Test The Terminal Loopback Circuit; Troubleshooting Wideband Electrical Card(Wbe-28 And Wbe-84 Cards) Feac On Ds3 Ports - Cisco ONS 15310-CL Troubleshooting Manual

1.4 Troubleshooting Wideband Electrical Card(WBE-28 and WBE-84 Cards) FEAC on DS3 Ports

b.
c.
d.
e.
f.
g.
Continue with the
Step 5

Test the Terminal Loopback Circuit

If the test set is not already sending traffic, send test traffic on the loopback circuit.
Step 1
Examine the test traffic being received by the test set. Look for errors or any other signal information
Step 2
that the test set is capable of indicating.
If the test set indicates a good circuit, no further testing is necessary on the loopback circuit:
Step 3
a.
b.
If no fault is found, the entire OC-N circuit path has now passed its comprehensive series of loopback
tests. This circuit qualifies to carry live traffic.
1.4 Troubleshooting Wideband Electrical Card(WBE-28 and
WBE-84 Cards) FEAC on DS3 Ports
WBE-28/WBE-84 cards support far-end alarm and control(FEAC) functions on DS3 ports. Click the
WBE-28/WBE-84 Maintenance > DS3 tabs at the card view to reveal the two additional function
columns.
columns.
Cisco ONS 15310-CL and Cisco ONS 15310-MA Troubleshooting Guide, R7.0
1-24
In node view, double-click the controller card (15310-CL-CTX or CTX2500) with the OC-N port
that requires the loopback, such as the 15310-CL-CTX in the destination-node ONS 15310-CL.
Click the Maintenance > Optical > Loopback > Port tabs.
Select OOS,MT from the Admin State column.
Select Terminal from the Loopback Type column.
Click Apply.
Click Yes in the confirmation dialog box.
"Test the Terminal Loopback Circuit" procedure on page
Clear the terminal loopback:
Double-click the card terminal node with the terminal loopback.
•
Click the Maintenance > Optical > Loopback > Port tabs.
•
Select None from the Loopback Type column for the port being tested.
•
Select the appropriate state (IS,AINS; OOS,DSBLD; or OOS,MT) in the Admin State column
•
for the port being tested.
Click Apply.
•
Click Yes in the confirmation dialog box.
•
Clear the terminal loopback circuit:
Click the Circuits tab.
•
Choose the loopback circuit being tested.
•
Click Delete.
•
• Click Yes in the Delete Circuits dialog box.
Figure 1-1 shows the DS3 subtab and the additional Send Code and Inhibit FE Lbk function
Chapter 1 General Troubleshooting
1-24.
78-17235-01