INSTALLATION
MTM800
Enhanced 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 16-pin Accessory Connector
(delivered with speaker GMSN4066) and than plugged into the 20-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 16-pin Accessory Connector as shown in Figure 1 and
then plug the connector block into the 20-pin accessory socket on the rear side of the radio. The
connector block plugs into the center of the 20-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)
Figure 35 Pin Assignment of Cable from Accessory Connector to Microphone Housing
1
3
5
7
9
1 1
1 3
1 5
2
4
6
8
1 0
1 2
1 4
1 6
8 7 6 5 4 3 2 1
6 5 c m ( 2 . 2 f e e t )
1
nc
2
MIC_AUDIO (blue)
3
PTT (white)
4
nc
5
nc
6
nc
7
GND (black)
8
nc
9
nc
10
nc
11
nc
12
nc
13
nc
14
HOOK (red)
15
nc
16
nc
1
nc
2
nc
3
PTT (white)
4
MIC_AUDIO (blue)
5
GND (black)
6
HOOK (red)
7
nc
8
nc
to Accessory
Connector
to Microphone
Housing
Summary of Contents for M80NCA6TZ5AN
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