10
4/8-channel series 16-channel series
Figure 1-5
You can refer to the following sheet and Figure 1-5 for alarm input and output information.
In the first line, from
the left to the right,:
1
,
2
,
3
,
4
,
5
,
6
,
7
,
8
,
9
,
10
,
11
,
12
,
13
,
14
,
15
,
16
ALARM 1 to ALARM 16. The alarm becomes active in low voltage.
In the second line,
from the left to the
right:
NO1 C1
,
NO2 C2
,
NO3 C3
,
NO4 C4,
NO5 C5 NC5
The first four are four groups of normal open activation output
(on/off button)
NO5 C5 NC5 is a group of NO/NC activation output (on/off button)
CTRL 12V
Control power output. You need to close the device power to cancel
the alarm.
Earth cable.
485 A/B
485 communication port. They are used to control devices such as
PTZ. Please parallel connect 120T
Ω
between A/B cables if there are
too many PTZ decoders.
1.8.2 Alarm Input Port
Please refer to the following sheet for more information.
z
Normal open or Normal close type.
z
Please parallel connect COM end and GND end of the alarm detector (Provide external
power to the alarm detector).
z
Please parallel connect the Ground of the DVR and the ground of the alarm detector.
z
Please connect the NC port of the alarm sensor to the DVR alarm input(ALARM)
z
Use the same ground with that of DVR if you use external power to the alarm device.
AB cable
connection
AB cable
connection