3
Ref
Name
Description
1
Tamper Switch
The VTO issues an alarm sound if it is removed from the
wall by force, and sends the alarm to the management
center.
2
Ports
Connect to power supply, electric control lock, solenoid
lock, and exit button.
3
Ethernet Port
Connects unit to Ethernet network.
4
Cascade Connection
Connection to another Intercom module.
Ports
Ref Name
Ref Name
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
