Create A Facility (Line) Loopback On An Intermediate-Node Oc-N, G-Series, Mxp, Or Txp Port - Cisco ONS 15454 Troubleshooting Manual

1.5.4 Create a Facility (Line) Loopback on an Intermediate-Node G-Series, MXP, OC-N, or TXP Port

Create a Facility (Line) Loopback on an Intermediate-Node OC-N, G-Series, MXP, or TXP Port

Note This procedure does not apply to Software R4.6 E-Series Ethernet, ML-Series Ethernet, and DWDM
cards.
Step 1 Connect an optical test set to the port you are testing:
Note
a.
b.
c.
Use CTC to set up the facility (line) loopback on the test port:
Step 2
a.
b.
c.
d.
e.
f.
g.
h.
i.
j.
Confirm that the newly created circuit appears on the Circuits tab list as a 2-way circuit.
Step 3
Note
Create the facility (line) loopback on the destination port being tested:
Step 4
a.
Cisco ONS 15454 Troubleshooting Guide, R4.6
1-48
Refer to the manufacturer's instructions for detailed information about connection and setup of
the optical test set.
If you just completed the "Perform a Terminal (Inward) Loopback on a Source-Node OC-N,
G-Series, MXP, or TXP Port" procedure on page
source node port.
If you are starting the current procedure without the optical test set hooked up to the source port
port, use appropriate cabling to attach the Tx and Rx terminals of the optical test set to the port you
are testing. Both Tx and Rx connect to the same port.
Adjust the test set accordingly.
In node view, click the Circuits tab and click Create.
In the Circuit Creation dialog box, choose the type and size, such as an STS-1.
Click Next.
In the next Circuit Creation dialog box, give the circuit an easily identifiable name such as
"OCn1toOCn3."
Leave the Bidirectional check box checked.
Click Next.
In the Circuit Creation source dialog box, select the same Node, card Slot, Port, and STS (or VT)
where the test set is connected.
Click Next.
In the Circuit Creation destination dialog box, use the same Node, card Slot, Port, and STS (or VT)
used for the source dialog box.
Click Finish.
It is normal for the "LPBKFACILITY (G1000)" condition on page
"LPBKFACILITY (OCN)" condition on page 2-142
condition clears when you remove the loopback.
Go to the node view of the intermediate node:
Choose View > Go To Other Node from the menu bar.
•
Choose the node from the drop-down list in the Select Node dialog box and click OK.
•
Chapter 1
1-40, leave the optical test set hooked up to the
2-142, or the
to appear during a loopback setup. The
General Troubleshooting
November 2004