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Gateway Training Workshop
Module Two
Advanced Gateway Operations
Audio Control Units (ACU)
OEC/ICTAP
Office of Emergency Communications / Interoperable Communications Technical Assistance Program
Patrick Kempker
Gateway Instructor
OEC/ICTAP
kempker@nosc.mil
(619) 553-5172
Glossary
COR/COS
CPM-2/4/6
DTMF
DSP
DSP-1/2/2IP
Extension
Carrier Operated Relay/ Carrier Operated Squelch - A receiver
signal that gives a positive indication a carrier or signal is being
received and the receiver is unsquelched.
Control Processor Module - This ACU module controls all aspects of
system operation.
Dual Tone Multi Frequency - The standard touch-tone telephone
dialing method sends DTMF characters over the Public Switch
Telephone Network (PSTN) line.
Digital Signal Processing (or Processor).
The Digital Signal Processor Module, the main radio interface of the
ACU-1000 system. DSP algorithms provide Voice Operated
Transmit (VOX), Voice Modulation Recognition (VMR), Audio Delay,
Noise Reduction, and Tone Keying functions.
Each interface module in the ACU-1000 system is given an
extension number. A user enters this extension number to make a
communications link through the selected module.
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Glossary Cont.
HSP-2/4/2IP
The ACU-1000 Handset/Speaker/Prompt Module provides a local
operator interface and the system voice prompt circuitry.
INMARSATInternational Marine/Maritime Satellite
PSTN-1/1IP
Public Service Telephone Network module to interface to the Public
Switch Telephone Network
PTT
Push to Talk
RX
Receive or Receiver
SIP
Session Initiation Protocol
SCM-1/2
SIP Channel Module
Squelch
A means of detecting audio and causing some action when it is present,
such as keying a transmitter or unmuting an audio path.
TX
Transmit or Transmitter.
VMR
Voice Modulation Recognition. A type of squelch, which is activated only
by spoken words and not by tones, noise, or other audio information.
VOX
Voice Operated Xmit (Transmit). A circuit or algorithm, which causes a
transmitter to key or some other action when voice is present.
This squelch type is activated by any audio signal, and is not restricted to
voice only.
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Advanced Gateway Operations
Overview
 Requirement & Capabilities
 Setup & Configuration
 Creating & Breaking Patches
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Requirements & Capabilities
ACU Family – Raytheon JPS
 Four (4) to twenty-four (24)
interconnected communications
devices (only 16 active at one time)
 Patch Up to seven (7) new networks
 Five (5) Patch Types
 Normal, Vertical, Priority, Monitor,
Permanent
 Individual Module/Port Adjustments
 Password Protection
 (PINs, Permanent Connections,
and Module Settings)
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ACU-1000
ACU-M
TRP-1000
ACU-2000IP
ACU-T
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Requirements & Capabilities
ACU Family
 Power
 AC 110 – 220 V
 DC power
 Computer Controllable
 Free ACU Controller Software
 R/S-232 connection
 Network RJ-45 interface
 Optional WAIS software for multiple ACU Control
 VOIP – Free PCNXU software
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Requirements & Capabilities
Control Console Software
 User-friendly graphical interface that is mouse-driven
 Allows operators to
 Quickly make and break inter-connections
 Modify setup
 Save and load configurations
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Requirements & Capabilities
Control Console Software

Computer Requirements for Version 5.42
 OS Windows 95, 98 Me, NT, 2000, XP, or Vista
 The ACU Controller’s native screen resolution is 1280x1024,
where it looks best and runs fastest; however, it will
automatically adapt to fit any screen resolution.
 64MB RAM minimum
 50 MB free hard drive space
 Serial port dedicated to communicate w/ACU or Ethernet
Card (if using Ethernet control for ACU)
 Mouse is recommended but not required
Note: Proper operation of the ACU Controller with a CPM-2 module
requires that the CPM-2 module has firmware revision 1.16 or higher.
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Setup & Configuration
Control Console Generic Screen
Title
Pull
Down
Menu
Net Area
Installed Modules Column Heading
which ACU slots
(Generic Display) Shows
contain modules
Connection
Indicator
Module Grid
Shows which modules belong to which nets
Message Area
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Setup & Configuration
Control Console Generic Screen
Pull down menu
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Setup & Configuration
Pull Down Menus
 There are six pull down menus
 Sites
 ACU
 Tools
 Interface
 PermConn
 Help
 Each grouped into specific types of operation
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Setup & Configuration
Sites Menu
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Select Network Site – Allows users
to control the ACU through an
Ethernet port.
Note: You require both IP address
and port number for the ACU you
want to control
Select Serial Port – Used when
controlling the ACU through the RS232 connector P13. CPM-2
connects using a 9600 baud rate,
CPM-4 uses 115200 baud rate.
Note: The middle of the menu is a
connection history
Auto Connect On Startup – When
on the ACU controller attempts to
restore its last successful
connection on startup
Exit - Exits the controller software
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Setup & Configuration
ACU Menu
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Save Configuration - lets users
store the present configuration
Load Configuration – Sets the
ACU to a previously saved
configuration
Retrieve Current Configuration –
interrogates the ACU regarding it’s
current configuration
Restore Last Configuration –
reverts the ACU Controller to the
state it was in last time it was
powered down.
COR Reporting Displays the
current COR status of each module
PTT Reporting – Displays the
current PTT status of each module
Voice Prompts – Controls the ACU
voice prompting to external users
gaining access via DTMF
13
Setup & Configuration
Tools Menu
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Password Protection – Sets which
(if any) attributes require password:
ACU PIN settings DB, Permanent
Connections, Module Settings
ACU Security Settings – provides
access to DB that sets PIN #s, User
IDs & security levels
Module Web Pages – Stores IP
addresses for the various VoIP
modules
View Recent Log – Views the last
30 entries
View Entire Log – Open the whole
log
New Log – Starts a new log
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Setup & Configuration
Tools Menu (Continued)
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Connect All – Connects all
modules except unconnected
PSTN-1 modules
Revert – Returns the modules to
there original position before the
connect all
Disconnect All – dissolves all
current interconnections (nets)
Revert – All modules (other than
PSTN-1 modules) are returned to
whatever nets they were in prior to
the Disconnect all
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Setup & Configuration
Interface Menu

