HDCVI Standalone DVR User’s Manual
68
e. The voltage between of A,B lines of the decoder should be less than 5v.
4. Please make sure the front-end device has soundly earthed.
Improper grounding may result in chip damage.
3.8.1 Alarm Input and Output Details
Important
Please refer to the specifications for the alarm input and output channel amount.
Do not merely count the alarm input and out channel amount according to the ports
on the rear panel.
Figure 3-1
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.
NO1 C1
，
NO2 C2
，
NO3 C3
，
NO4 C4
，
NO6 C6
The first four are four groups of normal open activation output (on/off
button)
NO5 C5 NC5
NO5 C5 NC5 is a group of NO/NC activation output (on/off button)
CTRL 12V
Control power output. For external alarm, 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.
A/B
485 communication port. They are used to control devices such as
decoder.
T+,T-,R+,R-
They are four-wire double duplex RS485 port
T+ T-: output wire
R+ R-: input wire
3.8.2 Alarm Input Port
Please refer to the following sheet for more information.
Summary of Contents for TRIDVR-ELE32
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