Digital_sin
Joined: 17 Nov 2005
Posts: 2
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 Posted:
Thu Nov 17, 2005 6:56 pm Post subject:
help with noise margin readings. |
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hey guys, this is my first post here 
can somebody give me their opinion about these noise margin readings from my ADSL router?
I'm running on 2048 down, and 512 up
Downstream:-
relative capacity occupation: 51%
noise margin downstream: 22.5 db
output power upstream: 10.5 dbm
attenuation downstream: 28.0 db
carrier load: number of bits per symbol(tone)
tone 0- 31: 00 00 00 06 68 99 aa ab ab aa aa a9 99 98 77 00
tone 32- 63: 00 00 00 22 23 44 45 55 66 67 77 77 77 77 77 77
tone 64- 95: 07 75 67 77 27 77 76 76 76 77 77 76 66 66 66 66
tone 96-127: 66 66 66 65 66 66 66 66 66 66 65 56 55 55 55 55
tone 128-159: 52 45 55 55 55 55 55 55 45 55 55 55 55 55 55 55
tone 160-191: 55 54 54 55 54 55 45 44 45 55 44 44 44 44 44 44
tone 192-223: 44 44 44 44 44 44 44 44 44 44 44 44 43 44 44 44
tone 224-255: 33 44 44 44 44 44 43 32 22 20 00 00 00 00 00 00
Upstream:-
relative capacity occupation: 78%
noise margin upstream: 17.0 db
output power downstream: 20.0 dbm
attenuation upstream: 15.5 db
carrier load: number of bits per symbol(tone)
tone 0- 31: 00 00 00 06 68 99 aa ab ab aa aa a9 99 98 77 00
tone 32- 63: 00 00 00 22 23 44 45 55 66 67 77 77 77 77 77 77
tone 64- 95: 07 75 67 77 27 77 76 76 76 77 77 76 66 66 66 66
tone 96-127: 66 66 66 65 66 66 66 66 66 66 65 56 55 55 55 55
tone 128-159: 52 45 55 55 55 55 55 55 45 55 55 55 55 55 55 55
tone 160-191: 55 54 54 55 54 55 45 44 45 55 44 44 44 44 44 44
tone 192-223: 44 44 44 44 44 44 44 44 44 44 44 44 43 44 44 44
tone 224-255: 33 44 44 44 44 44 43 32 22 20 00 00 00 00 00 00
Its the middle of the day and i have like 5 pcs using this connection right now, i dunno if this makes a difference but i thought it might be worth mentioning...
i would also like to know what exactly are these readings and what affects them (how to improve them if they are off).
Thanks Guys!  |
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