Optiview MPEG-4 - Manual (Page 12)

User’s Manual
12
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 MPEG-4 DVR has a free voltage DC power connection jack. Please
connect the power adapter that ships with the unit.
NOTE: Use of other power adapter may cause overloading.