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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