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Cisco Systems ONS 15310-MA Switch User Manual

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Cisco ONS 15310-CL and Cisco ONS 15310-MA Troubleshooting Guide, R7.0

Test the Facility Loopback Circuit 1-13

Test the Electrical Cabling 1-13

1.3 Identify Points of Failure on an OC-N Circuit Path 1-14

1.3.1 Perform a Facility Loopback on a Source-Node OC-N Port 1-14

Create the Facility Loopback on the Source OC-N Port 1-14

Test the Facility Loopback Circuit 1-15

1.3.2 Perform a Cross-Connect Loopback on the Source OC-N Port 1-15

Create the Cross-Connect Loopback on the Source OC-N Port 1-16

Test the Cross-Connect Loopback Circuit 1-16

1.3.3 Perform a Terminal Loopback on a Source-Node OC-N Port 1-17

Create the Terminal Loopback on a Source Node OC-N Port 1-17

Test the Terminal Loopback Circuit 1-18

1.3.4 Perform a Facility Loopback on an Intermediate-Node OC-N Port 1-18

Create the Facility Loopback on an Intermediate-Node OC-N Port 1-19

Test the Facility Loopback Circuit 1-20

1.3.5 Perform a Terminal Loopback on an Intermediate-Node OC-N Port 1-20

Create the Terminal Loopback on an Intermediate-Node OC-N Port 1-20

Test the Terminal Loopback Circuit 1-21

1.3.6 Perform a Facility Loopback on a Destination-Node OC-N Port 1-22

Create the Facility Loopback on a Destination-Node OC-N Port 1-22

Test the Facility Loopback Circuit 1-23

1.3.7 Perform a Terminal Loopback on a Destination-Node OC-N Port 1-24

Create the Terminal Loopback on a Destination-Node OC-N Port 1-24

Test the Terminal Loopback Circuit 1-25

1.4 Troubleshooting Wideband Electrical Card(WBE-28 and WBE-84 Cards) FEAC on DS3 Ports 1-25

1.4.1 FEAC Send Code 1-26

1.4.2 WBE-28/WBE-84 Inhibit FEAC Loopback 1-27

1.4.3 FEAC Alarms 1-27

1.5 Troubleshooting WBE-28 and WBE-84 Cards with Far End Loopcodes on DS1 Ports 1-27

1.5.1 FEAC Send Code 1-28

1.5.2 WBE-28/WBE-84 Inhibit FEAC Loopback 1-28

1.6 Troubleshooting Ethernet Circuit Paths With Loopbacks 1-28

1.6.1 Perform a Facility Loopback on a Source-Node Ethernet Port 1-29

Create the Facility Loopback on the Source-Node Ethernet Port 1-29

Test and Clear the Facility Loopback Circuit 1-29

Test the Ethernet Card 1-30

1.6.2 Perform a Terminal Loopback on a Source-Node Ethernet Port 1-31

Create the Terminal Loopback on a Source-Node Ethernet Port 1-31

Test and Clear the Ethernet Terminal Loopback Circuit 1-32

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