Alcatel-Lucent 1830 PSS-32 - Page 602

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 [
n ] received by the 11DPE12/11DPE12E.
Severity NA
Service affecting? No
Applicability 11DPE12, 11DPE12E
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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2
Identify the farthest upstream alarm/condition relative to the far end OTU2 port or client
GBE port.
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3
Check the OTU2 line port and client GBE port
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4
Follow the procedure for clearing identified alarm condition.
VTSOCI
VTSOCI (VTS Open Connection Indication)
Trouble-clearing procedures
VTSFDI
VTSFDI (VTS Forward Defect Indication)
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2-352
1830 PSS-36/PSS–32/PSS-16/PSS-4
8DG60888CAAA Release 3.6.0 and 3.6.1
Issue 1 June 2011
E ND OF STEPS
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