Test And Clear The Facility (Line) Loopback Circuit; Test The Oc-N, G-Series, Mxp, Or Txp Card - Cisco ONS 15454 Troubleshooting Manual

Chapter 1 General Troubleshooting
Click Yes in the confirmation dialog box.
Step 7
Note
Step 8 Complete the

Test and Clear the Facility (Line) Loopback Circuit

Note This procedure does not apply to Software R4.6 E-Series Ethernet, ML-Series Ethernet, and DWDM
cards.
Step 1 If the test set is not already sending traffic, send test 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, no further testing is necessary with the facility loopback. Clear the
facility (line) loopback:
a.
b.
c.
d.
e.
Complete the
Step 4
Port" procedure on page
Complete the
Step 5

Test the OC-N, G-Series, MXP, or TXP Card

This procedure does not apply to Software R4.6 E-Series Ethernet, ML-Series Ethernet, and DWDM
Note
cards.
Complete the
Step 1
replace it with a known-good one.
Resend test traffic on the loopback circuit with a known-good card installed.
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 TAC (1 800 553-2447).
Complete the
Step 4
November 2004
1.5.1 Perform a Facility (Line) Loopback on a Source-Node G-Series, MXP, OC-N, or TXP Port
It is normal for a "LPBKFACILITY (OCN)" condition on page
(G1000)" condition on page 2-142
you remove the loopback.
"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.
"Perform a Terminal (Inward) Loopback on a Source-Node OC-N, G-Series, MXP, or TXP
1-40. If the test set indicates a faulty circuit, the problem might be a faulty card.
"Test the OC-N, G-Series, MXP, or TXP Card" procedure on page
"Physically Replace a Card" procedure on page 2-219
"Physically Replace a Card" procedure on page 2-219
to appear during loopback setup. The condition clears when
for the suspected bad card and
for the faulty card.
Cisco ONS 15454 Troubleshooting Guide, R4.6
2-142, or a "LPBKFACILITY
1-39.
1-39.
1-39