Cisco ONS 15310-CL, Руководство по устранению неисправностей

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1-5
Cisco ONS 15310-CL and Cisco ONS 15310-MA Troubleshooting Guide, R7.0
78-17235-01
Chapter 1 General Troubleshooting
1.2.1 Perform a Facility Loopback on a Source-Node Port
Step 3
Use CTC to create the facility loopback on the port being tested:
a. In node view, double-click the card where you are performing the loopback, then click the
appropriate tab:
•
Maintenance > DS1 > Loopback
•
Maintenance > DS3 > Loopback
•
Maintenance > EC1 > Loopback
b. Choose OOS,MT from the Admin State column for the port being tested.
c.
Choose Facility from the Loopback Type column for the port being tested.
d. Click Apply .
e.
Click Yes in the confirmation dialog box.
Note
It is normal for a facility loopback 1.7.156 LPBKFACILITY (DS1, DS3) or
1.7.157 LPBKFACILITY (EC1) condition to appear during loopback setup. The condition
clears when you remove the loopback.
Step 4
Continue with the “Test the Facility Loopback” procedure on page 1-5 .
Test the Facility Loopback
Step 1
If the test set is not already sending traffic, send test-set traffic on the loopback circuit.
Step 2
Examine the 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, complete the following steps:
a. Double-click the electrical card, then click the appropriate tab:
•
Maintenance > DS1 > Loopback
• Maintenance > DS3 > Loopback
•
Maintenance > EC1 > Loopback
b.
Choose None from the Loopback Type column for the port being tested.
c.
Choose the appropriate state ( IS,AINS ; OOS,DSBLD ; or OOS,MT ) from the Admin State column
for the port being tested.
d. Click Apply .
e.
Click Yes in the confirmation dialog box.
Step 4 If the test set indicates a faulty circuit, the problem might be a faulty card, faulty port, or faulty cabling
from the electrical port. Continue with the
“Test the Electrical Cabling” procedure on page 1-6 .