Understanding SNR and Attenuation Rates

is there any way we could drop the atteuntion or SNR if it was on the brink of re-syncing ? is there any equiptment we can buy that will stable the line ?
 
OK so what would you dudes think of this
recently upgraded to a 3Mb line had to downgrade from the 4 coz the flippin line kept dropping

this is my D -Link

Item

Downstream

Upstream

Unit
SNR Margin

11

17

dB
Line Attenuation

47

27

dB
Data Rate

3070

503

kbps
 
Well according to this, your levels are a bit dodgy!!! not surprised telkom are having issues with the 8MB... the copper is cock!

Heres is my table of comparisons
SNR:

6dB or below is very bad and will experience no synch or intermittent synch problems
7dB-10dB is fair but does not leave much room for variances in conditions
11dB-20dB is good with little or no sync problems
20dB-28dB is excellent
29dB or above is outstanding

Attenuation:

20dB and below is outstanding
20dB-30dB is excellent
30dB-40dB is very good
40dB-50dB is good
50dB-60dB is poor and may experience connectivity issues
60dB or above is bad and will experience connectivity issues
 
well then maybe i should drop backk down to 2 Mb then ??:( so sad i use the line for
online gaming ontop of it for international gaming !!

flip well it does drop but only when i pick up the phone ? so disconnected the phone completely
 
Jizzims said:
well then maybe i should drop backk down to 2 Mb then ??:( so sad i use the line for
online gaming ontop of it for international gaming !!

flip well it does drop but only when i pick up the phone ? so disconnected the phone completely
Click to expand...

where abouts are you based?

gees that is crazy, im really fortunate that my levels are so good!
 
So my line at 384Kb/s should be suitable for 4Mb/s then?
(I requested 4Mb/s but the order managed to get messed up - waiting for an upgrade to be performed..)

ADSL Link Downstream Upstream
Connection Speed 384 kbps 128 kbps
Line Attenuation 3 db 1 db
Noise Margin 31 db 25 db

Agreed that this thread should be a sticky.
 
Gekco said:
So my line at 384Kb/s should be suitable for 4Mb/s then?
(I requested 4Mb/s but the order managed to get messed up - waiting for an upgrade to be performed..)

ADSL Link Downstream Upstream
Connection Speed 384 kbps 128 kbps
Line Attenuation 3 db 1 db
Noise Margin 31 db 25 db

Agreed that this thread should be a sticky.
Click to expand...

WOW u certain Line Attenuation 3 db / 1 db :erm: thats crazy low could indicate a false reading hope not :)
 
Holding thumbs for you bro :cool: will do some research to find out what could cause such brilliant figures would like you to post figures once the upgrade

... ps I would appreciate you could do a before and after to see info more clearly :rolleyes:

best of luck
 
Mineer said:
Holding thumbs for you bro :cool: will do some research to find out what could cause such brilliant figures would like you to post figures once the upgrade

... ps I would appreciate you could do a before and after to see info more clearly :rolleyes:

best of luck
Click to expand...

Thanks Mineer.
Will post the figures here as soon as the line is upgraded.
 
Starting to make some headway here...
After speaking to some supervisors re. Upgrade to 4Mb/s they upgraded the line to 1Mb/s.
They are going to phone me back re. Upgrade to 4 Mb/s (Some confusion seems to exist between Orders/Accounts and Support/Line Services.)

This is what I have now:

ADSL Link Downstream Upstream
Connection Speed 1024 kbps 512 kbps
Line Attenuation 2 db 1 db
Noise Margin 31 db 13 db

http://imgur.com/FBjIO.png

http://www.speedtest.net/result/555661572.png

Will post the 4Mb/s links as soon as I have them.
 
You must log in or register to reply here.
Back
Top
Sign up to the MyBroadband newsletter
X