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ADCP-61-471 • Issue 4 • June 2000 • Section 2: Operation and Maintenance
2-279
© 2000, ADC Telecommunications, Inc.
TAD-105
Page 3 of 8
It should be noted that if no data block parameters are required for a command, the colon
separating the correlation block from the data block may be omitted. Trailing commas in the data
block (that is, commas used as position place holders that have no parameter values following
them) may also be omitted. This action selects default values and can only be used after the last
required parameter. For example:
RTRV-ATTR-Tl : SONEPLEX : 1-2-3-1:123::, , , , ;
RTRV-ATTR-T1 : SONEPLEX : 1-2-3-1:123;
Because of the trailing commas rule, the expression : [a] , [b] , [c] , [d] ; implies [ : [[a] [ , [b] [ ,
[c] [ , [d] ] ] ] ] ] ;.
TL1 Response Syntax
TL1 output has three distinct types of messages:
1. Full response messages sent to indicate completion or denial of a request.
2. Acknowledgment output sent when a full response may not be sent within 2 seconds.
3. Autonomous messages that are sent without an associated command request.
Full Response Syntax
TL1 responses consist of four components:
<header> <identification of output> <text block> <end of output>
A
header
consists of the following format:
cr lf If
^^^<SID>^YY-MM-DD^HH:MM:SS cr lf
1. SID — Source identification of the Network Element.
2. YY-MM-DD — Year - Month - Day.
3. HH:MM:SS — Hour : Minute : Second.
The
identification of output
consists of the following format:
M^^<CTAG>^<completion code> cr lf
1. M — Priority to indicate that the output is a response to an input message.
2. CTAG — Correlation code.
3. Completion code — Will contain COMPLD to acknowledge the completion of the input
command or DENY to indicate that the input command was not executed. A Deny
response will always include information such as an error code and comments to indicate
why the command was not executed.