要如何看怎樣才是好數值
Downstream Fast Channel: 0 kbps
Upstream Fast Channel: 0 kbps
Downstream Interleaved Channel: 4224 kbps
Upstream Interleaved Channel: 544 kbps
Downstream Noise Margin: 7.5 dB
Upstream Noise Margin: 9 dB
Downstream Attenuation: 42 dB
Upstream Attenuation: 20.5 dB
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