50
The 8-channel is shown as in Figure 3-4.
Figure 3-4
The 16-channel is shown as in Figure 3-5.
Figure 3-5
: 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.
NO C
，
There is one group of normal open activation output (on/off button).
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.
3.8.1.4 1.5U Series
You can refer to the following sheet and
X288H28 8H28 8H
Figure 3-6
X
for alarm input and output information.
Figure 3-6
In the first line, from
the left to the right,:
1
，
2
，
3
，
4
，
5
，
6
，
7
，
8
，
9
，
10
，
ALARM 1 to ALARM 16. The alarm becomes active in low voltage.
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