![](/images/new-backgrounds/1140213/1402139x1.webp)
VIVOTEK
DI/DO Diagram
Please refer to the following illustration for the connection method.
12V
PIN 1
Power+12V
PIN 2
Digital output
+12V
PIN 3
Digital input
PIN 4
Ground
Status LED
The LED indicates the status of the Network Camera.
Item | LED status | Description | |
1 | Steady Red | Power on and system booting | |
Red LED unlighted | Power off | ||
| |||
2 | Steady 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 |
User's Manual - 5