Spectracom Format 9
Format 9 provides Day-of-Year and Time information.
Example message:
<SOH>DDD:HH:MM:SSQ<CR><LF>
Where:
SOH |
Start of header (ASCII Character 1) |
DDD |
Day of Year (001-366) |
: |
Colon Separator |
HH |
Hours (00-23) |
MM |
Minutes (00-59) |
SS |
Seconds (00-59) (00-60 for leap second) |
Q |
Time Sync Status [as INPUT] space = SYNC ‘.’ = SYNC ‘*’=NOT IN SYNC ‘#’ = NOT IN SYNC “?” = NOT IN SYNC |
Q |
Time Sync Status [as OUTPUT] space = Time error is less than time quality flag 1's threshold (TFOM < or = 3) “.” = Time error has exceeded time quality flag 1's threshold (TFOM = 4) “*” = Time error has exceeded time quality flag 2's threshold (TFOM = 5) “#” = Time error has exceeded time quality flag 3's threshold (TFOM = 6) “?” = Time error has exceeded time quality flag 4's threshold OR a reference source is unavailable (TFOM >=7) |
CR |
Carriage Return (ASCII Character 13) |
LF |
Line Feed (ASCII Character 10) |
The leading edge of the first character (CR
) marks the on-time point of the data stream.
Format 9S
Format 9S is a variation of ASCII Format 9 that uses Sysplex compatible fields indicating sychronization status:
FL_SYNC_SYS_REF_NONE ('X') |
Never been in sync |
FL_SYNC_SYS_REF_YES (' ') |
In sync with a reference |
FL_SYNC_SYS_REF_LOST ('F') |
Out of sync, lost reference |