Tait TM9155R Installation Manual page 19

Table 4.2
The radio allows for connection of an emergency switch to any input line
Emergency Switch
to enter the emergency mode. If the switch is connected to the AUX GPI2
input line, the radio can also use 'emergency power sense' to power up the
radio to enter the emergency mode.
Note
TM9100 Mobiles: 110 W Mobile Installation Guide
© Tait Electronics Limited October 2005
Auxiliary connector (radio)—pins and signals
Pinout Pin Signal name
12 AUX GPI1
B
5 AUX GPI2
J
C
1)
4 AUX GPI3
D
1!
E
1@
F
10 AUX GPIO4
1#
G
1$
2 AUX GPIO5
H
1%
I
9 AUX GPIO6
rear view
1 AUX GPIO7
11 AUX TXD
3 AUX RXD
7 AUD TAP IN
13 AUD TAP OUT Programmable tap point out
14 AUX MIC AUD Auxiliary microphone input.
6 RSSI
8 +13V8 SW
15 AGND
1. Used by the 100W RF amplifier
The selected input line must be programmed to 'Enter Emergency
Mode' and active to 'Low'. To use 'emergency power sense',
hardware link LK3 must be fitted (factory default), and AUX GPI2
Description
1
General purpose digital
input. Programmable
function
General purpose input
(ignition sense)
Programmable function and
direction
1
Pads available to fit a higher
power driver transistor on
1
GPIO4 line
1
Asynchronous serial port -
Transmit data
Asynchronous serial port -
Receive data
Programmable tap point into
the Rx or Tx audio chain.
DC-coupled
of the Rx or Tx audio chain.
DC-coupled
Electret microphone biasing
provided. Dynamic
microphones are not
supported
Analog RSSI output
Switched 13.8V supply.
Supply is switched off when
radio body is switched off
Analog ground
Installing the Radio
Signal type
Digital,
3V3 CMOS.
3V3 levels.
Protected for
+13.8V.
Digital, 3V3
CMOS input;
open collector
output with
pullup
Digital,
3V3 CMOS
Digital,
3V3 CMOS
Analog
Analog
Analog
Analog
Power
Ground
19