User's Manual

VDSL Configuration
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• CRC_F – Far end CRC errors on the fast path.
• FEC_S – Far end Forward Error Correction on the slow path.
• CRC_S – Far end CRC errors on the slow path.
• LOS – Loss of Signal. The number of times there was a loss of signal error.
• HEC_F – Header Error Control (HEC)/EFM framing errors on the fast path.
• HEC_S – Header Error Control (HEC)/EFM framing errors on the slow path.
• ES – Errored Seconds. The number of second intervals during which there was
one or more CRC anomalies, or one or more Loss of Signal (LOS) or Loss of
Framing (LOF) defects
• UNAVL_ES – Unavailable Errored Seconds. The number of seconds during which
the VDSL transceiver is powered up but not available.
SNR Information
This page is used to display counters for sound-to-noise ratio measurements.
Click VDSL, SNR Information.
Figure 5-51 SNR Information
Field Attributes
• Far End SNR – Sound-to-noise ratio at the far end.
• Avg SNR Margin – Average signal-to-noise margin above the SNR.
• Avg SNR – Average signal-to-noise ratio.
• SNR Margin (SNRMpb0-4) – SNR Margin of band 0-4 in 0.1 dBs.
• Line Attenuation (LATNpb0-4) – Line Attenuation of band 0-4 in 0.1 dBs.
• Signal Attenuation (SATNpb0-4) – Signal Attenuation of band 0-4 in 0.1 dBs.