Have upgrades started in Croydon - speed getting worse
 

I wonder if anyone knows if the 4 Mb/s to 10 Mb/s upgrades have started in Croydon?

I have the NTL/Telewest business 10 Mb/s, fixed IP service. When it was installed in August I would reliably achieve around 9-9.8 Mb/s pretty much always. Now it's very variable - during the day I get around 6-7 Mb/s and in the evenings 2-6 Mb/s.

If the upgrades have started I am wondering if this is causing over-subscription on the UBR.

Power levels on my modem are a bit out of range, but have been that way since installation and therefore can perform well:-

Downstream Status Operational
Channel ID 7
Downstream Frequency 339000000 Hz
Modulation 256QAM
Bit Rate 10240000 bits/sec
Power Level 18.2 dBmV
Signal to Noise Ratio 42.5 dB


Upstream Status Operational
Channel ID 1
Upstream Frequency 18800000 Hz
Modulation QPSK
Bit Rate 769000 bits/sec
Power Level 39.0 dBmV

Re: Have upgrades started in Croydon - speed getting worse
 

That downstream power level is too high that should get sorted

Re: Have upgrades started in Croydon - speed getting worse
 

You will have problems with that downstream power level at 18.2 db causing connection and speed issues, call Tech Support up and get your power levels checked.

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Re: Have upgrades started in Croydon - speed getting worse
 

is this usually fixed by fitting an attenuator or is it a change in the green box?

Re: Have upgrades started in Croydon - speed getting worse
 

Actually I think you will find he said he's an NTL:Telewest business customer, so the numbers are different!

I think you will find that the correct number for NTL:Telewest is: 0800 052 0800 and enter your customer pin (if you have 1)

Re: Have upgrades started in Croydon - speed getting worse
 

Thats what happens when you rush things, here is the website link for NTLTelewest business.

http://www.ntltelewestbusiness.co.uk/

Plus the correct number which is : Contact Us for all enquiries or call 0800 953 0180 Monday to Friday - 8am to 6pm