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Exchange lines & Internet Speed

PraxxtorCruel Avatar
6y, 11m agoPosted 6 years, 11 months ago
Okay, I'm a little confused here, I done some research on my exchange line (LNPOP). It says it's able to support upto 9.96 mb. When I called my ISP they also said 9.96mb. I must be converting the results wrong or something else, but speedtest show's my download speeds as 15 meg and upload as 1 meg. Can someone help me figure this out? I'm on a 24 meg line. If the exchange can only hit 9.96 mb max then how comes I'm getting 15 mb?
PraxxtorCruel Avatar
6y, 11m agoPosted 6 years, 11 months ago
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#1
What ISP are you with? Virgin and a few others have the ability to boost the speed at some exchanges.

So although the exchange may be rated at a certain speed you may actually be given something different.

Where are you getting this line rate of 15MB? is it from a speed test or what your router is telling you it is connected at?
#2
What speed is your router synching at?
Speedtests are particularly accurate most of the time?
#3
Celticsun
What ISP are you with? Virgin and a few others have the ability to boost the speed at some exchanges.


I'm with TalkTalk. From speedtest.net and talktalk's own speed tester.
#4
Babbabooey
What speed is your router synching at?
Speedtests are particularly accurate most of the time?


Bandwidth Down/Up(kbps) 16329 / 1010
#5
Celticsun
What ISP are you with? Virgin and a few others have the ability to boost the speed at some exchanges.

So although the exchange may be rated at a certain speed you may actually be given something different.

Where are you getting this line rate of 15MB? is it from a speed test or what your router is telling you it is connected at?


So are you saying I might be capable of pushing my internet speed closer to 24 meg?
#6
PraxxtorCruel
Bandwidth Down/Up(kbps) 16329 / 1010


Then the most you will get is 16 meg. Don't complain about it, and ignore what your ISP said about getting no more than 9.
PS, my post was meant to say that speed tests are UNaccurate, bloody multi-tasking.
#7
Babbabooey
Then the most you will get is 16 meg. Don't complain about it!
PS, my post was meant to say that speed tests are UNaccurate, bloody multi-tasking.


I'm not complaining, I just wanted to know, how my exchange line can only support max speeds of 9.96 mb when I'm getting 16 meg. You see I'm willing to pay more to get closer to 24 meg if possible, when I tried BT, they said they could only offer me 8 meg as the max speed I would get is 5.5 meg? Weird huh?
#8
Due to me living over 3miles from the exchange they (both ISP and various sites I've checked) report that my line should support no more than 2Mbs yet I frequently sync up at 3Mbs. I decided not to look a gift horse in the mouth if I'm getting faster speeds than I supposedly should LOL

The fact its too slow to use for a multi PC household needing iplayer et all type feeds is beside the point :(
#9
you tried this 1 rather than speedtest.....ive had a few didgy readings from there
http://www.samknows.com/broadband/checker2.php
#10
casparwhite
you tried this 1 rather than speedtest.....ive had a few didgy readings from there
http://www.samknows.com/broadband/checker2.php


It says all services are available at my area. Although it does say my area isn't adsl+2 ready,even though my router shows using adsl+2
#11
PraxxtorCruel
It says all services are available at my area.


lol, the line checker thingy maybe i linked the wrong link:-D
#12
casparwhite
lol, the line checker thingy maybe i linked the wrong link:-D


Lol, I can't seem to find it anywhere?
#13
Anyone able to explain this?

I just wanted to know, how my exchange line can only support max speeds of 9.96 mb when I'm getting 16 meg. You see I'm willing to pay more to get closer to 24 meg if possible, when I tried BT, they said they could only offer me 8 meg as the max speed I would get is 5.5 meg? Weird huh?
#14
PraxxtorCruel;7265796
Anyone able to explain this?

I just wanted to know, how my exchange line can only support max speeds of 9.96 mb when I'm getting 16 meg. You see I'm willing to pay more to get closer to 24 meg if possible, when I tried BT, they said they could only offer me 8 meg as the max speed I would get is 5.5 meg? Weird huh?


Where was you research that said speed limit of 9.96mb from?
#15
jah128
Where was you research that said speed limit of 9.96mb from?


Exchange (Code) Potential Synchronisation Speed [?]
POPLAR (LNPOP) 9.96 Mbps (10200 Kbps) (How can I achieve this speed?)

From talktalk's own website. Even bt themself's said max speed I'd get is 5.5 meg lol.
#16
PraxxtorCruel;7265844
Exchange (Code) Potential Synchronisation Speed [?]
POPLAR (LNPOP) 9.96 Mbps (10200 Kbps) (How can I achieve this speed?)

