Maintenance Description
9-24 Issue 8.0 July 2002
NOTE:
If either one of the two OC48 lines are
"locked-out" from any node on the
ring; then, protection is inhibited
throughout the whole ring.
line manual switch An automatic line protection switch is active
with a priority of "manual switch."
line manual switch at far end An automatic line protection switch is active
with a priority of "manual switch" at the far
end of the OC-48 line.
line manual switch at near end An automatic line protection switch is active
with a priority of "manual switch" at the near
end of the OC-48 line.
line switch inhibit High speed line switching is disabled.
line switch inhibit - far end High speed line switching is disabled at the
far end of the OC-48 line.
line switch inhibit - near end High speed line switching is disabled at the
near end of the OC-48 line.
line TCA A threshold crossing alert (TCA) has been
issued. The alert means the signal degrade
threshold has been exceeded for an
incoming OC-48 line.
LNCTL failure Failure of LNCTL circuit pack.
LNCTL removed LNCTL circuit pack is missing from slot.
logins inhibited Logins are disabled.
LS auto switch A low-speed interface circuit pack has been
automatically switched to protection.
Likely cause: Failure of the DS3 or STS1E
circuit pack.
LS forced switch A low-speed slot was switched to the
protection slot with a priority of "forced
switch."
LS lockout A low-speed slot is locked out and will not be
switched.
Table 9-2. Condition Descriptions (Contd)
Description (from Retrieve-Alarm Report) Meaning
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