TN661 UIC-5 Universal Interface Card
MT-4 Radio Systems
TECHNICAL NOTES
Page 1 of 6
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TN661, REV 2-0-0, © Jan 2019
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The UIC-5-00 Universal Interface Card (UIC) is a plug-in module which provides an IP-based Ethernet network
connection between MT-4 radio systems and other Land Mobile Radio (LMR) subsystems.
The UIC is programmable to support the TIA P25 Digital Fixed Station Interface (DFSI) standard via its network
connection. The UIC can control and monitor radio modules installed in both the A-side (left) and B-side (right) of
the subrack. An additional fi rmware purchase is required for B-side operation. The UIC-5-00 Card is a generational
upgrade from the UIC-4-00, adding DFSI Packet Data as well as a number of signifi cant performance improvements
for running P25 over non-dedicated networks that may be shared with commercial or non-related users
TIA P25 DFSI Operation
The UIC supports the DFSI as published in the P25 standard document TIA-102.BAHA-A. The UIC provides a fully
end-to-end digital link between consoles and subscriber units and supports analog-mode calls as well as P25 calls.
The UIC transports digital P25 audio data packets (IMBE™or AMBE+2™) between the console and the transmitter
and receiver radio modules without any conversion to or from baseband audio. The UIC uses Codan LVDS serial
data to transport digital information between the UIC and the receiver and transmitter modules. This preserves a
fully end-to-end digital link, including audio encryption. Analog voice is carried via the DFSI as digitized u-law pulse-
code modulation (PCM) audio data.
The UIC-5 supports two diff erent types of interfaces via its network connection:
• TIA Fixed Station Interface, Version 1 (Voice only)
• TIA Fixed Station Interface, Version 2 (Voice and/or Packet Data)
Console Controlled / Software Programmable Features
Some of the UIC functions (eg. call start/end, channel selection, etc.) are dynamically controlled by the console. The
console that is used in a system with the UIC may not implement or provide access to all of the functions. See the
console’s documentation for more information on which UIC features are accessible from the console.
Other UIC functions (eg. IP address programming, interface mode selection, etc.) are controlled by static
programmable confi guration settings. These settings can be viewed and modifi ed using a website GUI (Graphical
User Interface) interface to the UIC.
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5
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FUNCTION
12
SYSTEM REGULATOR
MADE IN CANADA
VOL METER
+
-
ON
OFF
SPKR
INT
EXT
EXT
SPKR
ANTENNA A
RX A
TX A
IP NETWORK
CONSOLE
SUBSCRIBER
CODAN RADIO SYSTEM WITH UIC
UIC
RX B
TX B
RX A
TX A
PULL DOWN
TO REMOVE
ETHERNET
ZEROIZE
KEY
TRANSMITTER
CNTL
BUS
MIC RF OUT
AD
ANALOG
DIGITAL
NORM
OFF
KEY TX
MICMODE
REF
IN
USB
FREQUENCY (MHz)
MADE IN CANADA
MODEL # CODE
RECEIVER
NORM
SQ. DISABLE
OFF
CNTL
BUS
AD
RF NI
REF
IN
USB
FREQUENCY (MHz)
MADE IN CANADA
MODEL # CODE
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