1-8
Cisco ONS 15600 SDH Troubleshooting Guide, R8.0
July 2010
Chapter 1 General Troubleshooting
1.2.1 Perform a Facility Loopback or Payload Loopback on a Source-Node Optical Port
Create the Facility Loopback or Payload Loopback on the Source Optical Port
Step 1
Connect an optical test set to the port you are testing.
Note
For specific procedures to use the test set equipment, consult the manufacturer.
Use appropriate cabling to attach the transmit (Tx) and receive (Rx) terminals of the optical test set to
the port you are testing. The Tx and Rx terminals connect to the same port. Adjust the test set
accordingly. (Refer to manufacturer instructions for test-set use.)
Step 2
In CTC node view, double-click the card to display the card view.
Step 3
Take the port out of service:
a.
Click the
Maintenance > Line
(or
Maintenance > Optical > Line)
tabs.
b.
Choose
Locked,maintenance
from the Admin State column for the port being tested. If multiple
ports are available, select the appropriate row for the desired port.
c.
Click
Apply
.
Step 4
Create the loopback. On the
Maintenance
tab, click the correct subtab:
•
For an STM-16 card or STM-64 card, click the
Loopback > Port
tabs.
•
For an ASAP card, click the
Optical > Loopback > Port
tabs.
Step 5
Choose the loopback type:
Note
If multiple ports are available, choose the row associated with the correct port and then configure
the loopback.
•
For an STM-16 card, click
Facility
in the Loopback Type column.
•
For an STM-64 card, click
Payload
in the Loopback Type column.
•
For an ASAP card, click
Facility
in the Loopback Type column.
Step 6
Click
Apply
.
Step 7
Click
Yes
in the confirmation dialog box.
Note
It is normal for the
“LPBKFACILITY (STMN)” condition on page 2-88
or the
“LPBKTERMINAL (GIGE)” condition on page 2-90
to appear during loopback setup. The
condition clears when you remove the loopback.
Step 8
Complete the
“Test and Clear the Facility Loopback or Payload Loopback Circuit” procedure on
Содержание Cisco ONS 15600 SDH
Страница 18: ...Contents xviii Cisco ONS 15600 SDH Troubleshooting Guide R8 0 July 2010 ...
Страница 20: ...Figures xx Cisco ONS 15600 SDH Troubleshooting Guide R8 0 July 2010 ...
Страница 30: ...xxx Cisco ONS 15600 SDH Troubleshooting Guide R8 0 July 2010 About this Guide ...
Страница 256: ...3 8 Cisco ONS 15600 SDH Troubleshooting Guide R8 0 July 2010 Chapter 3 Transient Conditions 3 3 28 WKSWPR ...
Страница 306: ...4 50 Cisco ONS 15600 SDH Troubleshooting Guide R8 0 July 2010 Chapter 4 Error Messages ...
Страница 318: ...Index IN 12 Cisco ONS 15600 SDH Troubleshooting Guide R8 0 July 2010 ...