Spectracom Format 8 - Safran SecureSync 2400 User Manual

5.4.11

Spectracom Format 8

Format 8 includes a time synchronization status character, the four digit year,
day of year, time reflecting Time Zone Offset and DST corrections when enabled.
Format 8 also includes the DST/Standard Time indicator, and the Time Zone Off-
set value. Format 8 data structure is shown below:
E x a m p l e :
CR LF I ^ ^YYYY^ DDD ^ HH:MM:SS ^ D+XX CR LF
or
CR LF I ^ ^YYYY^ DDD ^ HH:MM:SS ^ D-XX CR LF
Where:
CR
LF
I
YYYY
^
DDD
HH
:
MM
SS
D
XX
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)
*
?
The time and date can be set to either local time or UTC time, depending upon
the configuration of the output port.
SecureSync 2400 User Manual
Carriage Return
Line Feed
Time Sync Status (space, ?, *)
Four digit year indication
Space separator
Day of Year (001-366)
Hours (00-23)
Colon separator
Minutes (00-59)
Seconds (00-60)
Daylight Saving Time indicator (S,I,D,O)
Time Zone Switch Setting (±00...12)
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.
APPENDIX
575