(Space) When NetClock is synchronized to UTC source.
* When NetClock time is set manually.
? When NetClock 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)
: 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.
402 NetClock User Reference Guide
APPENDIX
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