPUT
Impedance
Input Signal Amplitude
Rise/Fall Time (20-80%)
Cable Length
ASI COPPER INPUT
Impedance
Transmission Rate
Input Signal Amplitude (p-p)
Return Loss
Cable Length
ASI OPTICAL INPUT
Operating Wavelength
Transmission Rate
Optical Power
TS DATA INPUT
Data Rate
COMPOSITE VIDEO OUTPUT
Hue Accuracy
Color Saturation Accuracy
Differential Gain
Differential Phase
SNR RMS (Unwgtd 100 IRE Y Ramp Tilt Correct)
Luminance Nonlinearity
SDI VIDEO OUTPUT
Transmission Rate
Output Signal Amplitude (p-p)
Jitter
ANALOGUE AUDIO OUTPUT
Signal to Noise Ratio (Weighted)
Crosstalk @1kHz
Crosstalk @10kHz
Harmonic Distortion
AES/EBU DIGITAL AUDIO OUTPUT
Impedance
Output Signal Amplitude (peak to peak)
MPEG DECODER
Video Decoder
Audio Decoder
RS232 SERIAL COMMUNICATION PORT
Baud Rate
Baud Rate Accuracy
Maximum Cable Length
ALARM PORT OUTPUTS
Absolute Max. voltage
Absolute Max. current
STATUS PORT CHANGE OVER RELAYS
Absolute Max. voltage
Absolute Max. current
MIN
TYPICAL
MAX
UNITS
483.8
-
1RU 19 inch Rack
3.2
484
44
340
40
484.2
-
kg
mm
mm
mm
mm
-20
0
-
+70
+40
˚C
˚C
95
50
-
240
60
Vac
Hz
250
-
100
350
<T/7, where T = clock period
-
450
50
Ω
mV
m
720
15
-
75
270
800
-
880
100
Ω
Mbits/s
mV
dB
m
1270
-26
1325
270
-
1380
-14
nm
Mbits/s
dBm
-
-
50
Mbits/s
-
1.5
1.5
1.0
1.0
60
2
-
±°
±%
% p–p
° p–p
dB RMS
%
-
270
800
400
-
Mbits/s
mV
pS
-
-95
-105
-88
-80
-
dB
dB
dB
dB
2
75 or 110
-
7
Ω
V
MP@ML and 422P@ML
MPEG1/2/Dolby AC-3
-
9600,14400,19200,28800,38400
-
20
15
bits/s
%
m
-
-
30
1000
V
mA
-
-
50
500
V
mA
Broadcast Technology Limited
User Manual for DTVD-200 MPEG2 Decoder (6th Revision)
39
General Specifications
CONNECTORS
1 or 2 Mains Input Connectors (IEC) 95-240V AC 50/60Hz
ASI Copper Input (BNC Female)
ASI Fibre Optic Input (Type SC) †
Composite Video Output (BNC Female)
SDI Video Output (BNC Female)
2x Analogue Audio Outputs (XLR Male, Left and Right Channels)
Digital Audio EBU Output 110Ω (XLR Male)
Digital Audio EBU Output 75Ω (BNC)
RS232 Serial Communications (9 Way D Connector Female)
Alarm Output (15 Way D Connector Female)
Status/Reset Port (9 Way D Connector Female)
† Optional extra
Broadcast Technology Ltd
Sopwith Park, West Portway Industrial Estate
Andover, Hampshire, SP10 3TS, England
Broadcast Technology Ltd. reserves the right to change specification for this product in any manner
without notice.
Copyright  2001
40
Broadcast Technology Limited
User Manual for DTVD-200 MPEG2 Decoder (6th Revision)
Annex A Compliance
ANNEX A COMPLIANCE
Safety
This equipment has been designed and tested to meet the requirements of the following:
BS EN60950 European
1992
(Harmonised)
Safety of information technology equipment
including electrical business equipment. Includes
amendments A1,A2,A3,A4 and A11.
UL 1950
Third Edition 1997
Safety of information technology equipment
including electrical business equipment.
USA
EMC
This equipment has been type-tested and conforms to the current European EMC regulations.
When tested, the equipment was operated with all cables attached. Mating connectors were of the
fully screened variety and, where practical, the cables were double screened, with the screens
bonded to connector bodies at each end of their respective cables.
When this equipment is installed as part of a larger system, it is the responsibility of the system
provider to ensure that EMC regulations continue to be met.
