Cisco ONS 15454 - Page 5

Contents
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Cisco ONS 15454 Troubleshooting Guide, R8.5
November 2009
1.3 Troubleshooting DS3XM-6 or DS3XM-12 Card Electrical Paths With FEAC Loopbacks 1-45
1.3.1 FEAC Send Code 1-46
1.3.2 DS-3E and DS3i-N-12 Inhibit Loopback 1-47
1.3.3 DS3XM-6 and DS3XM-12 Inhibit FEAC Loopback 1-47
1.3.4 FEAC Alarms 1-47
1.4 Troubleshooting Optical Circuit Paths With Loopbacks 1-47
1.4.1 Perform a Facility Loopback on a Source-Node Optical Port 1-48
Create the Facility Loopback on the Source Optical Port 1-48
Test and Clear the Facility Loopback Circuit 1-49
Test the OC-N Card 1-49
1.4.2 Perform a Terminal Loopback on a Source-Node Optical Port 1-50
Create the Terminal Loopback on a Source-Node Optical Port 1-50
Test and Clear the Terminal Loopback Circuit 1-52
Test the Optical Card 1-52
1.4.3 Perform an XC Loopback on the Source Optical Port 1-53
Create the XC Loopback on the Source-Node Optical Port 1-53
Test and Clear the XC Loopback Circuit 1-54
Test the Standby Cross-Connect Card 1-55
Retest the Original Cross-Connect Card 1-56
1.4.4 Perform a Facility Loopback on an Intermediate-Node Optical Port 1-57
Create a Facility Loopback on an Intermediate-Node Optical Port 1-57
Test and Clear the Facility Loopback Circuit 1-58
Test the Optical Card 1-59
1.4.5 Perform a Terminal Loopback on Intermediate-Node Optical Ports 1-59
Create a Terminal Loopback on Intermediate-Node Optical Ports 1-60
Test and Clear the Optical Terminal Loopback Circuit 1-61
Test the Optical Card 1-62
1.4.6 Perform a Facility Loopback on a Destination-Node Optical Port 1-63
Create the Facility Loopback on a Destination-Node Optical Port 1-63
Test and Clear the Optical Facility Loopback Circuit 1-64
Test the Optical Card 1-65
1.4.7 Perform a Terminal Loopback on a Destination-Node Optical Port 1-65
Create the Terminal Loopback on a Destination-Node Optical Port 1-66
Test and Clear the Optical Terminal Loopback Circuit 1-67
Test the Optical Card 1-68
1.5 Troubleshooting Ethernet Circuit Paths With Loopbacks 1-68
1.5.1 Perform a Facility Loopback on a Source-Node Ethernet Port 1-69
Create the Facility Loopback on the Source-Node Ethernet Port 1-70
Test and Clear the Facility Loopback Circuit 1-70
Test the Ethernet Card 1-71