Chapter 28 xDSL Statistics
VMG8924-B10A and VMG8924-B30A Series User’s Guide
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Downstream
These are the statistics for the traffic direction coming into the port from the service
provider.
Upstream
These are the statistics for the traffic direction going out from the port to the service
provider.
FEC
This is the number of Far End Corrected blocks.
CRC
This is the number of Cyclic Redundancy Checks.
ES
This is the number of Errored Seconds meaning the number of seconds containing at least
one errored block or at least one defect.
SES
This is the number of Severely Errored Seconds meaning the number of seconds containing
30% or more errored blocks or at least one defect. This is a subset of ES.
UAS
This is the number of UnAvailable Seconds.
LOS
This is the number of Loss Of Signal seconds.
LOF
This is the number of Loss Of Frame seconds.
LOM
This is the number of Loss of Margin seconds.
Table 135
Status > xDSL Statistics (continued)
LABEL
DESCRIPTION