
GVR3550 USER MANUAL
Grandstream Networks, Inc.
GVR3550 User Manual
Page
71 of 76
Firmware Version 1.0.0.0
Last Updated: 10/2013
EXPERIENCING GVR3550
to receive the most up-to-date updates on
firmware releases, additional features, FAQs, documentation and news on new products.
We encourage you to browse our product related documentation, FAQs and User and Developer Forum for
answers to your general questions. If you have purchased our products through a Grandstream Certified
Partner or Reseller, please contact them directly for immediate support.
Our technical support staff is trained and ready to answer all of your questions. Contact a technical support
member or submit a trouble ticket online to receive in-depth support.
Thank you again for purchasing Grandstream Enterprise Application phone, it will be sure to bring
convenience and color to both your business and personal life.
http://www.grandstream.com
APPENDIX
FAQs
1.
The GVR3550 is unable to start properly after normal startup
Unmatched input power
Poor contact of power cables
Damaged power switch
System upgrade errors
Damaged HDD or HDD cables problem.
Front panel error
Damaged mainboard
2.
The GVR3550 would reboot automatically or crashes frequently in a few minutes after
startup
Unstable input power or low voltage.
No enough power
Incorrect jumpers.