GSM modem iRZ MC52iWDT
User Manual
8
2.5.2.
Power supply connector RJ11
The connector is used for connection of electric power supply.
6
1
Table 2.5.2 Purpose of power supply connector pins.
Contact Signal
Purpose
1
+ 12V
Positive pole of DC supply voltage. Protected with a fuse and the
protection circuit against voltage-surge (with voltage infeed rate
more than 30V) and incorrect polarity.
2 not
used
3 EMERGOFF
Emergency
shutdown
4 STARTING Trigger
a
modem
5 not
used
6 GND
System
housing