Perform A Terminal Loopback On A Destination-Node Ethernet Port; Create The Terminal Loopback On A Destination-Node Ethernet Port - Cisco ONS 15310-CL Troubleshooting Manual

Chapter 1 General Troubleshooting
Step 5 Clear the facility loopback on the port:
a.
b.
c.
d.
e.
Clear the facility loopback circuit:
Step 6
a.
b.
c.
d.
Complete the
Step 7
page

1.6.6 Perform a Terminal Loopback on a Destination-Node Ethernet Port

The terminal loopback at the destination-node port is the final local hardware error elimination in the
circuit troubleshooting process. If this test is completed successfully, you have verified that the circuit
is good up to the destination port.
Caution Performing a loopback on an in-service circuit is service-affecting.
Terminal loopbacks require on-site personnel.
Note
Complete the
page

Create the Terminal Loopback on a Destination-Node Ethernet Port

Connect a test set to the CE100T-8 port that you are testing:
Step 1
Note
a.
b.
78-17235-01
Double-click the CE100T-8 card and click the Maintenance > Loopback tabs.
Choose None from the Loopback Type column for the port being tested.
Choose the appropriate state (IS; OOS,DSBLD; OOS,MT) from the Admin 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. Do not check any check boxes.
"1.6.6 Perform a Terminal Loopback on a Destination-Node Ethernet Port" procedure on
1-41.
"Create the Terminal Loopback on a Destination-Node Ethernet Port" procedure on
1-41.
For specific procedures to connect, set up, and use the test set equipment, consult the
manufacturer.
If you just completed the "1.6.5 Perform a Facility Loopback on a Destination-Node Ethernet Port"
procedure on page 1-38, leave the test set hooked up to the source port.
If you are starting the current procedure without the test set hooked up to the source port, use
appropriate cabling to attach the Tx and Rx terminals of the test set to the port you are testing. Both
Tx and Rx connect to the same port.
1.6.6 Perform a Terminal Loopback on a Destination-Node Ethernet Port
Cisco ONS 15310-CL and Cisco ONS 15310-MA Troubleshooting Guide, R7.0
1-41