Radio installation 37
English
TM8105 programming connector
The TM8105 has a 9-way D-range plug on the control head,
for remote connection. The pin allocations of the programming
connector are shown in the following diagram and table.
programming
connector
Pin Signal Description
1
RX_AUD receive audio output (after volume
control)
2
TXD asynchronous serial port: transmit data
3
MIC_AUD microphone audio input
4
RXD asynchronous serial port: receive data
5
ON_OFF hardware power on/software power off
6
+13V8_BATT unswitched 13.8V power supply
7
PTT PTT input from microphone, with
hookswitch signal
8
AGND analogue ground
9
DGND digital ground
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