(c) Alarm in and alarm reset

There is 1 alarm sensor in for 1 channel and 1 alarm reset in, the alarm input can be set to Normally Open or Normally Closed by user.

ALARM

CIRCUITSENSOR 1

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2

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ALARM RESET
Alarm in

There is one alarm input. Please connect the alarm input in the same sequence as the camera input BNC.

When alarm signal comes in, the Digital Video Recorder will do the following:1.Display Alarm Message2.Turn on the buzzer if the buzzer setting is on.The ALARM in can be selected as normally open input or normally closed input:Normally Open : If the alarm input is selected as Normally Open input, then the

(N.O.)

input is opened normally, and shorted to the ground means an alarm happens.

Normally Close : If the alarm input is selected as Normally Close input, then the

(N.C.)

input is shored to the ground normally, and opened input means an alarm

 

happens.

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