Security Camera King PENDVR-EL8M4K - Alarm Input Port

265
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.
In the second line,
from the left to the
right:
NO1 C1，
NO2 C2，
NO3 C3，
NO4 C4,
NO5 C5,
NO6 C6.
There are six groups of normal open activation output (on/off button)
CTRL 12V
Control power output. For external alarm, you need to close the
device power to cancel the alarm.
Voltage current；500mA.
+12V
Rated current.
Voltage current；500mA.
Earth cable.
485 A/B
485 communication port. They are used to control devices such as
decoder. 120Ω should be parallel connected between A, B lines if
there are too many PTZ decoders.
T+,T-,R+,R-
They are four-wire full-duplex RS485 port
T+ T-: output wire
R+ R-: input wire
3.7.2 Alarm Input Port
Please refer to the following sheet for more information.
 Grounding alarm inputs. Normal open or Normal close type)