Handset To Radio Interface; Interface Specification - Tait TM9100 Service Manual

20.2

Interface Specification

The following table and diagram summarizes the signals used for the handset
on the radio's microphone connector and shows the interface between the
handset and the radio.
Table 20.5 Handset microphone connector - pins and signals
Pin
1 RX_AUD
2 —
3 —
4 PTT
5 MIC
6 GND
7 —
8 CH_GPIO1 3
Figure 20.2

Handset to radio interface

.
452 TMAA10-02 Handset
Handset PCB
Signal
Connector
8
—
—
2
9
10
—
Colour Description
brown receive audio to handset
— not connected
— not connected
white PTT and hookswitch
yellow audio from the handset to dynamic-mic
support board
green analog ground
— not connected
blue programmable line controlling private mode
© Tait Electronics Limited August 2005
TM9100 Service Manual