From talktalk's own website. Even bt themself's said max speed I'd get is 5.5 meg lol.

BT's guess was made on data provided by BT wholesale (could now be provide by openreach) and it's only a rough guess. Bt's guesstimate is only for RADSL (upto 8 meg) and doesn't account for ADSL2+
#17
Paddy_o_furniture
BT's guess was made on data provided by BT wholesale (could now be provide by openreach) and it's only a rough guess. Bt's guesstimate is only for RADSL (upto 8 meg) and doesn't account for ADSL2+


Okay, so if I was to call Openreach rather than bt wholesale, would they be able to tell me the max speeds my exchange line could handle? Reason I'm asking is as I am only 300 metres away from the exchange.
#18
PraxxtorCruel;7266045
Okay, so if I was to call Openreach rather than bt wholesale, would they be able to tell me the max speeds my exchange line could handle? Reason I'm asking is as I am only 300 metres away from it.

Openreach will direct you to your service provider, as Transco would if you had a problem with a gas bill etc. Just because the distance to the exchange is 300m from your house means nothing, telephone cables usually don't take the most simple route. You may be on a direct cable (no cabinet)http://www.rutlandtelecom.co.uk/images/lyddingtoncab1.JPG
(this is a cabinet or PCP, the cable companies call them muxs).
But it's likely that your line will go through one of these, which could be 800m from the exchange, plus the distance to your house.
What is your line attenuation/loss?
#19
Paddy_o_furniture
Openreach will direct you to your service provider, as Transco would if you had a problem with a gas bill etc. Just because the distance to the exchange is 300m from your house means nothing, telephone cables usually don't take the most simple route. You may be on a direct cable (no cabinet)http://www.rutlandtelecom.co.uk/images/lyddingtoncab1.JPG
(this is a cabinet or PCP, the cable companies call them muxs).
But it's likely that your line will go through one of these, which could be 800m from the exchange, plus the distance to your house.
What is your line attenuation/loss?


Well my line attenuation is 24/14.5
#20
PraxxtorCruel
Anyone able to explain this?

I just wanted to know, how my exchange line can only support max speeds of 9.96 mb when I'm getting 16 meg. You see I'm willing to pay more to get closer to 24 meg if possible, when I tried BT, they said they could only offer me 8 meg as the max speed I would get is 5.5 meg? Weird huh?


The 9.96mb is just based on the line quality, they measure different factors such as interference and noise loss etc. and then tell you based on the the maximum their system thinks you'll get. If you get more then you're just lucky. If you want to see if you can go faster try this: http://www.jarviser.co.uk/jarviser/broadbandspeed.html or buy a BT iplate. Also I added another 1mb to my speed by buying this microfilter http://www.broadbandbuyer.co.uk/Shop/ShopDetail.asp?ProductID=1652
#21
PraxxtorCruel;7266130
Well my line attenuation is 24/14.5

Which one is your downstream?
#22
SunTzu
The 9.96mb is just based on the line quality, they measure different factors such as interference and noise loss etc. and then tell you based on the the maximum their system thinks you'll get. If you get more then you're just lucky. If you want to see if you can go faster try this: http://www.jarviser.co.uk/jarviser/broadbandspeed.html or buy a BT iplate. Also I added another 1mb to my speed by buying this microfilter http://www.broadbandbuyer.co.uk/Shop/ShopDetail.asp?ProductID=1652


Thank's will try but the weird thing is when I opened up my socket, the front just drops of and has no wires going into the terminals? All the wires are within the wall?
#23
Paddy_o_furniture
Which one is your downstream?


24, one.
#24
The isp i work for works an averages.
so we look at a post code and it works out the ave.
if there are say 20 houses on your postcode...18 of them are using crappy extension leads and only getting say 7 or 8 meg...and 2 of you have got it into your main socket getting 15-16
it will work out the ave and show that on the site.

thats not always 100% but sometimes explains why ppls speeds can be up or down compaired to the checker.
#25
akme
The isp i work for works an averages.
so we look at a post code and it works out the ave.
if there are say 20 houses on your postcode...18 of them are using crappy extension leads and only getting say 7 or 8 meg...and 2 of you have got it into your main socket getting 15-16
it will work out the ave and show that on the site.

thats not always 100% but sometimes explains why ppls speeds can be up or down compaired to the checker.


So I might still have luck of achieving 20 megs as I myself use a 15 metre extension lead.
#26
PraxxtorCruel;7266180
24, one.

24db downstream atteunation would indicate a line alot longer than 300m, or you have something wrong in the house
#27
PraxxtorCruel;7266203
So I might still have luck of achieving 20 megs as I myself use a 15 metre extension lead.

