Chapter 24 xDSL Statistics
VMG3312-T20A User’s Guide
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Line Attenuation This is the upstream and downstream line attenuation, measured in decibels (dB). This
attenuation is the difference between the power transmitted at the near-end and the power
received at the far-end. Attenuation is affected by the channel characteristics (wire gauge,
quality, condition and length of the physical line).
Data Rate These are the data transfer rates at which the port is sending and receiving data.
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.
Table 105 Status > xDSL Statistics (continued)
LABEL DESCRIPTION
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