Mode: | G.DMT | Type: | Fast | Line Coding: | Trellis On | Status: | No Defect | Link Power State: | L0 | | | Downstream | Upstream | SNR Margin (dB): | 30.2 | 26.0 | Attenuation (dB): | 16.0 | 8.5 | Output Power (dBm): | 12.1 | 16.9 | Attainable Rate (Kbps): | 12192 | 1344 | Rate (Kbps): | 4096 | 512 | K (number of bytes in DMT frame): | 129 | 17 | R (number of check bytes in RS code word): | 0 | 0 | S (RS code word size in DMT frame): | 1 | 1 | D (interleaver depth): | 1 | 1 | Delay (msec): | 0 | 0 | |
Mode: | ADSL2+ | [/tr]Line Coding: | Trellis On | Status: | No Defect | Link Power State: | L0 | | | Downstream | Upstream | SNR Margin (dB): | 30.8 | 29.5 | Attenuation (dB): | 19.0 | 8.5 | Output Power (dBm): | 12.3 | 9.5 | Attainable Rate (Kbps): | 21284 | 1213 | Rate (Kbps): | 4095 | 509 | MSGc (number of bytes in overhead channel message): | 59 | 16 | B (number of bytes in Mux Data Frame): | 127 | 15 | M (number of Mux Data Frames in FEC Data Frame): | 1 | 1 | T (Mux Data Frames over sync bytes): | 1 | 3 | R (number of check bytes in FEC Data Frame): | 0 | 0 | S (ratio of FEC over PMD Data Frame length): | 0.9922 | 0.9846 | L (number of bits in PMD Data Frame): | 1032 | 130 | D (interleaver depth): | 1 | 1 | Delay (msec): | 0 | 0 |
如上两个表,路由默认的话是全部模式都打钩,自动选择,会选ADSL2+
如果把其他模式都取消,单独选g.dmt,一样能连接
想问一下这是什么意思? 电信同时开了两种模式?
再g.dmt不是只支持到8m吗?怎么我上面显示最大到12m?
另外再问一下长远使用选哪个模式好? |