Ir Remote Control; Figure 12: Ir Remote Control - Grandstream Networks GVR3550 User Manual

11
12 --
13
14 --

IR REMOTE CONTROL

Grandstream Networks, Inc.
Alarm output
1～2:
Alarm Grounding
Grounding
FAN

Figure 12: IR Remote Control

GVR3550 User Manual
Firmware Version 1.0.0.65
2 sets alarm output interface, output alarm signal to the
external alarm device, power supply is required for external
alarm device.
Public alarm input grounding interface
Grounding
For heat dissipation
Page 27 of 120
Last Updated: 10/2014