zuyan
2011-06-30, 06:00 PM
實測只有10M/3M...??
問題有可能在機房端嗎??
重開數據機後跑 20M/3M
數據機的資訊
============================================================================
VDSL Training Status: Showtime
VDSL Profile: PROF_17A
Traffic Type: PTM
============================================================================
VDSL Port Details Upstream Downstream
Line Rate: 5.454 Mbps 54.492 Mbps
Actual Net Data Rate: 5.369 Mbps 54.399 Mbps
Trellis Coding: OFF ON
SNR Margin: 31.1 dB 24.6 dB
Actual Delay: 5 ms 5 ms
Transmit Power: 4.6 dBm 14.4 dBm
Receive Power: -13.7 dBm 4.8 dBm
Actual INP: 17.0 symbols 18.0 symbols
Total Attenuation: 18.3 dB 9.6 dB
Attainable Net Data Rate: 46.896 Mbps 131.184 Mbps
============================================================================
VDSL Band Status U0 U1 U2 U3 D1 D2 D3
Line Attenuation(dB): 5 .6 15.3 25.8 N/A 6 .8 15.6 26.4
Signal Attenuation(dB): N/A 14.9 25.5 N/A 6 .8 15.6 26.4
SNR Margin(dB): N/A 31.2 31.1 N/A 24.4 24.5 24.8
Transmit Power(dBm): N/A 0 .6 2 .4 N/A 11.2 9 .9 7 .1
============================================================================
問題有可能在機房端嗎??
重開數據機後跑 20M/3M
數據機的資訊
============================================================================
VDSL Training Status: Showtime
VDSL Profile: PROF_17A
Traffic Type: PTM
============================================================================
VDSL Port Details Upstream Downstream
Line Rate: 5.454 Mbps 54.492 Mbps
Actual Net Data Rate: 5.369 Mbps 54.399 Mbps
Trellis Coding: OFF ON
SNR Margin: 31.1 dB 24.6 dB
Actual Delay: 5 ms 5 ms
Transmit Power: 4.6 dBm 14.4 dBm
Receive Power: -13.7 dBm 4.8 dBm
Actual INP: 17.0 symbols 18.0 symbols
Total Attenuation: 18.3 dB 9.6 dB
Attainable Net Data Rate: 46.896 Mbps 131.184 Mbps
============================================================================
VDSL Band Status U0 U1 U2 U3 D1 D2 D3
Line Attenuation(dB): 5 .6 15.3 25.8 N/A 6 .8 15.6 26.4
Signal Attenuation(dB): N/A 14.9 25.5 N/A 6 .8 15.6 26.4
SNR Margin(dB): N/A 31.2 31.1 N/A 24.4 24.5 24.8
Transmit Power(dBm): N/A 0 .6 2 .4 N/A 11.2 9 .9 7 .1
============================================================================