Negative Output Power and Haywire Stats in Router

Apoorv Khatreja

Super Loser
Messages
1,360
Location
Delhi
This has been the scenario since yesterday. What could possibly be the problem?

Th upstream power and rate are very very high than usual, and the downstream rate is very low, it should be 2048 Kbps. The funny thing is that the output power is negative.
 

Apoorv Khatreja

Super Loser
Messages
1,360
Location
Delhi
These are my current settings. G. DMT seems to be enabled. Do you suggest any changes in these settings?
 


essbebe

MODERATOR
Messages
9,802
uncheck other modulation choices. keep bitswap. and try. someone reported T 413 selected today.Presume modem beetel 220bx.
 

Apoorv Khatreja

Super Loser
Messages
1,360
Location
Delhi
I changed the settings to these -



And now the stats are -



Much better, but still not as good as before.

BTW, another question, I've been using the previous settings since more than 2 years, so why has this problem come up now, all of a sudden? Has MTNL changed some setting?

P.S. - is register.bol.net.in opening for you?
 

essbebe

MODERATOR
Messages
9,802
Has MTNL changed some setting?
sorry. On Airtel now. no mtnl in Chennai. and got different data !
GDMT d/l 16.3 attn 29 db -3.2 ( negative when snr is low ?)
Adsl2+ d/l 31.7 attn 12 db 1.6 selecting this now ! attn has gone low snr increased.
T514 d/l28.3 attn 29 db 7.8

YES register.bol.net.in
MAHANAGAR TELEPHONE NIGAM LIMITED

Now (Lunch break!)
Mode: ADSL2
Line Coding: Trellis On
Status: No Defect
Link Power State: L0 SNR Margin (dB): 30.3 17.6
Attenuation (dB): 8.0 19.3
Output Power (dBm): 6.9 -14.4
Attainable Rate (Kbps): 13188 1371
Rate (Kbps): 2063 519
 


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