COMMUNICATIONS-APPLIED TECHNOLOGY ICRI-E Manuel
COMMUNICATIONS-APPLIED TECHNOLOGY
11250-14 Roger Bacon Drive Reston, VA 20190
Voice: 800-229-3925 Support: Techsupport@c-at.com
Revision I
10/2010
Setup and Operating Procedures
ICRI-E
Incident Commanders’ Radio Interface™
A Rapidly Deployable, Radio Interoperability Solution
Waterproof, Gross Decon-able
MANUFACTURED BY
COMMUNICATIONS-APPLIED TECHNOLOGY CO., INC.
RESTON, VA.
CAGE CODE: 0EEY2
http:// www.c-at.com
If you have any questions, please contact:
C-AT TECHNICAL SUPPORT at 800-229-3925 (voice) , 703-471-4428 (fax), or
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TABLE OF CONTENTS:
THEORY OF OPERATION ....................................................................................................... 3
PRE-OPERATIONAL ACTIVITIES......................................................................................... 4
SET-UP AND USE INSTRUCTIONS ........................................................................................ 5
FIGURE 2: ICRI WITH RADIOS.............................................................................................. 5
OPERATION OF THE ICRI............................................................................................................... 6
SETTING UP THE ICRI FOR USE...................................................................................................... 6
INTERNALPANEL:................................................................................................................... 7
EXTERNALPELICAN CASE:................................................................................................... 8
ICRI POWER.............................................................................................................................. 11
TO POWER THE ICRI8―AA‖ BATTERIES: ................................................................................... 11
USE AN ALTERNATE DC SOURCE TO POWER THE ICRI................................................................ 12
USE AN AC SOURCE TO POWER THE ICRI. .................................................................................. 13
LAND MOBILE INTERFACE................................................................................................. 14
CONNECT INTERFACE CABLES..................................................................................................... 14
SET THE RADIO TO TRANSMIT THROUGH THE ICRI...................................................................... 15
5.0 OPTIONAL SATPHONE, LAND-LINE TELEPHONE, CELLULAR PHONE
INTERFACE............................................................................................................................... 16
ICRI PHONE LINK IN RJ-22 CONNECTION .................................................................................... 16
CELLULAR TELEPHONE LINK ....................................................................................................... 16
NEXTELTM PHONE IN DIRECTCONNECTTM MODE......................................................................... 17
THE LOCAL HANDSET.................................................................................................................. 17
APPENDIX A: 250’ RADIO EXTENSION CABLE REEL................................................... 18
Set-up of the Cable-Reel......................................................................................................... 19
APPENDIX B: CONNECTOR PIN-OUT DATA.................................................................... 23
APPENDIX C: ICRI APPLICATIONS.................................................................................... 24
APPENDIX D: ICRI CHASSIS................................................................................................. 26
APPENDIX E: PART NUMBERS FOR ICRI-E ACCESSORIES AND CABLES............. 27
APPENDIX F: ICRI BOARD ADJUSTMENTS..................................................................... 28
APPENDIX G: FCC 15.21 INFORMATION TO USER:....................................................... 30
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Theory of Operation
In simplest terms, the ICRI performs two primary functions:
Distributes audio received from one two-wayradioto otherradios, telephoneorrecordingdevice
connected to the ICRI.
Utilizes this same incoming audio to ―key‖ the other radios connected to the ICRI.
This configuration of the ICRI is designed to be quicklyset-up, and to operate for extended periods
without additional power sources or specialized support equipment.
This ICRI interfaces through the interconnect cables to link radios and telephones. Commercial
radios---both portable and mobile radios--- can be rapidly linked together to form radio
communications ―nets‖ of radios that could not otherwise communicate with one another. Military
radios, and satellite ―phone‖ and voice-over-IP devices can be linked to the 2-wayradios to extend
the command and control capabilities of the personnel on-scene and at remote locations.
The ICRI will operate for at least 24 hours, with 8 ―AA alkaline batteries (somewhat less in cold
weather). The ICRI can also be powered byan external batterypack, a vehicle-supplied or otherDC
source, or AC.
Two, three, four, five radios can be linked together through the ICRI. Unencrypted radios can be
linked in one talk group while encrypted can be linked in thesecondtalkgroup. Talk groupselection
is controlled by the switches about each radio ―port‖.
Two ICRIs can be rapidly linked together without hand tool and/or adjustments. An interconnect
cable may be part of this kit or is readily available.