Suggested cable types:
75 ohm video (BNC connectors):
Equivalent to BBC No.PSF1/3M
BICC TM3304
BRAND REX GT851
Twisted Pair Audio/Digital:
Canford Audio FST
Belden 8451
Alpha 2461
Data Cables:
Belden 9829 (2 pair)
BICC H9589 (4 pair)
Brand Rex BE57901
Broadcast Technology Limited
User Manual for DTVD-200 MPEG2 Decoder (6th Revision)
41
Annex C : Customer Report
ANNEX B CERTIFICATIONS AND COMPLIANCE’S
Safety Standards
Category
Description
U.S. Nationally Recognised Testing
Laboratory Listing
UL1950 Third edition 1997
Canadian Certification
CAN/CSA-22.2 No. 950-95
European Union Compliance
Low Voltage Directive 73/23/EEC, Amended by 93/68/EEC
EN60950 (Class I): 1992 Electrical Safety. Includes amendments A1,A2,A3,A4,
and A11.
EMC Standards
Category
Description
EC Declaration of Conformity – EMC
Meets intent of Directive 89/336/EEC for Electromagnetic Compatibility.
Compliance was demonstrated to the following specifications as listed in the
Official Journal of the European Communities:
EN50081-1 Emissions:1
EN 55022
EN60555-2
Class B Radiated and Conducted Emissions
AC Power Line Harmonic Emissions
EN50082-1 Immunity:1
IEC 801-2
IEC 801-3
IEC 801-4
IEC 801-5
Electrostatic Discharge Immunity
RF Electromagnetic Field Immunity
Electrical Fast Transient/Burst Immunity
Power Line Surge Immunity
1
High-quality shielded cables must be used to ensure compliance.
FCC Compliance
Emissions comply with FCC Code of Federal Regulations 47, Part 15, Subpart
B, Class A Limits2
2
High-quality shielded cables must be used to ensure compliance.
FCC Information
This device complies with part 15 of the FFC Rules.
Operation is subject to the following two conditions: (1) This device may not
cause harmful interference, and (2) this device must accept any interference
received, including interference that may cause undesired operation.
WARNING: The user must install the system as per manufacturers instructions
(section ΙΙΙ), to comply with the requirements of FCC.
EC Declaration of Conformity – Low
Voltage
Compliance was demonstrated to the following specification as listed in the
Official Journal of the European Communities:
Low Voltage Directive 73/23/EEC
EN60950 (Class I): 1992 Electrical Safety. Includes amendments A1,A2,A3,A4,
and A11.
Approvals
UL1950 Third Edition 1997
CAN/CSA-22.2 No. 950-95
42
Broadcast Technology Limited
User Manual for DTVD-200 MPEG2 Decoder (6th Revision)
Annex B - Certification and Comliance’s
BROADCAST TECHNOLOGY LIMITED
Sopwith Park, West Portway Industrial Estate
Andover, Hampshire SP10 3TS
:+44 (0)1264 332633 :+44(0)1264 334509
E-Mail support@btl.uk.com
VAT No. GB/474 44 36 32
ANNEX C - CUSTOMER REPORT
Company:
Address:
Contact name (person(s) responsible):
Customer Reference:
Telephone No:
Fax:
Date:
E-Mail:
Delivery address upon despatch of good(s), to be completed if different from above;
* Note - upon returning goods packaging must be suitable for professional electronic
equipment.
Where possible please ship via “Emery Worldwide” our import-clearing agent.
Contact name:
Address:
In the event of any fault occurring please copy, complete and return Customer
and Fault Reports to Broadcast Technology Ltd at the above address.
For internal use only;RN no:
Date received:
Checked for rework by:
Remedial action taken:
Approx. cost of repair:
Approx. time taken:
Date returned:
Broadcast Technology Limited
User Manual for DTVD-200 MPEG2 Decoder (6th Revision)
43
Annex D Fault Report
ANNEX D - FAULT REPORT FORM
Broadcast Technology Ltd Returns Number :
Type:
Serial No:
Del. Date:
Please tick appropriate box(s)
Nature of Fault:
Software
Hardware
Software used (if known):
Configuration:
Appearance of Failure:Systematic
When Hot
When Cold
Intermittent
Description of fault:
What do you think is the cause of the fault?:
Comments:
Customers signature:
Date:
(Engineer reporting fault)
DETAILED COMMENTS: (If necessary, please add more details on a separate sheet).
44
Broadcast Technology Limited
User Manual for DTVD-200 MPEG2 Decoder (6th Revision)