Maintenance Description
9-26 Issue 8.0 July 2002
OC3 forced switch at near end An automatic line protection switch is active
with the priority of "forced switch" at the near
end of the OC-3 line.
OC3 inhibit at near end Line protection switching is disabled at the
near end of the OC-3 line.
OC3 lockout at far end The protection line is locked out and will not
be used to protect a service line failure at
the far end of the OC-3 line.
OC3 lockout at near end The protection line is locked out and will not
be used to protect a service line failure at
the near end of the OC-3 line.
OC3 loopback (from OC3) The input from the OC-3 line is looped back
to the output of the OC-3 line.
OC3 loopback (from OC48) The STS-3/3c signal from the OC-48 line is
looped back to the OC-48 line.
OC3 mode conflict (equipment) One slot of a slot pair provisioned for 1+1
operation is equipped with an OC3 circuit
pack and the other slot of the slot pair is
equipped with a DS3 or STS1E circuit pack.
OC3 mode conflict (slot pair) One slot of a slot pair is provisioned "1+1"
and the other slot of the slot pair is
provisioned "0x1."
OC3 mode conflict (x-connect) The two slots of a slot pair provisioned for
1+1 operation are cross-connected to two
different STS-3 tributaries.
OC3 removed OC3 circuit pack is missing from slot.
OHCTL failure Failure of OHCTL circuit pack.
OHCTL removed OHCTL circuit pack is missing from slot.
optical parameter out-of-range The laser bias current level, optical power
transmit level, or optical power receive level
has exceeded the allowed range at an
FT-2000 repeater bay.
path AIS An STS-1 path alarm indication signal (AIS)
has been detected on one or more of the
STS-1 tributaries of the OC-48 line.
Likely cause: Failure of far-end DS3 or
STS1E circuit pack.
path integrity failure A cross-connection within a circuit has been
broken.
Table 9-2. Condition Descriptions (Contd)
Description (from Retrieve-Alarm Report) Meaning
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