Fujitsu FLM 150 ADM Maintenance And Trouble Clearing page 86

Maintenance and Trouble Clearing
FJTU-320-515-480
(T-CVP, T-ESP, T-SESP, T-UASP, T-SASP)—Transient Conditions (cont'd)
AID Type
Direction
MONTYPE
T3 RCV
CVP
ESP
SESP
UASP
SASP
STS1, T1, and
VT1
CVP
ESP
SESP
UASP
SASP
(clock and
LC1A-D1E or
LC1A--D1E2
installed)
Issue 9, May 1999
Table 3-69: Threshold Violations-Path
Probable Cause
• Incoming • Check the far end for incoming (TRMT) T3
interface signal
at far end has a
problem.
• Check for alarm conditions at the far end and at
• High-speed unit
problems at
• High-speed unit and fiber problems are not the
intermediate
sites.
• Optical path
• Replace the suspect MC1A unit if the PM
problems
between far end
and near end.
• Faulty MC1A
plug-in unit.
FNC and FNC Customer Use Only
3.71: Threshold Violations–Path
Suggested Corrective Action
alarms or threshold crossings or PM register
counts (see above).
all intermediate sites.
likely cause if only one channel is reporting
threshold crossings.
register count stops incrementing when the other
(standby) unit is on line.
Vol. ll, Page 480.3-44