Extension lead would have the opposite effect
#28
Paddy_o_furniture
24db downstream atteunation would indicate a line alot longer than 300m, or you have something wrong in the house


That's what I was thinking, I got the 300 metre result from some isp website or something can't remember well, but it said the exchange line was 300 metres away, I actually now know where it is. It's pretty close 2 minute walking distance but as you said it was must the long way round or something wrong with my home lol.
#29
Paddy_o_furniture
Extension lead would have the opposite effect


So if I took of the extension lead, the speed would stay the same or decrease?
#30
PraxxtorCruel
So I might still have luck of achieving 20 megs as I myself use a 15 metre extension lead.


Blimey, get rid of the extension lead as soon as you can, they kill your speed. You should really have either an iplate or the microfilter plugged directly into the master socket and then straight into your modem on the shortest, shielded cable you can. If you can do this and get a decent microfilter you'll have the best chance possible of achieving 20mg+
#31
akme;7266185
The isp i work for works an averages.
so we look at a post code and it works out the ave.
if there are say 20 houses on your postcode...18 of them are using crappy extension leads and only getting say 7 or 8 meg...and 2 of you have got it into your main socket getting 15-16
it will work out the ave and show that on the site.

thats not always 100% but sometimes explains why ppls speeds can be up or down compaired to the checker.

The picture of the PCP I posted, that may have 3 cables feeding it.
Cable A is aluminium is 1.2km long and has a line loss of 20db
Cable B is a mixture of high poundage copper and ali and is 1.4km but has a loss of 18db.
Cable c is 0.5 copper and is 1km long and has a loss of 16db.
You have 600 subs of a cabinet, the best cable to be on is cable C however openreach won't move you for no reason.
Your street of 20 people may have 7 on a 7 on b and 6 on c. The people on C are most likely to recieve the best speeds. But as you correctly stated internal wiring can be a big factor
#32
PraxxtorCruel;7266246
So if I took of the extension lead, the speed would stay the same or decrease?

Go to your master socket
http://www.rob-r.co.uk/other/UKphonecatwiring_files/image012.jpg
remove the front plate like this.
Plug your router into the test socket and log into your routers stat page, any difference in line loss, SNR and synch speed?
#33
SunTzu
Blimey, get rid of the extension lead as soon as you can, they kill your speed. You should really have either an iplate or the microfilter plugged directly into the master socket and then straight into your modem on the shortest, shielded cable you can. If you can do this and get a decent microfilter you'll have the best chance possible of achieving 20mg+


Haha you know you're right, yesterday I tried the internet without an extension lead and my speed jumped up my 3mb, I was pretty amazed but I could not keep the computer in the living room. Would a long lan cable be better, or would it too cause slower internet speeds.
#34
Paddy_o_furniture
Go to your master socket
http://www.rob-r.co.uk/other/UKphonecatwiring_files/image012.jpg
remove the front plate like this.
Plug your router into the test socket and log into your routers stat page, any difference in line loss, SNR and synch speed?


Tried it yesterday and attenuation stays the same but noise margin decreased by a few db. Synch speed had gone up by 3000 for download and about 200 for upload. Have you removed the old 'bell wire' from your connection and would you recommend it, did you notice any huge differences?
#35
PraxxtorCruel;7266326
Tried it yesterday and attenuation stays the same but noise margin decreased by a few db. Synch speed had gone up by 3000 for download and about 200 for upload. Have you removed the old 'bell wire' from your connection and would you recommend it, did you notice any huge differences?

Bell wire can improve things, but if your NTE5 master socket is an Openreach branded one it has a bell wire supressor already fitted. You can try it won't make anything worse. Even though I work for bt/openreach I only have one telephone socket (so bell wire is irrelvant for me)
#36
get rid of extension lead.
#37
akme
get rid of extension lead.


Would a lan cable be better than? As I can't keep the computer in the living room.
#38
Paddy_o_furniture
Bell wire can improve things, but if your NTE5 master socket is an Openreach branded one it has a bell wire supressor already fitted. You can try it won't make anything worse. Even though I work for bt/openreach I only have one telephone socket (so bell wire is irrelvant for me)


Would it say BT Openreach on the master socket, as mine just says BT? I too have only one telephone socket, so it's irrelevant to me too?
#39
PraxxtorCruel
Would a lan cable be better than? As I can't keep the computer in the living room.


either a longer rj11 cable..or a longer rj45
#40
PraxxtorCruel;7266373
Would a lan cable be better than? As I can't keep the computer in the living room.

A long ethernet cable is better than a long extension, especially if it's a plug in DIY type (usually flat with none twisted pairs). Can't you keep your router by the NTE5 and go wireless, or powerline/homeplug adapters?

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