Command Categories
Security Commands
These commands are discussed in Telcordia TR-NWT-835, Issue 3, January 1993.
Transport Surveillance Commands
The syntax for these messages is defined in Telcordia GR-833-CORE, Issue 2, November 1996.
Apart from the specific error responses listed for each command, general error messages can be
transmitted.
Memory Administration Commands
The syntax for these messages is defined in Telcordia GR-199-CORE, Issue 2, November 1996.
Apart from the specific error responses listed for each command, general error messages can be
transmitted. See Error Responses and Appendix D in Telcordia GR-833-CORE, Issue 2,
November 1996.
Network Maintenance Commands
Apart from the specific error responses listed for each command, general error messages can be
transmitted. See Error Responses and Appendix F in Telcordia GR-833-CORE, Issue 2,
November 1996.
Command Modifiers
In the following TL1 command list, many of the commands include command modifiers, as in the
command ALW-LPBK-<FacilityType>. The Wide Bank uses three modifiers, which are described
below with their permissible values.
FacilityType
Facility Types:
E1 – for E1 circuits operating at 2.048 Mbps
T1 – for DS1 circuits operating at 1.544 Mbps
T3 – for DS3 circuits operating at 44.736 Mbps
LSType
Low-Speed Types:
E1 – for E1 circuits operating at 2.048 Mbps
T1 – for DS1 circuits operating at 1.544 Mbps
Wide Bank 28 DS3 - Release 2.4
July 2004
TL1 Commands and Messages
TL1 Overview
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