DB120 RG100A 同一线路信噪比 对比

kamizhou

最近刚入了两台机子，一台RG100A 一台DB120
两台机器刷了同一固件，同一CFE
CFE为DLINK 2650BU R1.0的
固件时DLINK 2650 R1.12的
RG100A:

Statistics -- ADSL

Mode:		ADSL2+
Line Coding:		Trellis On
Status:		No Defect
Link Power State:		L0
	Downstream	Upstream
SNR Margin (dB):	31.4	20.5
Attenuation (dB):	32.0	13.2
Output Power (dBm):	12.6	0.0
Attainable Rate (Kbps):	16864	660
Rate (Kbps):	3455	572
MSGc (number of bytes in overhead channel message):	68	93
B (number of bytes in Mux Data Frame):	94	13
M (number of Mux Data Frames in FEC Data Frame):	1	16
T (Mux Data Frames over sync bytes):	1	1
R (number of check bytes in FEC Data Frame):	16	16
S (ratio of FEC over PMD Data Frame length):	0.8706	11.6364
L (number of bits in PMD Data Frame):	1020	165
D (interleaver depth):	64	2
Delay (msec):	13	5
Super Frames:	18308	16405
Super Frame Errors:	0	0
RS Words:	1354794	101287
RS Correctable Errors:	0	0
RS Uncorrectable Errors:	0	N/A
HEC Errors:	0	0
OCD Errors:	0	0
LCD Errors:	0	0
Total Cells:	2406248	391046
Data Cells:	17286	48574
Bit Errors:	0	0
Total ES:	0	1
Total SES:	0	0
Total UAS:	23	63

DB120的
Statistics -- ADSL

[/tr]

Mode:		ADSL2+
Line Coding:		Trellis On
Status:		No Defect
Link Power State:		L0
	Downstream	Upstream
SNR Margin (dB):	31.7	21.5
Attenuation (dB):	32.0	13.8
Output Power (dBm):	12.4	1.0
Attainable Rate (Kbps):	18764	660
Rate (Kbps):	3455	572
MSGc (number of bytes in overhead channel message):	68	93
B (number of bytes in Mux Data Frame):	94	13
M (number of Mux Data Frames in FEC Data Frame):	1	16
T (Mux Data Frames over sync bytes):	1	1
R (number of check bytes in FEC Data Frame):	16	16
S (ratio of FEC over PMD Data Frame length):	0.8706	11.6364
L (number of bits in PMD Data Frame):	1020	165
D (interleaver depth):	64	2
Delay (msec):	13	5
Super Frames:	159050	142282
Super Frame Errors:	0	0
RS Words:	11769728	878450
RS Correctable Errors:	1	0
RS Uncorrectable Errors:	0	N/A
HEC Errors:	0	0
OCD Errors:	0	0
LCD Errors:	0	0
Total Cells:	20877972	3435530
Data Cells:	5869606	946624
Bit Errors:	0	0
Total ES:	0	1
Total SES:	0	0
Total UAS:	22	65

两台机器相隔半个小时，轮换了2次，数据差不多
好像从可达到的下行速率看 DB120 信号比RG100A好点，多了2M多

dimzhu

基本一样，差别不大