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Distinguished Sage
Posts: 52,732
Registered: ‎27-01-2010
0

Re: Disapointed with broadband upstream and downstream speed

if your exchange is 21CN enabled then you can try uk sales 08007830056 and as a new customer complain about being on adslmax when your exchange is 21CN enabled - why are you not on adsl2/2+?

 

if you get no help from sales then email the mods and see if they can get you sorted and on to adsl2/2+  http://bt.custhelp.com/app/contact_email/c/4951


mods can take upt o 3 days to reply to you


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Aspiring Contributor
Posts: 7
Registered: ‎07-01-2012
0

Re: Disapointed with broadband upstream and downstream speed

Right, got telnet access enabled and issued

 

adsl info --stats and got....

 

~ # adsl info --stats
adsl: ADSL driver and PHY status
Status: Showtime
Last Retrain Reason: 0
Last initialization procedure status: 0
Max: Upstream rate = 1224 Kbps, Downstream rate = 10060 Kbps
Channel: INTR, Upstream rate = 448 Kbps, Downstream rate = 8128 Kbps

Link Power State: L0
Mode: G.DMT
TPS-TC: ATM Mode
Trellis: ON
Line Status: No Defect
Training Status: Showtime
Down Up
SNR (dB): 7.9 25.0
Attn(dB): 27.5 14.5
Pwr(dBm): 19.7 12.3
G.dmt framing
K: 255(0) 15
R: 20 16
S: 1.0000 8.0000
D: 64 4

 

As its reporting the Mode to be G.DTM this validate that I've got an ADSL Max connection on G.992.1 right?

Distinguished Sage
Posts: 52,732
Registered: ‎27-01-2010

Re: Disapointed with broadband upstream and downstream speed

yes and confirmed by speeds 8128/448

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Distinguished Sage
Posts: 49,769
Registered: ‎21-06-2010
0

Re: Disapointed with broadband upstream and downstream speed

Hi its a matter of following imjolly's advice and getting moved to adsl2+ try UK sales if no luck the contact the mods

john46 | BT.com Help Site | BT Service Status
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Aspiring Contributor
Posts: 7
Registered: ‎07-01-2012
0

Re: Disapointed with broadband upstream and downstream speed

So after quite a long time on the phone I've managed to get my profile changed.

 

adsl info now :

 

adsl: ADSL driver and PHY status
Status: Showtime
Last Retrain Reason: 8000
Last initialization procedure status: 0
Max: Upstream rate = 1208 Kbps, Downstream rate = 15448 Kbps
Bearer: 0, Upstream rate = 1215 Kbps, Downstream rate = 13951 Kbps

Link Power State: L0
Mode: ADSL2+
TPS-TC: ATM Mode
Trellis: U:smileysurprised:N /D:smileysurprised:N
Line Status: No Defect
Training Status: Showtime
Down Up
SNR (dB): 6.1 5.9
Attn(dB): 31.5 12.9
Pwr(dBm): 0.0 12.5

 

However something odd seems to have happened with the noise / attenuation on the line.

Previously ::
SNR (dB): 7.9 25.0
Attn(dB): 27.5 14.5
Pwr(dBm): 19.7 12.3

 

Now ::
SNR (dB): 6.1 5.9
Attn(dB): 31.5 12.9
Pwr(dBm): 0.0 12.5

 

I wouldn't have expected these to change significantly. Is this something to be concerned about? SNR has dropped and Attenuation has increased. The Power reporting as 0 is a little on the odd side also!

Distinguished Sage
Posts: 52,732
Registered: ‎27-01-2010
0

Re: Disapointed with broadband upstream and downstream speed

stats looking ok and now adsl2+

 

noise margin is about normal of 6, attenuation normally increases by 2/3 db on 21CN and the 0 power is ok and a reporting fault

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Distinguished Sage
Posts: 49,769
Registered: ‎21-06-2010
0

Re: Disapointed with broadband upstream and downstream speed

hi no the snr is now at the default setting and it is normal for attenuation to increase by 2to 3 dB when going to adsl2+ power reporting is a software bug that pops up occasionally nothing to worry about just remember you are on a 10 day line training time again so leave the router with no manual restarts however you may get the odd disconnection while the line stabilises its best speed

john46 | BT.com Help Site | BT Service Status
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