INSTALLATION MTM5400 Mobile Terminal Installation Manual 73
Data Expansion Head Enhanced Radio-to-Fist Microphone
The GMKN4072 Connecting Cable replaces the existing coiled cord cable of the fist microphone
(Motorola P/N: GMMN4063).
Operation
The crimped wires of the cable have to be connected into the 26-pin Accessory Connector
(delivered with speaker RSN4002A) and than plugged into the 26-pin connector on the rear side of
the radio. The other end has a connector which fits into the fist microphone’s housing.
Making Connections
First connect the exposed four wires to the 26-pin Accessory Connector as shown in Figure 1 and
then plug the connector block into the 26-pin accessory socket on the rear side of the radio. The
connector block plugs into the 26-pin accessory connector (four outside pins do not connect).
Removing the Existing Coiled Cord Cable
1. Rotate the locking collar at the base of the microphone in a counterclockwise direction until it
stops.
2. Pull the cord out and away from the base of the of the microphone.
Install the new coiled cord GMKN4072 in a reverse order of removal.
Part Number: GMKN4072
Length: 65 cm (2.2 feet)
The GMKN4072 originally is terminated with a 20-pin
connector. Use the PMLN5072 accessory connector kit to re-
crimp it.
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