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1.2.1 Perform a Facility (Line) Loopback on a Source Electrical Port (West to East)
Choose the appropriate state (Unlocked; Locked,disabled; Unlocked,automaticInService) from the
Step 5
Admin State column for the port being tested.
Step 6
Click Apply.
Click Yes in the confirmation dialog box.
Step 7
Complete the
Step 8
Test the Electrical Card
Step 1
Complete the
and replace it with a known-good one.
Removing a card that currently carries traffic on one or more ports can cause a traffic hit. To avoid this,
Caution
perform an external switch if a switch has not already occurred. See the
Lock Initiation, and Clearing" section on page 2-260
refer to the Cisco ONS 15454 SDH Procedure Guide Chapter 15, "Maintain the Node."
Step 2
Resend test traffic on the loopback circuit with a known-good card installed.
If the test set indicates a good circuit, the problem was probably the defective card. Return the defective
Step 3
card to Cisco through the RMA process. Log into the Cisco Technical Support Website at
http://www.cisco.com/techsupport for more information or log into
http://www.cisco.com/warp/public/687/Directory/DirTAC.shtml to obtain a directory of toll-free
Cisco Technical Assistance Center (TAC) numbers for your country.
Complete the
Step 4
In card view for the electrical card, double-click the Maintenance > Loopback tabs.
Step 5
Note
Choose None from the Loopback Type column for the port being tested.
Step 6
Choose the appropriate state (Unlocked; Locked,disabled; Unlocked,automaticInService) from the
Step 7
Admin State column for the port being tested.
Click Apply.
Step 8
Click Yes in the confirmation dialog box.
Step 9
Complete the
Step 10
Test the FMEC
Remove and reinstall the FMEC card to ensure a proper seating:
Step 1
a.
b.
Cisco ONS 15454 SDH Troubleshooting Guide, R5.0
1-12
"Test the Electrical Card" procedure on page
"Physically Replace a Traffic Card" procedure on page 2-271
"Physically Replace a Traffic Card" procedure on page 2-271
The DS-3 Admin State is the basis of the DS-1 Derived State.
"Test the FMEC" procedure on page
Unscrew the screws on the FMEC cover and pull the cover forward.
Loosen the faceplate screws that hold the FMEC card in place.
Chapter 1
1-12.
for the suspected bad card
"2.10.2 Protection Switching,
for basic instructions. For detailed information,
for the faulty card.
1-12.
General Troubleshooting
July 2005
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