Cisco ONS 15454 Troubleshooting Manual page 49

Chapter 1 General Troubleshooting
b.
c.
d.
e.
f.
g.
Complete the
Step 5
Test and Clear the Facility (Line) Loopback Circuit
This procedure does not apply to Software R4.6 E-Series Ethernet, ML-Series Ethernet, and DWDM
Note
cards.
If the test set is not already sending traffic, send test traffic on the loopback circuit.
Step 1
Examine the traffic received by the test set. Look for errors or any other signal information that the test
Step 2
set is capable of indicating.
If the test set indicates a good circuit, no further testing is necessary with the facility (line) loopback.
Step 3
Clear the facility loopback from the port:
a.
b.
c.
d.
e.
Clear the facility (line) loopback circuit:
Step 4
a.
b.
c.
d.
Step 5 Complete the
procedure on page
Step 6 Complete the
November 2004
1.5.4 Create a Facility (Line) Loopback on an Intermediate-Node G-Series, MXP, OC-N, or TXP Port
In node view, double-click the intermediate node card that requires the loopback.
Click the Maintenance > Loopback tabs.
Select OOS_MT from the State column. If this is a multiport card, select the row appropriate for
the desired port.
Select Facility (Line) from the Loopback Type column. If this is a multiport card, select the row
appropriate for the desired port.
Click Apply.
Click Yes in the confirmation dialog box.
"Test and Clear the Facility (Line) Loopback Circuit" procedure on page
Click the Maintenance > Loopback tabs.
Choose None from the Loopback Type column for the port being tested.
Choose the appropriate state (IS, OOS, OOS_AINS) from the 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.
Click Yes in the Delete Circuits dialog box.
"Create a Terminal Loopback on Intermediate-Node OC-N, G-Series, MXP, or TXP Ports"
1-51. If the test set indicates a faulty circuit, the problem might be a faulty OC-N card.
"Test the OC-N, G-Series, MXP, or TXP Card" procedure on page
Cisco ONS 15454 Troubleshooting Guide, R4.6
1-49.
1-50.
1-49