Clear The Lpbkterminal (Ds1, Ds3) Condition; Lpbkterminal (Ec1); Clear The Lpbkterminal (Ec1) Condition; Lpbkterminal (Ocn) - Cisco ONS 15310-CL Troubleshooting Manual

1.7.161 LPBKTERMINAL (EC1)

For information about troubleshooting optical circuits with loopbacks, refer to the
of Failure on an Electrical Circuit Path" section on page
"1.1 Network Troubleshooting Tests" section on page

Clear the LPBKTERMINAL (DS1, DS3) Condition

Complete the
Step 1
If the condition does not clear, log into the Technical Support Website at
Step 2
http://www.cisco.com/techsupport for more information or call Cisco TAC (1 800 553-2447).
1.7.161 LPBKTERMINAL (EC1)
A Loopback Terminal condition for an EC-1 port occurs when a software terminal (inward) loopback is
active for an EC1 port on a 15310-CL-CTX, DS1-28/DS3-EC1-3, or DS1-84/DS3-EC1-3 card.
For information about troubleshooting optical circuits with loopbacks, refer to the
Troubleshooting Tests" section on page
CTC permits loopbacks to be performed on in-service (IS) circuits. Loopbacks are
Caution
Service-Affecting (SA).

Clear the LPBKTERMINAL (EC1) Condition

Complete the
Step 1
If the condition does not clear, log into the Technical Support Website at
Step 2
http://www.cisco.com/techsupport for more information or call Cisco TAC (1 800 553-2447).

1.7.162 LPBKTERMINAL (OCN)

A Loopback Terminal condition for an OC-N port occurs when a software terminal (inward) loopback
is active for an OC-3 or OC-12 port on the 15310-CL-CTX or CTX2500.
OC-N terminal loopbacks do not typically return an AIS.
Note
Cisco ONS 15310-CL and Cisco ONS 15310-MA Troubleshooting Guide, R7.0
1-106
"Clear a DS-3 or DS-1 Port Loopback Circuit" procedure on page
Default Severity: Not Alarmed (NA), Non-Service-Affecting (NSA)
SONET Logical Object: EC1
"Clear an EC-1 Port Loopback" procedure on page
Default Severity: Not Alarmed (NA), Non-Service-Affecting (NSA)
SONET Logical Object: OCN
1-3. Facility loopbacks are described in the
1-2.
1-2.
1-158.
Chapter 1 Alarm Troubleshooting
"1.2 Identify Points
1-157.
"1.1 Network
78-17235-01