Dahua VDP Series

2
1.1.2 Rear Panel
Ref.
Description
1
Tamper Switch
2
RS485_B: RS-485 communication
RS485_A: RS-485 communication
ALARM_NO: Switch quantity output
ALARM_COM: Switch quantity output
3
DOOR_BUTTON: Unlock button
DOOR_FEEDBACK: Door contact feedback
GND: GROUND
DOOR_NC: Connected to access controller to control door locks
DOOR_COM: Connected to access controller to control door locks
DOOR_NO: Connected to access controller to control door locks
4
RJ-45 Ethernet Connector