Ir remote control, Figure 12: ir remote control, Remote – Grandstream GVR3550 User Manual User Manual
Page 27: Control, Igure, Emote, Ontrol
Grandstream Networks, Inc.
GVR3550 User Manual
Page 27 of 120
Firmware Version 1.0.0.65
Last Updated: 10/2014
11
Alarm output
1～2:
2 sets alarm output interface, output alarm signal to the
external alarm device, power supply is required for external
alarm device.
12
--
Alarm Grounding
Public alarm input grounding interface
13
Grounding
Grounding
14
--
FAN
For heat dissipation
IR REMOTE CONTROL
Figure 12: IR Remote Control