VIVOTEK
User's Manual - 5
DI/DO Diagram

Please refer to the following illustration for the connection method.

12V
+12V
Digital output
PIN 1
Power+12V
PIN 2
Digital input
PIN 3
Ground
PIN 4
Status LED

The LED indicates the status of the video server.

Item LED status Description
1Steady Red Power on and system booting
Red LED unlighted Power off
2Steady Red + Blink Green every 1 sec. Network works (heartbeat)
Steady Red + Green LED unlighted Network fail
3 Steady Red + Blink Green every 2 sec. Audio mute (heartbeat)
4 Blink Red every 0.15 sec. + Blink Green every 1 sec. Upgrading Firmware
5 Blink Red every 0.15 sec. + Blink Green every 0.15 sec. Restore default