3-24 MAINTENANCE
10.0 Service Aids
Table 3-1 lists service aids recommended for working on the GP300 Series Radios. While all of
these items are available from Motorola, most are standard shop equipment items, and any
equivalent item capable of the same performance may be substituted for the item listed.
Table 3-1 Service Aids
Motorola Part No. Description Application
RLN4460_ Portable Test Set Enables connection to the audio/accessory
jack. Allows switching for radio testing.
RKN4075_ Ribless Programming Cable Connects radio to Computer.
RKN4074_
(GP320/340/360/380)
JMKN4123_
(GP344/388)
Programming Cable/Test
Cable
Connects radio to RIB (RLN4008_).
RLN4008_ Radio Interface Box (RIB) Enables communications between the radio
and the computer’s serial communications
adapter.
HLN9756_ BNC Adaptor Adapts radio’s antenna port to BNC cabling
of test equipment.
HKN9743_ MAP27 Cable Connects radio to computer for MAP27
applications in MPT requirements.
HLN9742_ Flash Upgrade Adapter Provides connections to the computer or RIB
programming /test cable
0180305G54 Shop Battery Eliminator Interconnects radio to power supply.
8180384F66 Bench Test Housing Eliminator
for long housing.
Provides for troubleshooting of the radio
when the housing is removed.
8180384F68
(GP320/340/360/380)
8180384M30
(GP344/388)
Bench Test Housing Eliminator
for short housing.
Provides for troubleshooting of the radio
when the housing is removed.
RLN4510
(GP320/340/360/380)
JMKN4125_
(GP344/388)
Battery Eliminator 7.5V Interconnects radio to power supply.
EPN4040 Wall-Mounted Power Supply Used to supply power to the RIB (UK).
EPN4041 Wall-Mounted Power Supply Used to supply power to the RIB (Euro)
3080369B71 or
3080369B72
Computer Interface Cable Use B72 for the IBM PC AT. All other IBM
models use B71. Connects the computer’s
serial communications adapter to the RIB.
(RLN4008_)
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