作者:
sr20detll
建議原po先問一下裝機人員 你家附近有沒光化箱
免的跟我一樣
小弟我住新莊五股工業區這
這附近沒光化箱聽裝機人員說是用啥b1型(我也聽不懂)
就像相關文章說的+mod會多放約15m的頻寬來應付hd高畫質的需求
但問題來了
沒光化箱頻寬放太大會造成下載snr值過低而順斷
最後只能就降頻來提升snr
這是小弟的數據
============================================================================
VDSL Training Status: Showtime
VDSL Profile: PROF_17A
Traffic Type: PTM
============================================================================
VDSL Port Details Upstream Downstream
Line Rate: 3.043 Mbps 14.053 Mbps
Actual Net Data Rate: 3.005 Mbps 14.014 Mbps
SNR Margin: 20.4 dB 13.7 dB
Actual Delay: 5.0 ms 5.0 ms
Transmit Power: 8.4 dBm 13.1 dBm
Receive Power: -8.1 dBm -16.3 dBm
Actual INP: 17.0 symbols 18.0 symbols
Total Attenuation: 24.7 dB 21.3 dB
Attainable Net Data Rate: 8.996 Mbps 26.757 Mbps
之前頻寬放到28時下載snr值只有7
><"
書籤