Alarm In/Out; Figure 7: Alarm_In/Out Circuit For Gds3710 - Grandstream Networks GSC3570 User Manual

Alarm IN/OUT

rd
Alarm_In could use any 3
Alarm_Out device could use 3
The figure below shows illustration of the Circuit for Alarm_In and Alarm_Out.
Notes:
•
The Alarm_In and Alarm_Out circuit for the GSC3570 should meet the following requirement:
Alarm Input
Alarm Output
•
The Alarm_In circuit, if there is any voltage change between 9V and 15V, as specified in the table
above, the GSC3570 Alarm_In port will detect it and trigger the action and event.
•
Higher voltage and wrong polarity connection are prohibited because this will damage the devices.
party Sensors (like IR Motion Sensor).
rd
party Siren and Strobe Light, or Electric Door Striker, etc.

Figure 7: Alarm_In/Out Circuit for GDS3710

9V<Vin<15V, PINs (1.02KΩ)
125VAC/0.5A, 30VDC/2A, Normal Open, PINs
GSC3570 User Manual
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