Sampo DR-S0426 Manual de Instruções descarregar pdf (Página 22)

7 External alarm connector

External alarm functions only when DVR has been set under recording mode. 4 input

ports to receive signals from external alarm and GND port for termination. When

external alarm is triggered, currents will be grounded through GND port to activate the

external alarm.

a. Texts "ALM" will be displayed on OSD corresponding channel.

b. Relay action.

c. Recording speed will be switch from normal mode to alarm mode (refer to chapter

4 about recording setting).

d. If setting "A" has been set in schedule recording, will only perform recording when

alarm is triggered during schedule "A" period.

Terminal connector：

Pin 1-4 ----- ALARM1-ALARM4，Camera alarm input.

GND ----- GND

N.C ----- Relay N.C，Alarm output N.C

COM ----- Relay COM

N.O ----- Relay N.O，Alarm output N.O

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Sampo DR-S0426 Manual de Instruções Página 22