Create The Facility Loopback On The Source-Node Mxp, Txp, Xp Or Adm-10G Port - Cisco NCS 2000 series Troubleshooting Manual

General Troubleshooting
Figure 3: Facility Loopback on a Circuit Source MXP or TXP Port
Caution Performing a loopback on an in-service circuit is service-affecting.
Note
Facility loopbacks require on-site personnel.
Complete the
9.

Create the Facility Loopback on the Source-Node MXP, TXP, XP or ADM-10G Port

SUMMARY STEPS
1. Connect an optical test set to the port you are testing.
2. Adjust the test set accordingly. (Refer to manufacturer instructions for test set use.)
3. In node view (single-shelf mode) or shelf view (multishelf mode), double-click the card to display the
card view.
4. Click the Maintenance > Loopback tabs.
5. Choose OOS,MT (or locked,maintenance) from the Admin State column for the port being tested. If
this is a multiport card, select the appropriate row for the desired port.
Create the Facility Loopback on the Source-Node MXP, TXP, XP or ADM-10G Port
Create the Facility Loopback on the Source-Node MXP, TXP, XP or ADM-10G Port, on page
Cisco NCS 2000 series Troubleshooting Guide, Release 11.0
9