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1.5.6 Perform a Terminal Loopback on a Destination-Node MXP/TXP/FC_MR Port
Complete the
procedure on page
Create the Terminal Loopback on a Destination-Node MXP/TXP/FC_MR Port
Connect an optical test set to the port you are testing:
Step 1
Note
a.
b.
Adjust the test set accordingly.
Step 2
Confirm that the newly created circuit appears on the Circuits tab list as a two-way circuit.
Step 3
Note
Step 4
Create the terminal loopback on the destination port being tested:
a.
b.
c.
d.
e.
f.
g.
Complete the
Step 5
page
Test and Clear the MXP/TXP/FC_MR Terminal Loopback Circuit
If the test set is not already sending traffic, send test traffic on the loopback circuit.
Step 1
Cisco ONS 15454 SDH Troubleshooting Guide, R5.0
1-94
"Create the Terminal Loopback on a Destination-Node MXP/TXP/FC_MR Port"
1-94.
Refer to the manufacturer's instructions for detailed information about connection and setup of
the optical test set.
If you just completed the
"1.5.5 Perform a Facility (Line) Loopback on a Destination-Node
MXP/TXP/FC_MR Port" procedure on page
port.
If you are starting the current procedure without the optical test set hooked up to the source 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.
It is normal for the
"LPBKTERMINAL (TRUNK)" condition on page 2-175
"LPBKFACILITY (FCMR)" condition on page 2-168
condition clears when you remove the loopback.
Go to the node view of the destination 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.
•
In node view, double-click the card that requires the loopback.
Click the Maintenance > Loopback tab.
Select Locked,maintenance from the Admin State column. If this is a multiport card, select the row
appropriate for the desired port.
Select Terminal (Inward) 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 MXP/TXP/FC_MR Terminal Loopback Circuit" procedure on
1-94.
Chapter 1
1-91, leave the optical test set hooked up to the source
to appear during a loopback setup. The
General Troubleshooting
or the
July 2005
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