Name: Cisco CTX2500
Brand: Cisco
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2-104

Cisco ONS 15310-MA SDH Troubleshooting Guide, Release 9.0

78-18663-01

Chapter 2 Alarm Troubleshooting

Alarm Procedures

Step 2 If the condition does not clear, log into the Technical Support Website at

http://www.cisco.com/cisco/web/support/index.html for more information or call Cisco TAC

(1-800-553-2447).

2.7.147 LPKTERMINAL (CE100T, CEMR)

Default Severity: Not Alarmed (NA), Non-Service-Affecting (NSA)

SDH Logical Objects: CE100T, CEMR

A Loopback Terminal condition on a CE-Series port occurs when a software terminal loopback is active

for a port on the card.

For information about troubleshooting optical circuits with loopbacks, refer to the “1.1 Network

Troubleshooting Tests” section on page 1-2.

Clear the LPBKTERMINAL (CE100T, CEMR) Condition

Step 1 Complete the “Clear an Ethernet Card Loopback Circuit” procedure on page 2-156.

Step 2 If the condition does not clear, log into the Technical Support Website at

http://www.cisco.com/cisco/web/support/index.html for more information or call Cisco TAC

(1-800-553-2447).

2.7.148 LPBKTERMINAL (E1, DS3)

Default Severity: Not Alarmed (NA), Non-Service-Affecting (NSA)

SDH Logical Objects: E1, DS3

A Loopback Terminal condition for a E1 or DS-3 signal occurs when a software terminal (inward)

loopback is active for a E1 or DS3 port on a 15310-MA SDH CTX, E1-21/DS3-E3-3, or

E1-63/DS3-E3-3 card. E1 and DS-3 terminal loopbacks do not typically return an AIS signal.

For information about troubleshooting optical circuits with loopbacks, refer to the “1.2 Identify Points

of Failure on an Electrical Circuit Path” section on page 1-4. Facility loopbacks are described in the

“1.1 Network Troubleshooting Tests” section on page 1-2.

Clear the LPBKTERMINAL (E1, DS3) Condition

Step 1 Complete the “Clear a DS-3 or E1 Port Loopback Circuit” procedure on page 2-155.

Step 2 If the condition does not clear, log into the Technical Support Website at

http://www.cisco.com/cisco/web/support/index.html for more information or call Cisco TAC

(1-800-553-2447).

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CTX2500

Cisco CTX2500 User Manual

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