You can delete logs at any time, see "Clearing Selected Logs" on page318.
4.5.2.1 Types of Logs
SecureSync generates log files for the following event categories:
Alarms Log
Displays log entries for the Timing System, for example:
The Unit has Rebooted: SecureSync was either rebooted or power cycled.
In Holdover: Input references were available, but all input references have since been
lost. If the references are not restored before the Holdover period expires, time sync will
be lost.
No longer in Holdover: Input references were lost at one point (or declared not valid), but
have since been restored OR the Input references were not restored before the Holdover
period expired (Time Sync alarm is asserted).
In Sync: SecureSync is synchronized to its selected Time and 1PPS reference inputs.
Not In Sync: SecureSync is not synchronized to its Time and 1PPS inputs and is not cur-
rently in Holdover. NTP will indicate to the network that it is Stratum 15 and so the time
server likely be ignored as a time reference.
Frequency Error: The oscillator’s frequency was measured and the frequency error was
too large. Or, the frequency couldn’t be measured because a valid input reference was
not available.
Reference change: SecureSync has selected a different Time and 1PPS input reference
for synchronization. Either the previously selected input reference was declared not valid
(or was lost), so a lower priority reference (as defined by the Reference Priority Setup
table) is now selected for synchronization OR a valid reference with higher priority than
the previous reference is now selected for synchronization.
E X A M P L E :
GNSS is the highest priority reference with IRIG input being a lower priority. SecureSync is synced to
GNSS and so GNSS is the selected reference. The GNSS antenna is disconnected and IRIG
becomes the selected reference. The Reference change entry is added to this log.
Authentication Log
Displays log entries for authentication events (e.g., unsuccessful login attempts, an incorrectly
entered password, etc.) that are made to SecureSync’s command line interfaces (such as the
front panel setup port, telnet, SSH, FTP, etc.).
Events Log
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CHAPTER 4 • SecureSync User Reference Guide Rev. 26
4.5 Quality Management
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