12713020-002-2 Revision D – April 2004 SSU-2000 User’s Guide 273
TL1 Command Interface
The GR-831 format for an autonomous event report is:
<cr lf lf>
^^^sid^date^time <cr lf>
alrmcde^atag^REPT^EVT<cr lf>
^^^”aid:ntfcncde,condtype,srveff,ocrdat,ocrtm:condscr”<cr lf>
where:
sid is the source ID, and is the assigned name of the unit sending the message
date is the current date in the format: YY-MM-DD
time is the current timestamp information in the 24-hour format HH-MM-SS
alrmcde (Alarm Code) indicates the severity level of the reported alarm or event.
The alarm code is one of these four two-character codes:
*C= critical alarm
** = major alarm
*^ = minor alarm
A^= non-alarm event
atag (Alarm Correlation Tag) is a six-digit correlation tag that is incremented each
time a message is sent
REPT (Report) indicates an autonomous report
AIDTYPE indicates the cause for the report, such as input signal fault (INP or T1)
or module hardware faults (EQPT)
"response message" is the response message. The format for the response
message line is:
^^^”[aid]:ntfcncde,condtype,srveff,ocrdat,ocrtm[:condscr]” <cr lf>
where:
–
ntfcncde (Notification Code) is an optional field that further describes the
alarm or event in an output response or autonomous report, if required.
The notification code is one of these two-character codes:
CR Critical alarm;
MJ Major alarm;
MN Minor alarm:
CL Cleared alarm;
NA Event (not an alarm)
–
condtype (Condition Type) indicates the type of alarm or event that the
message is reporting
–
srveff (Service Affecting or Not Service Affecting) indicates whether the
response message affects service: SA (Service Affecting response) or
NSA (Not Service Affecting response)
–
ocrdat (Occurrence Date) indicates the date of occurrence in the format
YY-MM-DD (year, month, day)
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