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贊助商連結 wulala 2008-06-05, 01:14 PM 因為MOD新增了兩個HTDV(1920x1080i)的頻道(其中之一主要拿來播放美國職棒大聯盟的HD轉播), 雖然採用H.264壓縮規格來傳送, 但依節目內容仍需要8Mbps～12Mbps來傳送影音串流. 所以目前CHT對新申裝VDSL 10M/2M+MOD的用戶都是開25M/3M線路頻寬. http://mod.cht.com.tw/ 贊助商連結 kin1029 2008-06-05, 10:33 PM 因為MOD新增了兩個HTDV(1920x1080i)的頻道(其中之一主要拿來播放美國職棒大聯盟的HD轉播), 雖然採用H.264壓縮規格來傳送, 但依節目內容仍需要8Mbps～12Mbps來傳送影音串流. 所以目前CHT對新申裝VDSL 10M/2M+MOD的用戶都是開25M/3M線路頻寬. http://mod.cht.com.tw/ 照我的VDSL2 的資料看來，應該可以申請50M/3M對吧! UPSTREAM 約= 53 DOWNSTREAM 約=75 shut 2008-06-12, 06:53 PM 6月9日新裝 來分享一下數據 ============================================================================ VDSL Training Status: Showtime VDSL Profile: PROF_17A Traffic Type: PTM ============================================================================ VDSL Port Details Upstream Downstream Line Rate: 3.075 Mbps 14.102 Mbps Actual Net Data Rate: 3.011 Mbps 14.014 Mbps SNR Margin: 30.3 dB 30.8 dB Actual Delay: 5.0 ms 5.0 ms Transmit Power: 6.8 dBm 3.8 dBm Receive Power: -9.6 dBm -17.8 dBm Actual INP: 18.0 symbols 18.0 symbols Total Attenuation: 24.6 dB 13.5 dB Attainable Net Data Rate: 28.920 Mbps 54.019 Mbps ============================================================================ VDSL Band Status U0 U1 U2 U3 D1 D2 D3 SNR Margin: N/A 30.1dB 30.6dB N/A 30.8dB 30.7dB N/A Signal Attenuation: N/A 23.2dB 35.7dB N/A 12.6dB 27.0dB N/A Line Attenuation: 6.4dB 23.4dB 37.6dB N/A 12.2dB 28.3dB 49.5dB Transmit Power: N/A 5.2dBm 1.6dBm N/A 2.9dBm N/A N/A ============================================================================ VDSL Counters PTM Rx Tx Packets: 96193184 95299215 Current 15 mins Near End Far End CRC: 0 0 ES: 0 0 SES: 0 0 UAS: 0 0 Lofs: 0 0 LOSs: 0 0 FECs: 0 0 RS Correct: 0 0 RS Uncorrect: 0 0 ============================================================================ 老實說我也看不太懂這些數字...:|||: 還請各位先進多多指教~ coolts 2008-06-12, 11:40 PM 我的機子進不去吶 奇怪了 難道每台機子都不一樣嗎 ezio 2008-06-23, 11:32 PM ============================================================================ VDSL Training Status: Showtime VDSL Profile: PROF_17A Traffic Type: PTM ============================================================================ VDSL Port Details Upstream Downstream Line Rate: 0.996 Mbps 14.053 Mbps Actual Net Data Rate: 0.970 Mbps 14.014 Mbps SNR Margin: 5.9 dB 19.7 dB Actual Delay: 5.0 ms 5.0 ms Transmit Power: 5.5 dBm 13.8 dBm Receive Power: -7.3 dBm -1.5 dBm Actual INP: 10.0 symbols 18.0 symbols Total Attenuation: 7.1 dB 21.1 dB Attainable Net Data Rate: 0.994 Mbps 26.792 Mbps ============================================================================ VDSL Band Status U0 U1 U2 U3 D1 D2 D3 SNR Margin: 5.9dB N/A N/A N/A 19.7dB N/A N/A Signal Attenuation: 7.1dB N/A N/A N/A 21.1dB N/A N/A Line Attenuation: 10.2dB 58.6dB 70.1dB N/A 22.4dB N/A N/A Transmit Power: 5.5dBm N/A N/A N/A 13.8dBm N/A N/A ============================================================================ VDSL Counters PTM Rx Tx Packets: 11162595 11165769 Current 15 mins Near End Far End CRC: 0 24 ES: 0 21 SES: 0 0 UAS: 0 0 Lofs: 0 0 LOSs: 0 0 FECs: 0 14 RS Correct: 0 14 RS Uncorrect: 0 0 ============================================================================ 怪了...我的速率對嘛？ 怎麼看怎麼怪.... 都沒有樓上各位的好.... 是不是有問題喔？？請各位大哥指點一下...:lovely: wulala 2008-06-24, 07:15 AM 又一個....上行速率要3M才對, 您的下行OK(14M), 但上行只剩1M不到了.... 有點奇怪的是, 數據機使用的傳輸頻道(Band)不太對, 是不是這個原因, 就只有找中華電信的人來看了. FYI 2008-06-24, 10:40 AM VDSL 狀態似乎還沒人作過完整解釋和教學, 能否麻煩wulala 兄順便開示一下? hiyase 2008-06-26, 11:17 PM ============================================================================ VDSL Training Status: Showtime VDSL Profile: PROF_17A Traffic Type: PTM ============================================================================ VDSL Port Details Upstream Downstream Line Rate: 3.075 Mbps 14.053 Mbps Actual Net Data Rate: 3.011 Mbps 14.014 Mbps SNR Margin: 30.6 dB 30.2 dB Actual Delay: 7.0 ms 8.0 ms Transmit Power: 9.3 dBm 6.6 dBm Receive Power: -6.1 dBm -16.9 dBm Actual INP: 26.0 symbols 30.0 symbols Total Attenuation: 26.2 