User's Manual

C HAPTER 9 | Diagnostics
ADSL Tone Diagnostics
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◆ Output Power (dBm) — Displays the output power of the unit in
decibels per milliwatt.
◆ Tone Number — Displays the tone number of the ADSL signal.
(Range: 0~255)
◆ H.Real — Displays the real part of channel transfer function of each
subcarrier.
◆ H.Image — Displays the imaginary part of channel transfer function of
each subcarrier.
◆ SNR — Displays the SNR (Singal to Noise Ratio) of each subcarrier
expressed in decibels.
◆ QLN — Displays the Quite Line Noise of each subcarrier, expressed in
dBm/Hz.
◆ Hlog — Displays the amplitude response of channel transfer function of
each subcarrier, expressed in decibels.