DVR systems DVRxx04HF-A Series User Manual

Page 49

1，2，3，4，5，
6，7，8，9，10，
11，12，13，14，
15，16
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 120TΩ 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

3-9

Figure 3-9

You can refer to the following sheet and
Figure

3-9

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 first line after
the number 1-16,
from the left to the
right:
NO1 C1，
NO2 C2，
NO3 C3，
NO4 C4,
NO5 C5 NC5