User's Manual

GVR3550 USER MANUAL
Grandstream Networks, Inc. GVR3550 User Manual Page 9 of 76
Firmware Version 1.0.0.0 Last Updated: 10/2013
SAFETY COMPLIANCE
These instructions are intended to assist users with the operation of the GVR3550 and to instruct on how to
avoid dangerous situations or damage to the device.
Warning: Serious injury or death may be caused if any of the warnings below are neglected.
Caution: Injury or damage to the equipment may occur if any of the following caution messages are
neglected.
Warning: Follow these safe guards to prevent serious injury death.
Caution: Follow these precautions to prevent potential injury or material damage.
Warning:
Input voltage should meet both the SELV(Safety Extra-Low Voltage) and the Limited Power Source with
DC12V according to the IEC60950-1 standard. Please refer to the technical specifications for more details.
Do not use a third-party power adapter or power cord. When the device installed on the wall or ceiling,
make sure that it is firmly attached.
Notice ：
 Please ensure stable grounding condition so as to avoid video and audio signal
interference as well as being damaged by static electricity or induced voltage.
 Please do not electrify plug the audio/video cables and RS 232; otherwise these ports
can be easily damaged.
 Please do not turn off the GVR power switch directly, use the shutdown button on the
front panel (long hold the button for more than 3 seconds) to enable the device to
switch off automatically so as not to damage HDD.
 Keep hot reservoir and high temperature environment away from the GVR.
 Ensure unit is installed in a well-ventilated environment to facilitate heat dissipation.
 Please carry out inspections and maintenance at regular intervals.