
3
Table 2-2
Rear panel description
No. Name
Description
1
Anti-tampering switch
When the VTO is removed from the wall forcibly, an alarm will
be triggered and the alarm information will be sent to
management center.
2
Ports
Connect to power supply, electric control lock, solenoid lock
and exit button.
3
Ethernet port
Connect to network cables.
4
Cascade connection port
Connect to other modules.
Ports description
Table 2-3
Port description
No. Description
No.
Description
1
GND
8
EOC1 (2wires –(GND) for a 2-wire camera
module)
2
+12V_OUT
9
DOOR_BUTTON
3
RS-485_B
10
DOOR_FEEDBACK
4
RS-485_A
11
GND
5
ALARM_NO
12
DOOR_NC
6
ALARM_COM
13
DOOR_COM
7
EOC2 ((48V) for a 2-wire camera
module)
14
DOOR_NO
Indicator Module
Front panel