Cisco 15310-MA Guide de dépannage Page 47

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1-11
Cisco ONS 15310-CL and Cisco ONS 15310-MA Troubleshooting Guide, Release 9.0
78-18394-01
Chapter 1 General Troubleshooting
Identify Points of Failure on an Electrical Circuit Path
Figure 1-1 Accessing FEAC Functions on the DS1 ports of WBE-28/WBE-84 Cards
d.
Click Apply.
Step 6 Send activate loop codes from the test set.
The destination port senses the loop codes form the test set and creates NIU terminal loopback on that
port.
Note It is normal for a 2.7.164 LPBKTERMINAL (DS1, DS3) condition to appear during a loopback
setup. The condition clears when you remove the loopback.
Figure 1-2 Diagram of FEAC Circuit
Tx
Rx
DS1 Port
on WBE
(Near End)
DS1 Port
on WBE
(Far End)
Tx
Rx
OC48
OC48
Ring
Test Set
Node BNode A
CPE
Rx
Tx
OC48
Tx
Rx
280782
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