User’s Manual
Video Input
A group of BNC connectors are available for video input streams from installed cameras.
Alarm I/O & RS485
The unit provides an alarm I/O and RS485 port that offers user the flexibility required to connect the unit to the other device. The definitions of pins are listed in the below table:
Pin Definition for 4ch-Model:
Pin |
| Definition |
| Pin |
| Definition |
1 |
| ALARM OUT O |
| 9 |
| Alarm Out C |
2 |
| ALARM OUT COM |
| 10 |
| GND |
3 |
| RS485 D/R+ |
| 11 |
| - |
4 |
| RS485 D/R- |
| 12 |
| - |
5 |
| ALARM In 1 |
| 13 |
| - |
6 |
| ALARM In 2 |
| 14 |
| - |
7 |
| ALARM In 3 |
| 15 |
| - |
8 |
| ALARM In 4 |
|
|
|
|
Power Jack
The
NOTE: Use of other power adapter may cause overloading.
12
