12-25
Cisco ONS 15327 User Documentation, R3.3
June 2002
Chapter 12 Maintenance
Network Test Procedures
Procedure: Test the Hairpin Loopback Circuit
Step 1
If the test set is not already sending traffic, send test-set traffic on the loopback circuit.
Step 2
Examine the test traffic received by the test set. Look for errors or any other signal information that the
test set is capable of indicating.
Step 3
If the test set indicates a good circuit, no further testing is necessary with the hairpin loopback circuit.
a.
Clear the hairpin loopback circuit before testing the next segment of the network circuit path.
b.
Proceed to the
“Perform a Hairpin on a Destination Node XTC Card” procedure on page 12-26
Step 4
If the test set indicates a faulty circuit, there may be a problem with the XTC card. Proceed to the
the Alternate Source XTC Card” procedure on page 12-25
Procedure: Test the Alternate Source XTC Card
Step 1
Perform a software reset on the active XTC card.
Caution
XTC side switches are service-affecting. Any live traffic on any card in the node will endure
a hit of up to 50 ms.
Note
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.
Step 2
Resend test-set traffic on the loopback circuit. The test-set traffic now travels through the alternate XTC
card.
Step 3
If the test set indicates a faulty circuit, assume the XTC card is not causing the problem.
a.
Clear the loopback circuit before testing the next segment of the network circuit path.
b.
Proceed to the
“Perform a Hairpin on a Destination Node XTC Card” procedure on page 12-26
Step 4
If the test set indicates a good circuit, the problem may be a defective card. To confirm a defective
original XTC card, proceed to the
“Retest the Original Source XTC Card” procedure on page 12-25
Procedure: Retest the Original Source XTC Card
Step 1
Perform a side switch of the XTC cards to make the original card the active card.
Step 2
Resend test-set traffic on the loopback circuit.
Step 3
If the test set indicates a faulty circuit on the original card, the problem is probably the defective card.
a.
Return the defective card to Cisco through the returned materials authorization (RMA) process. Call
the Cisco Technical Assistance Center (TAC) at 1-877-323-7368 to open an RMA case.
b.
Make sure the defective cross-connect card is replaced (such as with the former standby card, or with
another known-good card).
Содержание ONS 15327
Страница 22: ...Contents xxii Cisco ONS 15327 User Documentation June 2002 I N D E X ...
Страница 30: ...Figures xxviii Cisco ONS 15327 User Documentation June 2002 ...
Страница 44: ...Procedures xlii Cisco ONS 15454 Installation and Operations Guide R3 2 June 2002 ...
Страница 82: ...1 32 Cisco ONS 15327 User Documentation R3 3 June 2002 Chapter 1 Hardware Installation Hardware Specifications ...
Страница 166: ...4 22 Cisco ONS 15327 User Documentation R3 3 June 2002 Chapter 4 IP Networking ONS 15327 Routing Table ...
Страница 254: ...7 22 Cisco ONS 15327 User Documentation R3 3 June 2002 Chapter 7 Card Provisioning Using Virtual Wires ...
Страница 408: ...13 26 Cisco ONS 15327 User Documentation R3 3 June 2002 Chapter 13 Card Reference E10 100 4 Card ...
Страница 540: ...Glossary GL 16 Cisco ONS 15327 User Documentation R3 3 June 2002 ...