Microphone Connector - Tait TM8100 mobiles Service Manual

2.3.7

Microphone Connector

Table 2.6 Microphone connector – pins and signals
Pinout
B
I
front view
a. Can be switched or unswitched. For more information refer to
2.3.8 Programming Connector (RJ45 Control Head)
Table 2.7 Programming connector – pins and signals
Pinout
I B
front view
a. Can be switched or unswitched. For more information refer to
TM8100/TM8200 Service Manual
© Tait Electronics Limited November 2007
The microphone connector of the control head is an RJ45 socket.
When the control head is connected to the control-head connector of the
radio body using the loom provided, the microphone connector uses the
following eight control-head connector signals:
Pin Signal name Description
1 MIC_RX_AUD Receive audio output.
a
2 +13V8 Power supply output. Switched off
when radio body is switched off.
3 MIC_TXD Asynchronous serial port -
Transmit data.
4 MIC_PTT PTT input from microphone. Also carries
hookswitch signal.
5 MIC_AUD Fist microphone audio input.
6 AGND Analog ground.
7 MIC_RXD Asynchronous serial port - Receive data. 3.3V CMOS
8 MIC_GPIO1 General purpose digital input/output.
The programming connector of the RJ45 control head is an RJ45 socket.
When the RJ45 control head is connected to the radio body, the
programming connector uses the following signals.
Pin Signal name
1 PRG_RX_AUD
a
2 +13V8
3 PRG_TXD
4 PRG_PTT
5 PRG_MIC_AUD
6 AGND
7 PRG_RXD
8 PRG_ON_OFF
"Connector Power Supply Options" on page
Description
Receive audio output.
Power supply output. Switched off
when radio body is switched off.
Asynchronous serial port -
Transmit data.
PTT input from microphone.
Also carries hookswitch signal.
Fist microphone audio input.
Analog ground
Asynchronous serial port -
Receive data.
Hardware power on/software-power
off input. Active low.
"Connector Power Supply Options" on page
Signal type
Analog
Power
3.3V CMOS
Digital
Analog
Analog ground
Open collector out
3.3V CMOS in
90.
Signal type
Analog
Power
3.3V CMOS
Digital
Analog
Ground
3.3V CMOS
Digital
90.
Description 45