Speaker
Output
Call
Button
Mic.
GSM Intercom & Access Control System
Model : GSM18-V21
ECA ELECTRONIC ENGINEERING Pty. LTD
.
Tel: 03 - 95720535 Australia.
www.gatesonsolar.com
Optional
Additional
Door Station
Model DS-12
The push button is
not supplied with
the unit and can be
ordered separately.
Optional
Relay 2 - Com.
Relay 1 - N.O.
12V - 24V
Ac / Dc
Min 2Amp
Power Supply
EXIT
Push
Button
Relay 1 - Com.
Relay 2 - N.O.
GSM Antenna
Mini
SIM CARD
VR2: Announcement Voice
VR1: GSM Phone Line
Speaker’s Volume
Adjustment
VR2
VR1
Mic.
Input
To the Green wires
of the push button
Connection Diagram