Dvr i/o output, Re la y – LT Security LTD7726 CD User Manual
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4． Alarm Input and Output
There are 8 sets alarm input connector and 1 set output for this DVR. Alarm input is for
connection IR annunciator, fog sensor. The connection diagram of DC alarm input as
following:
Connection diagram of AC alarm input as following:
The connection diagram of alarm output as following:
R
E
LA
Y
12V
220V
AC
24V
DVR I/O output
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