Grandstream Networks GSC3570 User Manual page 15

Now press the doorbell or switch (AIN1and GND short-circuit), "DING DONG" doorbell tone will be played at GSC3570, a
green open door virtual button will be displayed in the screen (if configured and wired the strike). Press the green "Open
door" virtual button, the relay will take reaction to open the door. The GSC3570 top right corner will also display a door
opened icon and an "alarm" icon and "Message" will be displayed with front and back red LED flashing, reminding there is an
open door (alarming) event happened. Press the "Messages" icon to check what the message is then exit the UI, the alarm
message and the flashing LEDs will disappear.
Open Door via GDS37xx with or without a SIP Call
This feature is requested by customers and implemented to meet customer's application requirement, where GDS37XX paired
with GSC3570 to open door while no sip call required.
This feature needs related matching GDS37XXfirmware to work. The minimum firmware version needed:
GDS3710: 1.0.7.19 or higher.
GDS3705: 1.0.1.13 or higher.
From GDS37XX side, the configuration is the same. Only difference is the number of doors be controlled: If using Local Relay
controlled by GDS37XX, TWO DOORS can be controlled.
Figure 21: Arming mode
Figure 22: Alarm flashing icon and open door button
Figure 23: Alarm Messages