562 TMAA03-31 Control Head Interface Box TM8100/TM8200 Service Manual
© Tait Electronics Limited November 2007
27.1 Interface Specification
The following table and diagram summarizes the signals used for all the
connectors on the control head interface box.
Table 27.1 Power connector PL100—pins and signals
Pinout Pin Signal name Description
1 AGND Analog ground
2 — Not connected
3 — Not connected
4 13V8_BATT 13V8 power input
Table 27.2 Sockets SK201, SK202, SK203—pins and signals
Pin Signal name Description
1 RD_RX_AUD Receive audio
2 RD_13V8_SW Switched 13V8 supply from radio
3 RD_RS485+ Data
4 AGND Analog ground
5 MIC_AUD Microphone audio
6 RD_RS485- Data
7 DGND Digital ground
8 RD_CHC_ON_OFF Radio control head on/off
1 2 3 4
rear view
front view
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