Cisco ONS 15454 Troubleshooting Manual page 368
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- Procedure manual (850 pages) ,
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2.7.250 LPBKTERMINAL (DS1, DS3)
Clear the LPBKTERMINAL (CEMR, CE1000, CE100T) 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.
2.7.250 LPBKTERMINAL (DS1, DS3)
A Loopback Terminal condition for a DS-1 or DS-3 occurs when a software terminal (inward) loopback
is active for a DS1 or DS3 port on the reporting DS3XM-6, DS3XM-12, or DS3/EC1-48 card. DS-1 and
DS-3 terminal loopbacks do not typically return an AIS signal, but you can provision one for the
DS3/EC1-48 card.
For information about troubleshooting electrical circuits with loopbacks, refer to the
"1.3 Troubleshooting DS3XM-6 or DS3XM-12 Card Electrical Paths With FEAC Loopbacks" section
on page
Clear the LPBKTERMINAL (DS1, DS3) Condition
Complete the
Step 1
page
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.
2.7.251 LPBKTERMINAL (E1)
A Loopback Terminal condition for an E-1 signal on a DS1/E1-56 card occurs when the card is operating
in All E1 mode and a software terminal (inward) loopback is active for a port.
For information about troubleshooting electrical circuits with loopbacks, refer to the
"1.3 Troubleshooting DS3XM-6 or DS3XM-12 Card Electrical Paths With FEAC Loopbacks" section
on page
Clear the LPBKTERMINAL (E1) Condition
Complete the
Step 1
Cisco ONS 15454 Troubleshooting Guide, R8.5
2-174
"Clear Other Electrical Card or Ethernet Card Loopbacks" procedure on page
Default Severity: Not Alarmed (NA), Non-Service-Affecting (NSA)
SONET Logical Objects: DS1, DS3
1-45.
"Clear a DS3XM-6, DS3XM-12, or DS3E-12 Card Loopback Circuit" procedure on
2-276.
Default Severity: Not Alarmed (NA), Non-Service-Affecting (NSA)
SONET Logical Object: E1
1-45.
"Clear Other Electrical Card or Ethernet Card Loopbacks" procedure on page
Chapter 2
Alarm Troubleshooting
2-277.
2-277.
November 2009
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