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steamdolly
Contributor
335 Views
Message 1 of 9

Inter leaving

Hi    Can anyone tell me please what

 

'Inter leaving on the line'               means please.  My speed as dropped down from 5.600 to 3.400  for the past few weeks.

 

Thanks.

Chas

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8 REPLIES 8
gouledw
Recognised Expert
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Message 2 of 9

Re: Inter leaving

The main purpose on interleaving is to improve stability on the line, it doesn't provide raw data like on fast path, but more rearranges it.

If you want you can take a look at this, provides more info about it http://www.kitz.co.uk/adsl/interleaving.htm
Distinguished Sage
Distinguished Sage
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Message 3 of 9

Re: Inter leaving

interleaving won't be the reason for the drop in connection speed

 

if you would like some help/assistance  please can you post the adsl stats from your router may need to 'show detail' to get all stats (if hub enter 192.168.1.254 in your browser and navigate to adsl or use a-z, if netgear enter 192.168.0.1) and run btspeedtester (MAC users may have problems) http://speedtester.bt.com or http://bt.custhelp.com/app/answers/detail/a_id/9354/c/346,4740,5520 and post the results .

Have you tried the quiet line test? - dial 17070 option 2 - should hear nothing - best done with a corded phone. if cordless phone you may hear a 'dull hum' which is normal

Someone may then be able to offer help/assistance/suggestions to your problem



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steamdolly
Contributor
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Message 4 of 9

Re: Inter leaving

Here are my details,  What can you tell from this please.  Router Status
 
Account NameDG834Gv5
Firmware Version V6.00.25
 
ADSL Port
MAC Address 00:22:3F:84:D0:1D
IP Address 109.149.185.111
Network Type PPPoA
IP Subnet Mask 255.255.255.255
Gateway IP Address 217.32.141.0
Domain Name Server
194.72.9.34
62.6.40.178
 
LAN Port
MAC Address 00:22:3F:84:D0:1A
IP Address 192.168.0.1
DHCP ON
IP Subnet Mask 255.255.255.0
 
Modem
ADSL Firmware VersionE.25.41.44 A
Modem StatusConnected
DownStream Connection Speed4539 kbps
UpStream Connection Speed1155 kbps
VPI0
VCI38
 
Wireless Port
Name (SSID)BTHomeHub-8D5F
RegionEurope
Channel1 (auto)
Wireless APON
Broadcast NameON
 

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Distinguished Sage
Distinguished Sage
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Message 5 of 9

Re: Inter leaving

there is another page in your hub with the adsl stats

 

connection time

modulation

attenuation

noise margin

errors  may have to 'show detail' at bottom to get all errors

 

also btspeedtester results would help



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steamdolly
Contributor
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Message 6 of 9

Re: Inter leaving

I hope this is what you require

 

System up time  7 days  23.15.25

 

line attenuation  55.00db  down  25.00db   up

noise margin  5.45db  down     6.5db   up

 

Results Image not loaded

Test1 comprises of two tests

1. Best Effort Test: -provides background information.

 Download  Speed
 3688 Kbps
  
0 Kbps4000 Kbps
Max Achievable Speed

 

 Download speedachieved during the test was - 3688 Kbps
 For your connection, the acceptable range of speeds is 1200-4000 Kbps.
 Additional Information:
 Your DSL Connection Rate :4539 Kbps(DOWN-STREAM), 1155 Kbps(UP-STREAM)
 IP Profile for your line is - 4004 Kbps


2. Upstream Test: -provides background information.

 Upload Speed
 958 Kbps
  
0 Kbps1155 Kbps
Max Achievable Speed

 

>Upload speed achieved during the test was - 958 Kbps
 Additional Information:
 Upstream Rate IP profile on your line is - 1155 Kbps

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gouledw
Recognised Expert
267 Views
Message 7 of 9

Re: Inter leaving

There could be a number of factors why your broadband speed has dropped recently.  Although everything appears to be fine, 

  1. A good throughput speed - CHECK
  2. A good profile, correct as your on the 88.2% system. - CHECK
  3. Your noise margin is at 6dB which is the target - CHECK.

Here are some helpful  tips from BT: http://bt.custhelp.com/app/answers/detail/a_id/35079 - you may have to copy and paste that link into your browser.


There may also be some other stuff you wanna check out like what affects your broadband inside your home: http://bt.custhelp.com/app/answers/detail/a_id/12666

and how its affected externally along your telephone line: http://bt.custhelp.com/app/answers/detail/a_id/35095

 

Things can change, I mean you may have some hidden electrical interference that you can't here.

 

Best thing to do is make sure all other electrical devices that may cause interference are well out of the way and that your connected at the master socket.  And the 'Bell Wire Trick' does it for some; here's a guide on how to take it out using the kits site http://www.kitz.co.uk/adsl/socket.htm .  My current setup at the moment I use this filtered faceplate http://www.adslnation.com/phpapps/catalog/product_info.php?products_id=105 which has been reccomended by many and it gave me an increase of 300 - 400kbps plus I also use a shielded ADSL (RJ11) cable which minimizes the interference.  And one thing I have to say probably the best investment was a BT Business Hub which have an excellent reputation on long lines for speed and stabibility.  I mean I gained an extra 1MB out of it http://www.ebay.co.uk/itm/BT-BUSINESS-HUB-2WIRE-2700HGV-/180692107571?pt=UK_Computing_Networking_SM&... they are quite reasonable on ebay 😛

 

Just some advice, hope some of it helps 🙂

 

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steamdolly
Contributor
256 Views
Message 8 of 9

Re: Inter leaving

Thanks for all your help.

 

I have been thinking of haveing the garage converted into a study. This will make my hub some 3' away from the master socket coming into the house. 

 

Chas.

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gouledw
Recognised Expert
222 Views
Message 9 of 9

Re: Inter leaving

Just found this by the grand RogerB, and this probably explains the best out of anything on the internet, well in my opinion it does: http://community.bt.com/t5/BB-Speed-Connection-Issues/Am-I-on-fast-path-or-interleaving/m-p/227469#M...
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