IC Realtime AVR-816S, User Manual

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HD AVS
Standalone DVR User’s Manual
23
NO1 C1
，
NO2 C2
，
NO3 C3
，
NO4 C4
，
NO5 C5
The five groups of NO/NC activation output (on/off button)
CTRL 12V Control power output. For external alarm, you need to close the
device power to cancel the alarm.
+12V It is external power input. Need the peripheral equipment to provide
+12V power (below 1A).
Earth cable.
A/B 485 communication port. They are used to control devices such as
decoder.
T+,T-,R+,R- They are four-wire double duplex RS485 port
T+ T-: output wire
R+ R-: input wire
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.
Figure 3-2
3.6.3 Alarm Output Port

Provide external power to external alarm device.

To avoid overloading, please read the following relay parameters sheet carefully.

RS485 A/B cable is for the A/B cable of the PTZ decoder.

T+,T-,R+,R-
are four-wire double duplex RS485 port.
T+ T-: output wire
R+ R-: input wire
Relay Specification