DI/DO Diagram
Please refer to the following illustration for the connection method.
+12V
Gnd
4
1
Camera Power
3
Input
2
Output
BJT transistor
Status LED
The LED indicates the status of the Network Camera.
Item
LED status
Steady Red
1
Red LED Off
2
Steady Red
3
Red Blinks every 2 sec.
4
Blink Red every 0.15 sec.
5
Blink Red every 0.15 sec.
12V
PIN 1
Power+12V
PIN 2
Digital output
PIN 3
Digital input
PIN 4
Ground
VDC
+30
Switch
VDC
Max.
BJT transistor
Relay
Power on and system booting
Power off or power is supplied but the network is disconnected.
Network works (heartbeat)
Audio mute (heartbeat)
Upgrading Firmware
Restoring default
Gnd
4
1
Camera Power
VDC
+12
3
Switch
VDC
Input
2
Output
Relay
Description
VIVOTEK
User's Manual - 7