9
Annex
Power Supply Interface Connector
Pin
Name
Description
1
VCC
+8 to +30VDC
2 Not
used
3 Not
used
4 Not
used
5 Not
used
6 GND
ground
RS-232 Interface Connector
Pin
Name
Description
1 Not
used
2 RXD
Reveice
Data
3 TXD
Transmit
Data
4 Not
used
5 GND
Signal
ground
6 Not
used
7 Not
used
8 Not
used
9 Not
used
Power Demand
Parameter
Min Typic
al
Max Unit
Input voltage
8
12
30
VDC
Max. peak current draw
3.2
A
Average current draw (idle)
30
40
mA
Average current draw (modem connection)
100
140 mA
Average current draw (GPRS connection)
110
150 mA
* Nominal current draw at voltage = 12 V, temperature = 20° C
