剛剛到家把數據機又關掉打開後，
速率又下降了


----------------------
Downstream Fast Channel: 0 kbps
Upstream Fast Channel: 0 kbps
Downstream Interleaved Channel: 7008 kbps
Upstream Interleaved Channel: 640 kbps
Downstream Noise Margin: 8 dB
Upstream Noise Margin: 14 dB
Downstream Attenuation: 5 dB
Upstream Attenuation: 4 dB
----------------------

Downstream Interleaved Channel: 7008 kbps
又掉下來了....怎麼重開機後數值又變差了
真奇怪.........................................