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Cisco ONS 15327 Troubleshooting Guide, R3.4
April 2003
CONTENTS
About this Guide xxi
Document Objectives xxi
Audience xxi
Related Documentation xxi
Document Conventions xxii
Where to Find Safety and Warning Information xxiii
Obtaining Documentation xxiii
Cisco.com xxiii
Documentation CD-ROM xxiii
Ordering Documentation xxiv
Documentation Feedback xxiv
Obtaining Technical Assistance xxiv
Cisco.com xxiv
Technical Assistance Center xxv
Cisco TAC Website xxv
Cisco TAC Escalation Center xxvi
Obtaining Additional Publications and Information xxvi
CHAPTER
1 General Troubleshooting 1-1
1.1 Network Troubleshooting Tests 1-2
1.2 Identify Points of Failure on a DS-N Circuit Path 1-4
1.2.1 Perform a Facility Loopback on a Source XTC Port 1-5
Create the Facility Loopback on the Source XTC Port 1-5
Test the Facility Loopback 1-6
Test the DS-N Cabling 1-6
Test the XTC Card 1-7
Test the MIC Cabling 1-7
Test the MIC Card 1-8
1.2.2 Perform a Hairpin on a Source Node XTC Port 1-8
Create the Hairpin on the Source Node Port 1-9
Test the Hairpin Circuit 1-9
Test the Alternate Source XTC Card 1-10
Retest the Original Source XTC Card 1-11
1.2.3 Perform a Terminal Loopback on a Destination XTC Port 1-11