Sound – Turns sound on or off

Allow ACU M-Style Interface – When checked,
the ACU Controller will use its special ACU-M
interface when connected to an ACU-M

Show Hover Icon Description – full module
descriptions that appear near the mouse cursor
when the cursor hovers over a module icon

Right Mouse Button – set either to disconnect
the module, or to view the module settings

Connection Indicator - Select between
disconnect or enter module’s setting screen

Animation – Sets the Icon movement speed
when a patch is made or broken

Window Title – Sets the title on the Main ACU
Controller screen

Change Colors – Change background and grid
colors
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ACU-M Interface
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Setup & Configuration
PermConn Menu
 One of the five types of patches covered
later in the practical demonstration
 Acts as a toggle (On/Off)
 After a patch or patches are made forming
new nets, any of the nets (1 through 7)
selected via this pull-down menu will
become a Permanent Connection
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Setup & Configuration
Help Menu
 About – Gives you the information about your ACU
Controller software Name and version number
 Manual – Gives you access to the “ACU-Controller
Control Software for the ACU-1000 and the ACU-T
Software Installation and Operation Manual”
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Setup & Configuration
Personalized Screen
Personalized Icons
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Creating & Breaking Patches
Keyboard Operations
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Making and breaking connections with the keyboard consists of the
same operations that would be used with the mouse, except each
mouse click has a corresponding keystroke series: The “##” symbol
represents a two-digit module and the # represents the one-digit net
number in each command.
 Click on module icon (left-click or Connect):
c##
 Right-click (Disconnect) on module icon:
d##
 Click on net number icon (Vertical Connection):
n#
 Right-click on net number icon (Break VC.):
b#
 Click on column heading (enter/exit Monitor Mode):
m##
 Toggle Connect/Disconnect Mode Modules to Mon:
t
These commands are case-sensitive; all must be lower-case
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Creating & Breaking Patches
Connection Types
 Five types of connections
 Normal - form new nets
 Vertical - join existing nets together
 Priority - temporarily patch members of existing nets
together, removing them from their original nets for the
time being
 Permanent – add protection to existing nets
 Monitor – one-way connection – listen, but not speak
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Creating & Breaking Patches
Normal Connections

Each connection takes two left clicks of the mouse to make or one right click to
break
 Create a net – left click on one idle module then left click on another one, to
create additional nets - repeat step
 To add more than two modules to net left click on the desired idle module
then left click on the net number or one of the module already on the net
 To break a module from a net right click the module to break an entire net
right click the net number
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Creating & Breaking Patches
Vertical Connections

Connect two or more nets together – These are temporary connections
intended to allow communications between nets for a short time
 To join – left click on a net number and then left click on the net
number you want to join it
 To disconnect - right click on a net number you want to remove
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Creating & Breaking Patches
Priority Connection
NOTE: This is to temporarily patch active members of existing
nets together, temporarily removing them from their original nets
 To join – left click on one active module in a net then left click on
the desired module in a different net
 To disconnect - right click on the red number in the module icon
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Creating & Breaking Patches
Permanent Connection

Adds protection to nets so you can not accidentally disconnect the
modules in them - Permanent Connection.
 To create – Make normal net as shown on the normal connection
slide. Next on the dropdown tool bar select PermConn. Select the
net number you want to make permanent. The letters “PC” appear
in the connected modules.
 To remove – PermConn is a toggle switch. On the dropdown tool
bar select PermConn then select the net number you no longer
want protected the letters “PC” disappear. The net can now be
deleted in the normal fashion.
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Creating & Breaking Patches Monitor
Mode
 Monitor works differently than all the other connections
 To start monitoring - Enter monitor mode by left
clicking on the column heading of module you want to
do the monitoring, the screen changes
 Left click on the modules you wish to monitor
 Left click on the column heading again to return to the
normal screen
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Creating & Breaking Patches Monitor
Connection
 The M in the module’s icon shows who is doing the
monitoring and the numbers below shows which modules
are being monitored
 To remove monitor - enter monitor mode by left clicking on
the column heading
 Left click on the modules you no longer wish to monitor
 Left click on the column heading again to return to the
normal screen
Note: The M disappears from the module’s ICON
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Questions
????
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