
GD-04K -
2
- MNY51104
2. Device
description
Figure 1: 1 – GSM antenna; 2 – Mini USB connector for PC connection; 3 – Reset jumper;
4 – SIM card slot; 5 – LED indicators; 6 – Flexible tabs; 7 – Connector for backup battery –
the GD-04A cover; 8 – Output relay fuses; 9 – Input / output and power terminals
Terminal descriptions:
Low voltage terminals:
+12 V
Terminal for 12 V DC connection from included adapter (or another
external power supply which provides current of at least 0.5 A)
GND
The common terminal for inputs A, B, C, D and GND for the 12 V
A, B, C, D
input
terminals:
Inputs react to connection or disconnection to / from the GND terminal.
GD-04K
- 15 -
MNY51104
NOTES: