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Cisco ONS 15310-CL and Cisco ONS 15310-MA Troubleshooting Guide, R7.0
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Chapter 1 General Troubleshooting
1.6.5 Perform a Facility Loopback on a Destination-Node Ethernet Port
Step 3
If the test set indicates a good circuit, the problem was probably the defective card. Return the defective
card to Cisco through the RMA process. Contact Cisco Technical Support (1 800 553-2447).
Step 4
Complete the
“Physically Replace a Card” procedure on page 1-155
for the defective card.
Step 5
Clear the terminal loopback on the port:
a.
Double-click the source-node 15310-CL-CTX or CTX2500 with the terminal loopback.
b.
Click the
Maintenance > Optical > Loopback > Port
tabs.
c.
Select
None
from the Loopback Type column for the port being tested.
d.
Select the appropriate state (IS; OOS,DSBLD; OOS,MT) in the Admin State column for the port
being tested.
e.
Click
Apply
.
f.
Click
Yes
in the confirmation dialog box.
Step 6
Clear the terminal loopback circuit:
a.
Click the
Circuits
tab.
b.
Choose the loopback circuit being tested.
c.
Click
Delete
.
d.
Click
Yes
in the Delete Circuits dialog box. Do not check any check boxes.
Step 7
Complete the
“1.6.5 Perform a Facility Loopback on a Destination-Node Ethernet Port” procedure on
page 1-38
.
1.6.5 Perform a Facility Loopback on a Destination-Node Ethernet Port
You perform a facility loopback test at the destination port to determine whether this local port is the
source of circuit trouble.
Caution
Performing a loopback on an in-service circuit is service-affecting.
Note
Facility loopbacks require on-site personnel.
Complete the
“Create the Facility Loopback on a Destination-Node Ethernet Port” procedure on
page 1-38
.
Create the Facility Loopback on a Destination-Node Ethernet Port
Step 1
Connect a test set to the CE100T-8 card that you are testing:
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