Alarm Input Port - Eclipse Security Tribrid User Manual

1，2，3，4，5，6，
7，8，9，10，11，
12，13，14，15，16
NO1 C1，NO2 C2，
NO3 C3，NO4 C4，
NO6 C6
NO5 C5 NC5
CTRL 12V
+12V
A/B
T+,T-,R+,R-

3.6.2 Alarm Input Port

Please refer to the following sheet for more information.

Grounding alarm inputs. Normal open or Normal close type)

Please parallel connect COM end and GND end of the alarm detector (Provide
external power to the alarm detector).

Please parallel connect the Ground of the DVR and the ground of the alarm detector.

Please connect the NC port of the alarm sensor to the DVR alarm input(ALARM)

Use the same ground with that of DVR if you use external power to the alarm device.
HDCVI Standalone DVR User's Manual
Figure 3-1
ALARM 1 to ALARM 16. The alarm becomes active in low voltage.
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)
Control power output. For external alarm, you need to close the
device power to cancel the alarm.
It is external power input. Need the peripheral equipment to provide
+12V power (below 1A).
Earth cable.
485 communication port. They are used to control devices such as
decoder.
They are four-wire double duplex RS485 port
T+ T-: output wire
R+ R-: input wire
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