49
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.
3.8.1.2 1.5U Series (Simple 1.5U)
The 1.5U series product interface is shown as in Figure 3-3.
Figure 3-3
You can refer to the following sheet and Figure 3-3 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.
+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.
3.8.1.3 2U Series
The 2U series product interface is shown as in
Figure
3-4
.
Figure 3-4
You can refer to the following sheet and
AB cable
connection
AB cable
connection
Summary of Contents for DH-D20004
Page 46: ...36 Figure 2 15 ...
Page 63: ...53 1U series 1 5U Series ...
Page 64: ...54 2U Series Figure 3 6 ...
Page 85: ...75 Figure 4 28 Figure 4 29 Figure 4 30 ...
Page 93: ...83 Figure 4 46 ...
Page 133: ...123 Figure 5 66 ...
Page 138: ...128 Figure 6 11 ...
Page 200: ...190 Samsung HA101UJ CE 1T SATA ...
