44 Description TM8100/TM8200 Service Manual
© Tait Electronics Limited June 2006
2.3.9 Programming Connector (Blank Control Head)
The programming connector of the blank control head is a 9-way standard-
density D-range plug.
When the blank control head is connected to the radio body, the
programming connector uses the following signals.
Table 2.8 Programming connector – pins and signals
Pinout Pin Signal name Description Signal type
1 PRG_RX_AUD Receive audio output. Analog
2 PRG_TXD Asynchronous serial port -
Transmit data.
3.3V CMOS
3 PRG_MIC_AUD Fist microphone audio input. Analog
4 PRG_RXD Asynchronous serial port -
Receive data.
3.3V CMOS
5 PRG_ON_OFF Hardware power on/software-power
off input. Active low.
Digital
6+13V8
a
Power supply output. Switched off
when radio body is switched off.
Power
7 PRG_PTT PTT input from microphone.
Also carries hookswitch signal.
Digital
8 AGND Analog ground Ground
9 DGND Digital ground Ground
a. Can be switched or unswitched. For more information refer to “Connector Power Supply Options” on page 86.
front view
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