User's Manual

GVR3550 USER MANUAL
Grandstream Networks, Inc. GVR3550 User Manual Page 18 of 76
Firmware Version 1.0.0.0 Last Updated: 10/2013
CONNECT HDMI MONITOR(TBD)
Connect one end of the HDMI cable to the port on the rear panel of the GVR3550, and the other end to the
corresponding port of the HDMI monitor. Once powered on, a splash screen appears on the monitor.
GVR3550 can automatically adapt to HDMI monitor with 1080p and 720p resolution.
CONNECT VGA MONITOR
Connect one end of the VGA cable to the port on the rear panel of the GVR3550, and the other end to the
corresponding port of the VGA monitor. Once powered on, a splash screen appears on the monitor.
NOTE:
 VGA doesn’t support automatic resolution matching.
 There is only one valid output when connected with VGA and HDMI monitor at the same time. On
this occasion, HDMI is valid while VGA is not by default. Users can also go to System
Settings->Display to set parameters like Screen Resolution, Brightness,Contrast,Saturation and
Hue.
CONNECT ALARM DEVICE
Alarm input/output device connection procedures are as follows:
1. Connect the alarm input device to the alarm input port.
2. Connect the alarm output device to the alarm output port.
3. Enter the GVR3550 main menu, make corresponding settings to alarm input/output on the Alarm Settings
page. Alarm serial number 1 corresponds to the first alarm input channel on the GVR3550 I / 0 port.The
following numbers keep to the same matching sequence. Set normally-opened alarm and
normally-closed alarm according to the corresponding generated high /low level input when there is an
alarm.
4. Set alarm output on the Alarm Settings page. Alarm output 1 corresponds to the first alarm output channel
on the GVR3550.The following numbers keep to the same matching sequence.
EXTERNAL INTERCOM DEVICE (TBD)