FTTC speed and old master socket
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- Re: FTTC speed and old master socket
FTTC speed and old master socket
15-08-2017 8:13 PM - edited 16-08-2017 12:52 PM
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I recently switched to FTTC. I am 900 metres from the cabinet and my estimated download speed was 35 to 40 Mbps.
The line stats from my Draytek router are:
Actual Rate |
22400 |
Kbps |
Attainable Rate |
33328 |
Kbps |
SNR Margin |
8 |
dB |
Attenuation |
22 |
dB |
The BT Wholesale speed test gave these results:
Download speed achieved during the test was - 21.79 Mbps
For your connection, the acceptable range of speeds is 20 Mbps-21.68 Mbps .
Additional Information: IP Profile for your line is - 21.68 Mbps
Is this right? It seems a lot lower than the estimate I was given.
Could this be due to the fact that I have an old LJU2 master socket? I understand that the surge suppressor can cause issues with VDSL.
If so can I expect a free upgrade to an NTE5 or will I have to pay?
Mike
OR ...
Could it be due to my estate being built in the 1970s and still having aluminium cable? How can I find out?
Re: FTTC speed and old master socket
16-08-2017 5:05 PM
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When I placed my order I was given a speed estimate of 40-50mbps, my results from the Openreach ADSL checker give me a max line speed of 50.8mbps.
I get 55mbps.
For whatever reason (capacity, fault fix) I later get a max potential speed of 77mbps, I still get 55mbps. Engineer tells me 55mbps is all I'll get (I'm 490m from the cabinet)
A non- NTE5 socket could have an impact. I gained 12-15mbps when I switched mine out. Though I did also remove a few metres of internal cable wired from a junction box and connect the new socket directly to the drop wire.
Short answer- probably
If you're going to swap it out (2 wires- it's not hard) then remove as much excess cable as possible to maximize speed gains- size matters and less is more.
I don't condone people tampering with their master socket but unless you have a physical issue with your equipment on the BT end they won't replace anything and it's far cheaper to pay £10 for a MK4 box than £65+ for an "engineer"
Re: FTTC speed and old master socket
16-08-2017 6:49 PM
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Thanks for your response. As an engineer (radios, not telephones!) I would have no problem changing the socket but I like things to work properly and, when they don't, understand why.
I assume that BT has set my profile low because there is a line deficiency somewhere between the cabinet and the master socket?
Is there anything in the attached line stats that would help to diagnose the problem?
Mike
Re: FTTC speed and old master socket
16-08-2017 6:55 PM
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Use the BT Wholesale ADSL checker that should provide some insight in regards to your line speed range, bridges etc
Re: FTTC speed and old master socket
16-08-2017 6:57 PM
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What does the DSL checker say for your line.
http://www.dslchecker.bt.com/adsl/adslchecker.welcome
Brian
Re: FTTC speed and old master socket
16-08-2017 7:56 PM
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It's not necessarily the type of master socket itself, the problem could be due to the presence of any extension sockets (even with nothing plugged in), and you won't be able to conveniently disconnect the extensions or fit a filtered faceplate without a modern master socket.
Re: FTTC speed and old master socket
16-08-2017 8:11 PM
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Hi Brian
dslchecker results attached.
Mike
Re: FTTC speed and old master socket
16-08-2017 8:15 PM
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ejs
The master socket is in the hall where the cable comes in to the house. From there I have a twisted pair solid copper lead about 6 metres long to an extension socket with faceplate. This connects to our cordless telephone base unit and router.
Mike
Re: FTTC speed and old master socket
16-08-2017 8:58 PM
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From the DSL results it definitely appears your speed is not what it should be.
Brian
Re: FTTC speed and old master socket
17-08-2017 5:13 PM
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Hi Mike,
Since the problem may not be caused by your internal wiring, I'd probably recommend getting a fault reported to us at http://faults.plus.net so we can arrange an engineer visit to further investigate.
Having said that if the problem is caused by internal wiring, there may be a £65 callout charge and the engineer would usually upgrade the master socket for quality purposes however that's not guaranteed.
Anoush
Re: FTTC speed and old master socket
17-08-2017 6:24 PM
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Hi Anoush
Thanks for that. I will run one more test tomorrow with the router connected directly to the master socket. If that is still below par I will raise it as a fault.
Mike
Re: FTTC speed and old master socket
17-08-2017 10:55 PM
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I'm a fan of the filter plate put in between the two parts of your master socket. This i-plate or vDSL face plate has worked well in the two locations I've fitted one.
Worth a try.
Re: FTTC speed and old master socket
18-08-2017 8:49 AM
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Thanks markhawkin
If I ever get my master socket replaced I'll give it a go ...
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