Safety compliances, Safety, Compliances – Grandstream GVR3550 User Manual User Manual
Page 9

Grandstream Networks, Inc.
GVR3550 User Manual
Page 9 of 120
Firmware Version 1.0.0.65
Last Updated: 10/2014
SAFETY COMPLIANCES
These instructions are intended to assist users to safely operate the GVR3550, avoid dangerous situations
or damage the device.
Warning:
Input voltage should meet both the SELV (Safety Extra Low Voltage) and the Limited Power
Source with DC 12V 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.
Caution:
Make sure that the power supply voltage is correct before using the camera.
Do not drop the device or expose it to physical shock.
Do not expose the device to temperatures outside the range of 0 oC to +50oC when the device is
in operation.
Do not expose the device to damp/wet conditions or high electromagnetism radiation.
To avoid heat accumulation, make sure that your operating environment has proper ventilation.
Do not damage the warranty sticker.
A few parts (e.g. electrolytic capacitor) of the equipment shall be replaced regularly according to their
average lifetime. The average lifetime varies from the differences between operating environments
and usage history. Regular maintenance checks are recommended for all users. Please contact your
dealer for more details.
Warning: May cause serious injury or death if any
of the warnings below are neglected.
Caution: Equipment may be damged if any of the
following caution messages are neglected.