Broadband Related > ADSL Issues
line stats
Treadmore:
Nice site and forum Kitz :)
Just swapped from Pipex to Evolution - no problems with the swap process, but downloads seem to be capped still to ~2Mbps though I am synching ok at 8128/448 kbps.
Anyways, I wondered if anyone here could help me interpret my line stats reported by my modem (Netgear DM602).
--- Code: ---
Vendor ID : 0039
Revision Number : T93.3.23
Serial number : 123456789abcdx
Self Test : Passed Framing Structure : Framing-3
Standard : T1.413 Trellis Coding : Enable
Local Tx. Power(dB) : 11.95 Remote Tx.Power(dB) : 19.77
Local Line Atten(dB) : 49.5 Remote Line Atten(dB) : 9.5
Local SNR Margin(dB) : 9.5 Remote SNR Margin(dB) : 25.0
Up SValue : 1 Down SValue : 1
Up DValue : 1 Down DValue : 1
UpIntrlvd UpFast DownIntrlvd DownFast
AS0(kbps): - - 0 8128
AS1(kbps): - - 0 0
LS0(kbps): 0 448 - -
LS1(kbps): 0 0 - -
RValue : 0 0 0 0
--- End code ---
And first off - do these stats apply to the synchronisation speed? In other words is my SNR margin referring to 8Mbps or the capped ~2Mbps?
Secondly I don't understand the local/remote distinction? Or the Up/Down S/DValues? Or the last table?
Any information much appreciated.
Thanks
kitz:
Hi treadmore, welcome to the forums :)
I wouldnt worry too much about still being "capped" to 2Mbps, it seems to be quite a common feature that the BT profile seems to stay at 2Mbps for around the first 3 days, regardless of what speed you are syncing at.
For 10 days, kit at the exchange will monitor your connection to find the most appropriate speed for your connection, so hopefully you should start to see this increasing over the next few days, after which time it should find your MSR (maximum stable rate).
Probably one of the best things you can do is keep your router switched on over the next 10 days without disconnecting it.
---
Local is your downstream rate whereas remote is upstream...
Downstream relates to how fast you can receive data.
Therefore your important figures are local line attenuation and local SNR margin.
The SNR margin seems to be coping quite well at a sync speed of 8128, so its looking ok so far.
Continue to monitor.. the problems you dont want to see are lots of CRC and HEC errors.
Im not sure where they are in the web interface on the netgear, but in case you cant find them they should be able to be accessed via the telnet commands
$get dsl stats cntrs
and
$get dsl stats curr
Hope this helps
Treadmore:
thanks for reply kitz :)
I did get those stats using the CLI, and have been checking on and off.
I've noticed today that the ADSL standard has now changed from T1.413 to G.dmt - same sync speed. Any significance in that?
kitz:
--- Quote from: "Treadmore" ---I've noticed today that the ADSL standard has now changed from T1.413 to G.dmt - same sync speed. Any significance in that?
--- End quote ---
Ummm pass..
I hadnt noticed that, tbh I didnt even look at it because afaik its not something that should ever change. :?:
g.dmt is the standard that you should be using for adsl in the uk.
Treadmore:
Vendor ID changed too - though I've not changed anything. ho hum
thanks for replies :)
--- Code: ---Vendor ID : 00B5GSPN
Revision Number : T93.3.23
Serial number : 123456789abcdx
Self Test : Passed Framing Structure : Framing-3
Standard : G.dmt Trellis Coding : Enable
Local Tx. Power(dB) : 11.75 Remote Tx.Power(dB) : 19.77
Local Line Atten(dB) : 49.5 Remote Line Atten(dB) : 9.5
Local SNR Margin(dB) : 8.0 Remote SNR Margin(dB) : 23.0
Up SValue : 1 Down SValue : 1
Up DValue : 1 Down DValue : 1
UpIntrlvd UpFast DownIntrlvd DownFast
AS0(kbps): - - 0 8128
AS1(kbps): - - 0 0
LS0(kbps): 0 448 - -
LS1(kbps): 0 0 - -
RValue : 0 0 0 0
--- End code ---
[/code]
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