Hinet ADSL訊號品質

請問各位專業的專家們,以下的訊號品質好嗎?標準在哪裡?謝謝指教.....

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VDSL Training Status: Showtime
VDSL Profile: Profile 17a
Traffic Type: PTM Mode
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VDSL Port Details Upstream Downstream
Line Rate: 0.278 Mbps 2.244 Mbps
Actual Net Data Rate: 0.255 Mbps 2.174 Mbps
Trellis Coding: ON ON
SNR Margin: 15.6 dB 23.7 dB
Actual Delay: 4 ms 5 ms
Transmit Power: - 7.4 dBm 96.7 dBm
Receive Power: -50.4 dBm -25.1 dBm
Actual INP: 2.0 symbols 2.0 symbols
Total Attenuation: 43.0 dB 19.7 dB
Attainable Net Data Rate: 3.524 Mbps 16.560 Mbps
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VDSL Band Status U0 U1 U2 U3 D1 D2 D3
Line Attenuation(dB): 13.4 45.1 72.9 N/A 19.7 55.3 75.3
Signal Attenuation(dB): N/A 43.0 N/A N/A 19.7 55.3 N/A
SNR Margin(dB): N/A 15.6 N/A N/A 23.7 0 .0 N/A
Transmit Power(dBm):-128.0 -7 .4 N/A N/A -5 .4 -128.0 N/A
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