User`s manual

PocketGSM Installation
2.4
2.4. POWER SUPPLY
The inputs, outputs and power supply use a Minifit 12 pin connector:
Frontal view PIN Description
1 OUTPUT 2 (Open Collector) (GPO2)
2 OUTPUT 1 (Open Collector) (GPO1)
3 DIGITAL INPUT 4 (GPIO5)
4 DIGITAL INPUT 3 (GPIO4)
5 DIGITAL INPUT 2 (GPIO0)
6 DIGITAL INPUT 1 (GPI3)
7 N.C.
8 N.C.
9 Power supply from 5 to 32Vdc
10 GND
11 ANALOG INPUT 2 (ADC2)
12 ANALOG INPUT 1 (ADC1)
pin 9 : positive [from +5 to +32Vdc]
pin 10 : negative [GND]
The modem has a special protection in case you accidentally invert the polarity.
The modem power supply must be included between 5 and 32 Vdc with ground negative.
Attention: the power supply voltage must not exceed the indicated maximum value as this may cause
a damage of the product.