EXFO IQS-8100 Series Transport Blazer for IQS-600 - Manual (Page 499)

Next-Generation Tabs
SONET/SDH Application 485
LCAS Sink
Alarm Analysis
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TLCR (Total Loss of Capacity Receive): The TLCR alarm is declared
when the number of active member equal zero while the number of
provisioned member is bigger than zero.
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PLCR (Partial Loss of Capacity Receive): The PLCR alarm is declared
when the PLCR Threshold is reached while both numbers of active
member and provisioned member are bigger than zero.
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FOPR (Failure of Protocol Receive): The FOPR alarm is declared when
persistent CRC or SQNC is present.
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SQNC (Sequence Indicator Non-Consistent): The SQNC alarm is
declared when the members that carry the NORM, DNU or EOS
message do not have a unique sequence indicator.
Note: Refer to Alarm/Error Measurements on page 47 for H/C LEDs and Seconds
information.
Alarm Generation
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Type
UMST (Unexpected Member Status): The UMST is generated by
constantly forcing a MST = OK for the selected SQ that is not currently
used in the VCG.
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SQ (Sequence Indicator): Allows selecting the SQ number for the
selected alarm to be generated. Possible values are from 0 to 63 for
LOP or 0 to 255 for HOP. The default setting is 1.
Note: Only SQ members not currently used in the VCG are available.
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On/Off button: The On/Off button is used to activate/deactivate the
selected alarm. This setting is disabled (Off) by default.