Msgchg; Pdi-N - Fujitsu FLM 150 ADM Maintenance And Trouble Clearing

Maintenance and Trouble Clearing
FJTU-320-515-480
3.52

MSGCHG

These messages indicate a change in the quality level of the synchronous status
message:
• MSGCHGRES-PRS/-STU/-ST2/-ST3/-SIC/-ST4/-DUS/-FAIL/-NA
• MSGCHGPRS-STU/-ST2/-ST3/-SIC/-ST4/-DUS/-RES/-FAIL/-NA
• MSGCHGSTU-PRS/-ST3/-ST3/-SIC/-ST4/-DUS/-RES/-FAIL/-NA
• MSGCHGST2-PRS/-STU/-ST3/-SIC/-ST4/-DUS/-RES/-FAIL/-NA
• MSGCHGST3-PRS/-STU/-ST2/-SIC/-ST4/-DUS/-RES/-FAIL/-NA
• MSGCHGSIC-PRS/-STU/-ST2/-ST3/-ST4/-DUS/-RES/-FAIL/-NA
• MSGCHGST4-PRS/-STU/-ST2/-ST3/-SIC/-DUS/-RES/-FAIL/-NA
• MSGCHGDUS-PRS/-STU/-ST2/-ST3/-SIC/-ST4/-RES/-FAIL/-NA
• MSGCHGFAIL-PRS/-STU/-ST2/-ST3/-SIC/-ST4/-DUS/-RES/-NA
• MSGCHGNA-PRS/-STU/-ST2/-ST3/-SIC/-ST4/-DUS/-RES/-FAIL
Table 3-50: MSGCHG (Synchronization Status Message Change)—Transient Condition
AID
Direction
Type
SYNCIN NA
3.53

PDI-n

Table 3-51: PDI-n (Payload Defect Indication code n received [n = 1~27, ALL])—Alarm Condition
AID
Direction
Type
STS1 RCV
Issue 9, May 1999
Probable Cause
Synchronization message
degrade or upgrade is
detected.
Probable Cause
Five consecutive identical PDI
codes are received within 5 ms.
FNC and FNC Customer Use Only
Suggested Corrective Action
• Replace the TCA-ENH unit.
• Check the upstream ADM for optical channel
unit failure or removal.
• Check the fiber-optic path and perform trouble
analysis as needed.
Suggested Corrective Action
Provision the NE, by selecting PDISD = Y, so
that path switching is accomplished.
3.52: MSGCHG
Vol. ll, Page 480.3-32