Cisco ONS 15327 User Documentation page 373
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Also See for ONS 15327:
- Procedure manual (478 pages) ,
- Manual (42 pages) ,
- Reference manual (166 pages)
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Chapter 12
Maintenance
Proceed to the
Step 5
page
Procedure: Test the Hairpin Loopback Circuit on the Destination Node XTC Card
If the test set is not already sending traffic, send test-set traffic on the loopback circuit.
Step 1
Step 2
Examine the test traffic received by the test set. Look for errors or any other signal information indicated
by the test set.
Step 3
If the test set indicates a good circuit, no further testing is necessary with the loopback circuit.
a.
b.
Step 4
If the test set indicates a faulty circuit, the problem may exist with the destination XTC card. Proceed to
the
Procedure: Test the Alternate Destination XTC Card
Step 1
Perform a software reset on the active XTC card.
Caution
Note
Resend test-set traffic on the loopback circuit. The test-set traffic routes through the alternate XTC card.
Step 2
Step 3
If the test set indicates a faulty circuit, assume the cross-connect card is not causing the problem.
a.
b.
If the test set indicates a good circuit, the problem could be a defective card. To confirm a defective
Step 4
original XTC card, proceed to the
June 2002
"Test the Hairpin Loopback Circuit on the Destination Node XTC Card" procedure on
12-27.
Clear the loopback circuit before testing the next segment of the circuit path.
Proceed to the
"Perform a Terminal Loopback on a Destination XTC Card" procedure on
page
12-28.
"Test the Alternate Destination XTC Card" procedure on page
XTC side switches are service-affecting. Any live traffic on any card in the node will endure
a hit of up to 50 ms.
After the active XTC goes into standby, the original standby slot becomes active. This causes
the ACT/STBY LED to become green on the former standby card.
Clear the loopback circuit before testing the next segment of the network circuit path.
Proceed to the
"Perform a Terminal Loopback on a Destination XTC Card" procedure on
page
12-28.
"Retest the Original Destination XTC Card" procedure on page
Cisco ONS 15327 User Documentation, R3.3
Network Test Procedures
12-27.
12-28.
12-27
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