Jaycar Electronics N5 series, User Manual

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xlviii
Ground line
Alarm Input
1, 2, …, 16.. It becomes valid in low voltage.
1-NO C
，
2-NO C
，
3-NO C
Three NO activation outputs.
485 A/B 485 communication port. They are used to control devices such as
PTZ. Please parallel connect 120
Ω between A/B cables if there are
too many PTZ decoders.
You can refer to the following sheet and Figure 3-18 for alarm input and output information.
Figure 3-18
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.
+12V It is external power input. Need the peripheral equipment to provide
+12V power (below 1A).
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.
3.7.2 Alarm Input Port
Please refer to the following sheet for more information. See Figure 3-19.

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)
AB connection port