Chapter 2 TL1 Reference
TL1 Command and Response Conventions
28 SSU-2000 Technical Reference 12713020-003-2 Revision F.01 – January 2007
time is the current hours, minutes, and seconds timestamp information in the
SSU-2000 in the 24-hour format: HH:MM:SS.
IP is the in-process response message that the SSU-2000 sends in response to
a command only if the SSU is unable to respond to the command within two
seconds. The SSU sends the requested response in full when the data is
available.
ctag (Correlation Tag) field is a six-digit alpha-numeric message identifier code
that is received with the command and returned in the response, for correlation of
message and response within the operating system.
The IP acknowledgment response always terminates with the less-than
character (<). The semicolon appears after the requested output response
message is sent.
Output Response Message Conventions
The output response indicates whether the SSU-2000 complied with (COMPLD) or
denied (DENY) the input command.
COMPLD Output Response Message Conventions – If the message is received
correctly and can be processed by the SSU-2000 within two seconds, the complied
message is sent with data that was requested in the input command message. The
requested data is included in the response message lines and is always enclosed in
quotation marks.
The format for a complied (COMPLD) output response message is:
<cr lf lf>
^^^sid^date^time <cr lf>
M^^ctag^COMPLD <cr lf>
[^^^"response message" <cr lf>]
[...]
;
where:
sid (Source Identifier) is the returned ID, and is the same as the tid in the input
command message to which the IP acknowledgment is responding
date is the current year, month, and day in the SSU-2000 in the format:
YY-MM-DD
time is the current hours, minutes, and seconds timestamp information in the
SSU-2000 in the 24-hour format: HH:MM:SS
ctag (Correlation Tag) field is a six-digit alpha-numeric message identifier code
that is received with the command and returned in the response, for correlation of
message and response within the operating system
COMPLD is the complied message
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