Videx 4812 - Wiring Diagrams

66251750-EN - V1.0 - 05/06/17
11
4000 Series Digital GSM - Technical Manual
4000 Series Digital GSM Audio Intercom with Proximity
Wiring Diagrams
LOCK RELEASE AND VOLT FREE CONNECTIONS
Fig.7 below shows connections for a fail secure and a fail safe lock release and also volt free contacts.
%0
A
B
GND
12V
0V
PTE
AI
TRD
AO
NC
CO
NO
USB
RS485
Fail Safe
Lock Release
+12Vdc 0V
Fail Safe
Lock Release
%0
A
B
GND
12V
0V
PTE
AI
TRD
AO
NC
CO
NO
USB
RS485
Volt Free
Contacts
+12Vdc 0V
%0
A
B
GND
12V
0V
PTE
AI
TRD
AO
NC
CO
NO
USB
4812
4812R
RS485
Vandal Resistant 4000 Series Digital GSM Panel
Fig. 7