ZyXEL Communications SBG3300-N series User Manual page 253

Table 114 System Monitor > xDSL Statistics (continued)
LABEL
Downstream
Upstream
FEC
CRC
ES
SES
UAS
LOS
LOF
LOM
SBG3300-N Series User's Guide
DESCRIPTION
These are the statistics for the traffic direction coming into the port from the service
provider.
These are the statistics for the traffic direction going out from the port to the service
provider.
This is the number of Far End Corrected blocks.
This is the number of Cyclic Redundancy Checks.
This is the number of Errored Seconds meaning the number of seconds containing at least
one errored block or at least one defect.
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.
This is the number of UnAvailable Seconds.
This is the number of Loss Of Signal seconds.
This is the number of Loss Of Frame seconds.
This is the number of Loss of Margin seconds.
Chapter 27 xDSL Statistics
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