Chapter 25 xDSL Statistics
VMG1312-B Series User’s Guide
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Downstream These are t he statist ics for t he traffic direction com ing int o the port from the service
provider.
Upstream These are t he stat istics for t he traffic direction going out from the por t to t he service
provider.
FEC This is t he num ber of Far End Corrected blocks.
CRC This is the num ber of Cyclic Redundancy Checks.
ES This is the num ber of Errored Seconds m eaning t he num ber of seconds containing at least
one errored block or at least one defect.
SES This is t he num ber of Severely Errored Seconds m eaning the num ber of seconds containing
30% or m ore errored blocks or at least one defect . This is a subset of ES.
UAS This is t he num ber of UnAvailable Seconds.
LOS This is the num ber of Loss Of Signal seconds.
LOF This is the num ber of Loss Of Fram e seconds.
LOM This is t he num ber of Loss of Margin seconds.
Table 97 Status > xDSL St at istics (cont inued)
LABEL DESCRIPTION
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