Motorola GM300 Series Selling Manual page 37

Accessory Connector
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Each programmable pin can be disabled or programmed to a feature. The active state of each pin
can be set as high or low: except
emergency is active low;


ignition is active high.


NOTE Please refer to the Radio Installation Manual for more information.
Benefits
Enables interface to a wide range of external devices.


Customer specific applications can be catered for.


Gives excellent opportunities for enhanced dealer added value.


Interface to external Mobile Data Modems.


Table 2-4 Accessory Connector Pin Out
Speaker -
External Mic
Digital In 1 (Ext. PTT use External Mic/ Data PTT use Flat TX Audio)
Digital Out 2 (External Alarm)
Flat TX Audio. Sensitivity 150mV rms to for 60% deviation
Digital In 3
Ground
Digital In/Out 4
Digital In 5 with Wakeup (Emergency)
Digital In 6 with Wakeup (Ignition)
Flat / Filtered RX Audio (Flat RX Audio 330mV rms at 60% deviation
Filtered RX Audio 600mV rms at 60%dev at 1kHz) CPS selectable
Digital In/Out 7
Switched Battery Voltage (max 1A, Dropout Voltage max1V)
Digital In/Out 8
RSSI (Radio Signal Strength Indicator)
Speaker +
Bus+ (used for CPS and Flash)
Boot Control
Reserved
Reserved
Function
2-19