Cisco 15310-MA Guida alla Risoluzione dei Problemi Scaricare il pdf (Pagina 3)

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Cisco ONS 15310-CL and Cisco ONS 15310-MA Troubleshooting Guide, Release 9.0

78-18394-01

CONTENTS

Preface xxvii

Revision History xxvii

Document Objectives xxviii

Audience xxviii

Related Documentation xxviii

Document Conventions xxix

Obtaining Optical Networking Information xxxv

Where to Find Safety and Warning Information xxxv

Cisco Optical Networking Product Documentation CD-ROM xxxv

Obtaining Documentation and Submitting a Service Request xxxv

CHAPTER

1 General Troubleshooting 1-1

1.1 Network Troubleshooting Tests 1-2

1.1.1 Facility Loopback 1-2

1.1.2 Terminal Loopback 1-3

1.1.3 Hairpin Circuit 1-3

1.1.4 Cross-Connect Loopback 1-3

1.2 Identify Points of Failure on an Electrical Circuit Path 1-3

1.2.1 Perform a Facility Loopback on a Source-Node Port 1-4

Create the Facility Loopback on the Source-Node Port 1-4

Test the Facility Loopback 1-5

Test the Electrical Cabling 1-6

1.2.2 Perform a Hairpin on a Source-Node Port 1-6

Create the Hairpin on the Source-Node Port 1-6

Test the Hairpin Circuit 1-7

1.2.3 Perform a Terminal Loopback on a Destination-Node Port 1-7

Create the Terminal Loopback on a Destination-Node Port 1-7

Test the Terminal Loopback Circuit on the Destination-Node Port 1-9

1.2.4 Perform a Network Interface Unit Loopback on a Destination-Node Port 1-9

DS1 Inhibit FEAC Backplane Loopback 1-10

Create the NIU Loopback on a Destination-Node DS1 Port 1-10

Test and Clear the DS1 NIU Loopback Circuit 1-12

1.2.5 Perform a Hairpin Test on a Destination-Node Port 1-13

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Cisco 15310-MA Guida alla Risoluzione dei Problemi Pagina 3