A 250’ extension cable for radio interface may be supplied with this kit. The extension cable
permits a radio to be placed at this distance from the ICRI. This may useful when connecting to a
satellite antenna/radio or when a team enters a structure/tunnel. Multiple extension cables can be
connected for even greater distances (tested up to 5000’).
The ICRI does not discriminate or evaluate the incomingaudio so that delaysarenot insertedinto the
audio transfer or ―keying‖ processes. Radios, telephones and/or recording devices connected to the
ICRI are provided with the incoming audio essentially in real-time (an initial delay at keying to
preserve the first syllables of incoming audio as the transmitters[including widearea, repeater-based
―trunked‖ radio systems] are keyed up).
An ICRI contains up to six circuits that key the radios connected to the ICRI; these circuits are
commonly referred to as ―VOX‖ or ―voice-activated switches.‖ The ICRI uses these circuits to
perform other controlling functions as well. Only the VOX directlyconnectedto theincomingaudio
is used to keyeach of the other radios simultaneously(all other are temporarilydisabled, preventing
a second ―voice‖ from causing a disruption in initial voice being distributed).
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Pre-Operational Activities
Some pre-planning is necessary to ready the ICRI for use. The following should be accounted for
before placing the ICRI on-line:
1.0 Predetermine what the power source will be for the ICRIand verifythat the cable or battery
pack is available.
2.0 Predetermine what brand and model of radios will be connected to the ICRI and that an
―interconnect‖ cable for each radio is available.
3.0 Advise agencies that they will need to supply a ―spare‖ radio, for the radio interoperability,
that the radio supplied must be known to operate properlyand have at least onefullycharged
battery.
The ICRI can be powered by the internal batteries or another DC source up to 31 VDC. The LEDs
on the ICRI provide information battery status, in particular, a reliable indication of a low voltage
condition. Note that if eight “AA batteries are used, the ICRI will continue operate to nominally for
at least 2 hours after the “OK” LED is extinguished and the “LOW” LED has lit and then
extinguished (batteries will provide a reduced duty cycledueto low quality, poor storageconditions
before use, and/or low temperature during use).
Among the possible power sources that can be used to power the ICRI are:
NATO Slang vehicle power
115VAC (with an external adapter)
BA590 ―military‖
Commercial dry-cell battery (12V or greater)
C-AT internal 12 volt battery insert (uses 8 ―AA‖ batteries)
The ICRI’s internal regulated power supplyis reverse polarityprotected, but it is important to check
polarity of DC supplies before connecting them to the ICRI. Note that the ICRI power input
connector information appears on the inside cover of the ICRI.
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Set-up and Use Instructions
The ICRI-E is internallyhoused in the Pelican case;thereforethis version does not providea location
for storing cables and radios inside the unit. However, the ―AA‖ batteries are stored and operational
from within the unit and accessible from the front panel.
Abbreviated set-up instructions are printed onto the top cover of the ICRI assembly. Connector
information for radio, telephone, and power interconnect cables is printed on the insidecoverofthe
case. Refer to Appendices B and C.
FIGURE 1: ICRI CASE (INSIDE)
FIGURE 2: ICRI WITH RADIOS
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Operation of the ICRI
Setting up the ICRI for use.
Verify ―fresh‖ AA batteries are installed or connect a power source to the ICRI.
Turn on the ICRI so that power up and input voltage can be verified. If you need to useaDCsource
voltage between 6.5 and 7.4 volts, then neither the OK nor the LOW voltage LEDs will belit,but the
ICRI will be working.
Set the radios to the assigned interoperability channels, verify the radios transmit and receive
function with another radio. Then connect the radio interface cables to the radios and the ICRI. All
five ICRIradio interface connections are electricallyidentical, so it is not important which jacks are
used during ICRI operation.
Select the talk-group the radio will be assigned to and place the switch above the associated port in
the desired position.
NOTE: The centerposition of the switch placesany item connected with theassociated port into a
“NO CONNECTION” condition without physically disconnecting the device from the ICRI.
Turn the radios on; initiallyplace the radio volumecontrols at a mid-position between fullycounter-
clockwise and fully clockwise. As a radio connected to the ICRI receives voice for a remote radio
user for the first time, adjust the radio’s volume control so that the associated LED flickers as words
are spoken. The LED should not remain on continuously as the voice is received.
Connect the telephone and handset, if they will be used. Select the talk-group the telephone and/or
handset will be associated with. Turn on the telephone.
