Spectracom VelaSync 1225, User Manual

Page: 220 / 272

5.1 Troubleshooting
This section is intended to assist you with troubleshooting VelaSync.
The WebUI provides status information that can be used to help troubleshoot failure
symptoms that may occur.
Please also consult the OEM documentation for Supermicro™ SuperO
®
SuperServer
5018R-WR which can be found online under:
https://www.supermicro.com/manuals/superserver/1U/MNL-1771.pdf
For Technical Support contact information see "Technical Support" on page 240 .
5.1.1 Minor and Major Alarms
Minor Alarm
There are several conditions that can cause the Web UI status lights to indicate a Minor
alarm has been asserted. These conditions include:
Too few GPS satellites, 1st threshold : The GNSS receiver has been tracking
less than the minimum number of satellites for too long of a duration. Refer to
"Troubleshooting GNSS Reception" on page 212 for information on troubleshoot-
ing GNSS reception issues.
Major Alarm
There are several conditions that can cause the Web UI status lights to indicate a Major
alarm has been asserted. These conditions include:
Frequency error : Indicates a jump in the oscillator’s output frequency has been
detected. Contact Tech Support for additional information.
1PPS is not in specification : The 1PPS input reference is either not present or is
not qualified.
System Sync : A Major alarm is asserted when the Timing System is not in sync
(Input references are not available and the unit is not in Holdover). Examples of
not being synced include:
208 VelaSync User's Manual
APPENDIX