dB 12.7 dB Attainable Net Data Rate: 19.997 Mbps 46.187 Mbps ============================================================================ VDSL Band Status U0 U1 U2 U3 D1 D2 D3 SNR Margin: N/A 30.4dB 31.8dB N/A 30.2dB 31.0dB N/A Signal Attenuation: N/A 25.8dB 39.0dB N/A 12.7dB 29.4dB N/A Line Attenuation: 6.9dB 25.9dB 42.4dB N/A 13.4dB 31.0dB 53.7dB Transmit Power: N/A 8.8dBm N/A N/A 6.5dBm N/A N/A ============================================================================ VDSL Counters PTM Rx Tx Packets: 2255104 2289577 Current 15 mins Near End Far End CRC: 0 0 ES: 0 0 SES: 0 0 UAS: 0 0 Lofs: 0 0 LOSs: 0 0 FECs: 0 0 RS Correct: 0 0 RS Uncorrect: 0 0 ============================================================================ 個人在中華電信測試下載100MB的檔案 都是保持1.4MB/S 在下載 說 john2yliu 2008-06-27, 12:04 AM 6月9日新裝 來分享一下數據 ============================================================================ VDSL Training Status: Showtime VDSL Profile: PROF_17A Traffic Type: PTM ============================================================================ VDSL Port Details Upstream Downstream Line Rate: 3.075 Mbps 14.102 Mbps Actual Net Data Rate: 3.011 Mbps 14.014 Mbps SNR Margin: 30.3 dB 30.8 dB Actual Delay: 5.0 ms 5.0 ms Transmit Power: 6.8 dBm 3.8 dBm Receive Power: -9.6 dBm -17.8 dBm Actual INP: 18.0 symbols 18.0 symbols Total Attenuation: 24.6 dB 13.5 dB Attainable Net Data Rate: 28.920 Mbps 54.019 Mbps ============================================================================ VDSL Band Status U0 U1 U2 U3 D1 D2 D3 SNR Margin: N/A 30.1dB 30.6dB N/A 30.8dB 30.7dB N/A Signal Attenuation: N/A 23.2dB 35.7dB N/A 12.6dB 27.0dB N/A Line Attenuation: 6.4dB 23.4dB 37.6dB N/A 12.2dB 28.3dB 49.5dB Transmit Power: N/A 5.2dBm 1.6dBm N/A 2.9dBm N/A N/A ============================================================================ VDSL Counters PTM Rx Tx Packets: 96193184 95299215 Current 15 mins Near End Far End CRC: 0 0 ES: 0 0 SES: 0 0 UAS: 0 0 Lofs: 0 0 LOSs: 0 0 FECs: 0 0 RS Correct: 0 0 RS Uncorrect: 0 0 ============================================================================ 老實說我也看不太懂這些數字...:|||: 還請各位先進多多指教~ Line Rate: 3.075 Mbps 14.102 Mbps－－－＞線路速度，可以不用看，只看Actual Net Data Rate就可以了 Actual Net Data Rate: 3.011 Mbps 14.014 Mbps －－－＞線路實際傳送資料的速度 SNR Margin: 30.3 dB 30.8 dB－－－＞訊號雜訊比,個人覺得至少要10dB以上 Actual Delay: 5.0 ms 5.0 ms－－－＞Delay時間，這會影響ping值 Transmit Power: 6.8 dBm 3.8 dBm－－－＞不清楚，照字面解釋就是傳送資料時所用的功率 Receive Power: -9.6 dBm -17.8 dBm－－－＞不清楚，照字面解釋就是接收資料時所用的功率 Actual INP: 18.0 symbols 18.0 symbols－－－＞不清楚 Total Attenuation: 24.6 dB 13.5 dB－－－＞線路衰減值，距離越遠衰減值越高 Attainable Net Data Rate: 28.920 Mbps 54.019 Mbps－－－＞此線路品質允許的最高的線路速度 大約解釋一下，希望大家看的懂 dxjd4 2008-06-29, 02:18 AM 我也分享一下 6/28日新裝 ============================================================================ VDSL Training Status: Showtime VDSL Profile: PROF_17A Traffic Type: PTM ============================================================================ VDSL Port Details Upstream Downstream Line Rate: 3.075 Mbps 25.136 Mbps Actual Net Data Rate: 3.011 Mbps 25.024 Mbps SNR Margin: 32.4 dB 30.9 dB Actual Delay: 5.0 ms 5.0 ms Transmit Power: 1.6 dBm 7.0 dBm Receive Power: -4.8 dBm -18.5 dBm Actual INP: 18.0 symbols 18.0 symbols Total Attenuation: 20.2 dB 11.8 dB Attainable Net Data Rate: 41.007 Mbps 75.061 Mbps ============================================================================ VDSL Band Status U0 U1 U2 U3 D1 D2 D3 SNR Margin: N/A 32.5dB 32.3dB N/A 30.9dB 30.9dB N/A Signal Attenuation: N/A 18.2dB 26.2dB N/A 9.6dB 19.9dB N/A Line Attenuation: 4.9dB 15.7dB 26.0dB N/A 8.6dB 18.8dB 36.2dB Transmit Power: N/A N/A N/A N/A 4.4dBm 3.5dBm N/A ============================================================================ VDSL Counters PTM Rx Tx Packets: 4829498 3799777 Current 15 mins Near End Far End CRC: 0 0 ES: 0 0 SES: 0 0 UAS: 0 0 Lofs: 0 0 LOSs: 0 0 FECs: 0 0 RS Correct: 0 0 RS Uncorrect: 0 0 ============================================================================ |
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