CR Carriage Return
LF Line Feed
I Time Sync Status (space, ?, *)
YYYY Four digit year indication
^ Space separator
DDD Day of Year (001-366)
HH Hours (00-23)
: Colon separator
MM Minutes (00-59)
SS Seconds (00-60)
D Daylight Saving Time indicator (S,I,D,O)
XX Time Zone Switch Setting (±00…12)
The leading edge of the first character (CR) marks the on-time point of the data stream. Time
sync status character (I) is described below:
(Space) When SecureSync is synchronized to UTC source.
* When SecureSync time is set manually.
? When SecureSync has not achieved or has lost synchronization to UTC source.
The time and date can be set to either local time or UTC time, depending upon the con
figuration of the output port.
5.4.12 Spectracom Format 9
Format 9 provides Day-of-Year and Time information.
E x a m p l e m e s s a g e :
<SOH>DDD:HH:MM:SSQ<CR><LF>
Where:
SOH Start of header (ASCII Character 1)
DDD Day of Year (001-366)
SecureSync User Reference Guide 511
APPENDIX
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