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Cisco ONS SONET TL1 Reference Guide, R6.0
About this Guide
Document Objectives
This guide explains the use of Transaction Language 1 (TL1) for the Cisco ONS 15454, ONS 15327, 
ONS 15600 and ONS 15310-CL systems. Use this guide in conjunction with the appropriate publications 
listed in the Related Documentation section.
Audience
To use this publication, you should be familiar with Cisco or equivalent optical transmission hardware 
and cabling, telecommunications hardware and cabling, electronic circuitry and wiring practices, and 
preferably have experience as a telecommunications technician.
Document Organization
The Cisco ONS SONET TL1 Reference Guide, R6.0 is organized into the following chapters:
 • Chapter 1, “General Information,” explains command syntax, autonomous messages, CTC 
interoperability, security level privileges associated with each command, command completion 
behavior, and other general information.
 • Chapter 2, “Procedures and Provisioning,” provides procedures and provisioning for setting up TL1 
communication, test access, gateway, software download, and other procedures and provisioning 
using TL1.
 • Chapter 3, “TL1 Errors,” lists TL1 errors supported by the Cisco ONS 15454, ONS 15327, 
ONS 15600, and ONS 15310-CL.
Related Documentation
Use the Cisco ONS SONET TL1 Reference Guide, R6.0 in conjunction with the following referenced 
publications:
 • Cisco ONS SONET TL1 Command Guide
 
Provides a full TL1 command and autonomous message set including parameters, AIDs, conditions 
and modifiers.
 • Cisco ONS SONET TL1 Command Quick Reference Guide
 
Provides input formats and output formats (where applicable) for all Release 6.0 TL1 commands 
and autonomous messages.
 • Cisco ONS SONET TL1 for Beginners
 
Provides basic beginning instruction for using TL1.
 • Cisco ONS 15454 Procedure Guide
 
Cisco ONS 15327 Procedure Guide
 
Cisco ONS 15310-CL Procedure Guide
 
Cisco ONS 15600 Procedure Guide
 
Provides procedures and tasks for the corresponding Cisco ONS node and network.