Clear An Oc-N Port Facility Or Terminal Loopback Circuit; Clear An Oc-N Port Xc Loopback Circuit; Clear A Ds-3 Or Ds-1 Port Loopback Circuit - Cisco ONS 15310-CL Troubleshooting Manual

Chapter 1 Alarm Troubleshooting
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e.

Clear an OC-N Port Facility or Terminal Loopback Circuit

Step 1 Log into a node on the network. If you are already logged in, continue with
Double-click the 15310-CL-CTX or CTX2500 in CTC to display the card view.
Step 2
Click the Maintenance > Optical > Loopback > Port tabs.
Step 3
In the Loopback Type column, determine whether any port row shows a state other than None.
Step 4
If a row contains another state besides None, click in the column cell to display the drop-down list and
Step 5
select None.
In the Admin State column, determine whether any port row shows a state other than IS.
Step 6
If a row shows a state other than IS, click in the column cell to display the drop-down list and select IS.
Step 7
Click Apply.
Step 8
Note

Clear an OC-N Port XC Loopback Circuit

Log into a node on the network. If you are already logged in, continue with
Step 1
Double-click the reporting card in CTC to display the card view.
Step 2
Click the Maintenance > Optical > Loopback > SONET STS tabs.
Step 3
Uncheck the XC loopback check box.
Step 4
Click Apply.
Step 5

Clear a DS-3 or DS-1 Port Loopback Circuit

Log into a node on the network. If you are already logged in, continue with
Step 1
Double-click the 15310-CL-CTX or CTX2500 in CTC to display the card view.
Step 2
Click the Provisioning > DS3 or the Maintenance > DS1 tabs.
Step 3
In the Loopback Type column, determine whether any port row shows a state other than None.
Step 4
If a row contains another state besides None, click in the column cell to display the drop-down list and
Step 5
select None.
In the Admin State column, determine whether any port row shows a state other than IS.
Step 6
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Verify that the Disable OSPF on Link check box is unchecked.
Click OK.
If ports managed into IS administrative state are not receiving signals, the LOS alarm is either
raised or remains, and the port service state transitions to OOS-AU,FLT.
Cisco ONS 15310-CL and Cisco ONS 15310-MA Troubleshooting Guide, R7.0
1.10.4 Generic Signal and Circuit Procedures
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