Dahua Technology LE-L User Manual
Page 34
34
Figure 3-6
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 120TΩ between A/B cables if there are
too many PTZ decoders.T
2 HDD Series
Please refer to the following sheet and figure 3-7 for detailed information.
Figure 3-7