User's Manual

Table Of Contents
Name of
Connector
Type To/From Comment
RX2 QMA Preselector/ Duplexer RF RX signal and +7 V dc
RX3 QMA Preselector/ Duplexer RF RX signal and +7 V dc
Tx QMA Hybrid Combiner/ Cavity
Combiner
RF TX signal
Power MOLEX Power Supply Unit
Pin 1 - 3 GND
Pin 4 +7 V
Pin 6 - 7 +28.5 V
Pin 5, 8 - 14 not used
Table 88: Base Radio – Service Cable Pinouts
RJ45 PIN D-SUB 9 FEMALE PIN Description
1
2
3
4 3 Rx
5 5 GND
6
7 2 Tx
8 5 GND
9
Replacing the Base Radio
For a list of available Field Replaceable Units (FRUs), see Field Replaceable Units (FRUs) on page 405.
Process:
1 Remove the Base Radio module, see Removing the Base Radio
on page 294.
2 Reinstall the new Base Radio, see Reinstalling the Base Radio on page 294.
3 Perform the procedures from the Configuring and Verifying the Base Radio on page 213 section.
4 If Encryption and/or Authentication is used, see MTS LiTE, MTS 2, and MTS 4 Restoration manual (for DIPS/
DIPC systems) or Service Manual (DIPM system) for details on loading Ki's into MTS.
Electrostatic Discharge Precaution
The Base Radio circuitry contains many CMOS and other electrostatic discharge sensitive devices. Take
precautionary measures to prevent damage of Base Radio modules by static discharge when servicing the equipment.
Observe the following additional precautions:
Base Radio | 293
6802800U74-AD | September 2014 |
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Applicant: Motorola Solutions
Equipment Type: ABZ89FC5827 / 109AB-5827
Exhibit D2