Alcatel-Lucent 1830 PSS-16 Maintenance And Trouble-Clearing User Manual page 602

Trouble-clearing procedures
VTSFDI
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VTSFDI (VTS Forward Defect Indication)
The OT has detected a VTS Forward Defect Indication. This condition is raised when a
problem has occurred upstream that causes an APS/PCC failure indication on the Virtual
Time Slot [
Severity
Service affecting?
Applicability
Corrective action
This procedure details the corrective action for clearing the VTSFDI alarm associated
with an 11DPE12/11DPE12E OT port. At the end of each step, wait to see if the fault
clears. If not, go to the next step.
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1 Check the alarms/conditions along the OCh trail.
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Identify the farthest upstream alarm/condition relative to the far end OTU2 port or client
2
GBE port.
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3 Check the OTU2 line port and client GBE port
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Follow the procedure for clearing identified alarm condition.
4
E
N D O F
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VTSOCI
VTSOCI (VTS Open Connection Indication)
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2-352
] received by the 11DPE12/11DPE12E.
n
NA
No
11DPE12, 11DPE12E
S T E P S
VTSFDI (VTS Forward Defect Indication)
1830 PSS-36/PSS–32/PSS-16/PSS-4
8DG60888CAAA Release 3.6.0 and 3.6.1
Issue 1 June 2011