NOTE: For initial setup and troubleshooting purposes, C-AT recommends the use of the local
handset or headset.
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INTERNAL PANEL:
FIGURE 3: INTERNAL PANEL
ACTIVE VOX (VOICE ACTIVATED CIRCUIT) LED INDICATOR: A
Each LED is associated with a voice communications port (radio, telephone). When the port
receives audio from the radio or otherconnected device, theLED will lightasthe audiois received at
the ICRIcircuitry. The LED should light as each word is spoken. To adjust the level of theincoming
audio, adjust the volume control of the device connected to the ICRI.
TALK GROUP SWITCH: B
The talk group switches determine which communications devices will be connected/interoperate
each other. Only the radios, telephone, or handset connected to a specific talk group will hear or be
able to transmit audio to the other individuals connected to that talk group. The switch corresponds
to the interface jacks below it. Radios/interfaces DO NOT need to be turned off or disconnected to
switch talk groups.
UP: Talk Group 1
CENTER: Not connected to either talk group
DOWN: Talk Group 2
ON-OFF SWITCH: C
This switch is used to turn the ICRI ON and OFF; there is no delay between ―POWER ON‖ and
radio link.
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OK/ LOW IMPUT VOLTAGE LEDs: D
These two LEDs indicate the following:
The Green LED indicates the input voltage 8.6 or greater. If batterypower option is used,the
ICRI will have approximately 24 hours of run time at full duty cycle.
The red LED indicates the input voltage is 7.5 to 8.5 volts. Once this light is illuminated the
ICRI will have approximately 2 hours of run time.
Note: If neither LED is lit, the ICRI will operate on voltage as low as 6.5V. Maximum input
voltage is 31VDC
BATTERY COMPARTMENT (See Section 3.0): E
EXTERNAL PELICAN CASE:
FIGURE 4: EXTERNAL ICRI
TALK GROUP SWITCH (HANDSET/HEADSET): F
The talk group switches determine which communications devices will be connected/interoperate
each other. Only the radios, telephone, or handset connected to a specific talk group will hear or be
able to transmit audio to the other individuals connected to that talk group. The switch corresponds
to the interface jacks below it. Radios/interfaces DO NOT need to be turned off or disconnected to
switch talk groups.
LEFT: Talk Group 1
CENTER: Not connected to either talk group
RIGHT: Talk Group 2
VOLUME ADJUSTMENT (HANDSET/HEADSET) G
Volume knob only adjusts the volume output level at a handset or headset connected to the ICRIat
―Handset Interface‖ jack. To adjust the volume of the radios, use the volume adjustment on the
individual radios.
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HANDSET/HEADSET JACK H
This 5 pin U183 connector supports the H250/H350 handset
Pinout:
1- Ground
2- Mic
3- PTT
4- Audio Hi+
5- Audio Hi-
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RADIO JACK (1 thru 5) J
The five radio interface jacks on this unit are a 5-pin, U183 locking jacks. All radio jacks are
compatible with a military and commercial radios and Nextel™Direct Connect™phones (except
Blackberry and i60/i90 models)
Pinout:
1- Ground
2- Audio from radio
3- Audio to radio
4- Motorola® Saber/AstroSaber P-T-T enable
5- P-T-T Enable (except Motorola Saber and Motorola P Series Radios)
TELEPHONE /ACOUSTIC COUPLER JACK: K
This interface jack can be used to connect the ICRI to a satellite telephone, land-line or cellular
phone. The 8-pin locking-type jack supports the connection of the ICRI to a telephone through the
acoustic coupler (PN 1790.650) or the 2.5mm jack on a cell phone (PN 179.0672)
Pinout:
A- Audio TO telephone (acoustic coupler)
B- Audio FROM telephone (acoustic coupler)
C- Audio TO telephone (acoustic coupler)
D- Audio FROM telephone (acoustic coupler)
E- Ground
F- Required jumper
G- Audio TO telephone (2.5mm plug)
H- Audio FROM telephone (2.5mm plug)
POWER (DC INPUT) JACK: L
Power jack is used to connect ICRI battery pack, alternative DC power source (vehicle) or AC
power. The Power jack is an 2-pin locking jack. Align arrow at top of ICRI to properly insert the
power jack. To remove, unscrew the connector and then gently pull on the connector at the base.
Pinout:
1 –+7 to +20 VDC
2 –Ground
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