Cisco ONS 15454 Troubleshooting Manual page 89

Chapter 1 General Troubleshooting
Test the Source Electrical Card
Complete the
Step 1
and replace it with a known-good one.
Resend test traffic on the loopback circuit with a known-good card.
Step 2
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. Contact Cisco Technical Support at 1 800 553-2447.
Complete the
Step 4
card.
Clear the terminal loopback state on the port:
Step 5
a.
b.
c.
d.
e.
f.
Delete the terminal loopback circuit:
Step 6
a.
b.
c.
All tests for this circuit are completed.
1.3 Troubleshooting DS3XM-6 or DS3XM-12 Card Electrical
Paths With FEAC Loopbacks
The DS3XM-6 card and DS3XM-12 cards support FEAC functions that are not available on basic DS-3
cards. Click the DS3XM-6 or DS3XM-12 Maintenance > DS1 tabs at the card view to reveal the two
additional function columns.
Inhibit FE Lbk function columns.
November 2009
"Physically Replace a Traffic Card" procedure on page 2-273
"Physically Replace a Traffic Card" procedure on page 2-273
Double-click the electrical card in the destination node with the terminal loopback.
Depending upon the card type, click the Maintenance > Loopback tabs, Maintenance > DS1 tabs,
or Maintenance > DS3 tabs.
The DS-3 Admin State is the basis of the DS-1 Derived State.
Note
Select None from the Loopback Type column for the port being tested.
Select the appropriate state (IS; OOS,DSBLD; OOS,MT; IS,AINS) in the Admin State column for
the port being tested.
Click Apply.
Click Yes in the confirmation dialog box.
Click the Circuits tab.
Choose the loopback circuit being tested.
Click Delete.
Figure 1-19
1.3 Troubleshooting DS3XM-6 or DS3XM-12 Card Electrical Paths With FEAC Loopbacks
shows the DS3 subtab and the additional Send Code and
Cisco ONS 15454 Troubleshooting Guide, R8.5
for the suspected bad card
for the defective electrical
1-45