Cisco ONS 15454 Troubleshooting Manual page 4

Contents
Cisco ONS 15454 Troubleshooting Guide, R8.5
iv
Retest the Original Cross-Connect Card
1.2.3 Perform an XC Loopback on a Destination-Node OC-N STS (West to East) Carrying an Electrical
Signal
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Create the XC Loopback on a Destination-Node OCN STS
Test and Clear the XC Loopback Circuit
Test the Standby Cross-Connect Card
Retest the Original Cross-Connect Card
1.2.4 Perform a Terminal Loopback on a Destination Electrical Port (West to East)
Create the Terminal Loopback on a Destination DS-3, DS3N-12, DS3i-N-12, or EC1 Port
Test and Clear the DS-3, DS3N-12, DS3i-N-12, or EC1 Destination Port Terminal Loopback
Circuit
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Create the Terminal Loopback on a Destination DS-3E or DS3XM Port
Test and Clear the DS-3E or DS3XM Destination Port Terminal Loopback Circuit
Test the Destination Electrical Card
1.2.5 Perform a Facility Loopback on a Destination-Node Electrical Port (East to West)
Create the Facility Loopback on the Destination DS-1, DS-3, DS3N-12, DS3i-N-12, or EC-1
Port
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Test and Clear the DS-3, DS3N-12, DS3i-N-12, or EC-1 Port Facility Loopback Circuit
Create the Facility Loopback on the Source DS3E or DS3XM Port
Test and Clear the DS3E or DS3XM Port Facility Loopback Circuit
Test the Electrical Cabling
Test the Electrical Card
Test the EIA
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1.2.6 Perform a Hairpin Test on a Destination-Node Electrical Port (East to West)
Create the Hairpin Circuit on the Destination-Node Port
Test and Delete the Electrical Hairpin Circuit
Test the Standby Cross-Connect Card
Retest the Original Cross-Connect Card
1.2.7 Perform an XC Loopback on a Source-Node OC-N STS (East to West)
Carrying an Electrical Circuit
Create the XC Loopback on the Source OC-N Port Carrying an Electrical Circuit
Test and Clear the XC Loopback Circuit
Test the Standby Cross-Connect Card
Retest the Original Cross-Connect Card
1.2.8 Perform a Terminal Loopback on a Source-Node Electrical Port (East to West)
Create the Terminal Loopback on a Source DS-1, DS-3, DS3N-12, DS3i-N-12, or EC1 Port
Test and Clear the DS-3, DS3N-12, DS3i-N-12, or EC1 Port Terminal Loopback
Create the Terminal Loopback on a Source DS3E or DS3XM Port
Test and Clear the DS3E or DS3XM Port Terminal Loopback Circuit
Test the Source Electrical Card
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