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- Improve your broadband ADSL connection
1. Introduction and basics -
ADSL via the telephone line
homes are provided with a
telephone line installed by their chosen telephone provider company. In
the UK this will most likely be BT wholesale.
The telephone provider usually installs a master socket which will be
wired back to the exchange equipment. The customer then can install
additional secondary sockets to other area's of the home eg front room
, bedroom etc.
The customer will normally subscribe for an ADSL connection for their
broadband Internet connection. Most ISP providers will provide their
own modem or router for the customer configured for ease of
installation. In the majority of the times the broadband connection
will work satisfactorily but occasionally the customer can have
problems with the connection randomly disconnecting or experience with
2. Improving your ADSL
Connection - The common Problem
The most common problems encounted for a poor Internet broadband
connection usually occurs due to the customer having poorly wired
telephone sockets. One of the best improvements that a user can carry
out to their telephone sockets is to remove or filter the third bell
wire connected for the sole purpose of ringing your
the secondary telephone sockets. Normally you will probably have the
blue and the blue/white cabling connected to terminals 2 and 5 on your
sockets with the third cable normally orange to terminal 3. Most
telephones are reqiured to be connected to the socket via an ADSL
filter device. The ADSL filter normally filters the voice part of the
telephone from creating interference to the digital data part of the
system. The good quality filters also provide the ring back capacitor
within them for provision of your phones ringing without the
third orange wire connection being required..
Basically the so called twisted pair wires connected to terminals 2 and
5 are electrically balanced. As long as you have used the standard
CW1308 or cat 5 wiring you should be on the right road for a stable
connection. The 3rd ring wire normally conected to terminal 3 on its
own would normally be un-balanced and acts as an aerial wire picking up
interference and causing havoc to the internet broadband connection.
2. The most recommended cure -
Even if your phone extension sockets are unused, those extensions can
still generate electrical interference also known as (REIN) from the
bell-wire and then interfer down
the BT line and reduce your exchange profile speed setting.
Even if you have no REIN interference, this method will in most cases
no harm even if there is no improvement. It will certainly ensure in
most cases the prevention of any future RF
otherwise most likely may occur..
The so called bell wire fix is the removal of the third bell wire
normally conncted to terminal 3 on all your telephone sockets.
You carefully remove your sockets so that you can access the
wiring terminating on to the sockets. You then simply cut or remove the
cable connected to terminal 3 on all the telephone sockets.
For those who want to improve their connection without the need of the
fix above a filter plate that fits into the master socket which filters
the bell wire can be purchased from BT or your ISP known as the iplate.
BT developed the iPlate or "BT Broadband Accelerator" to isolate the
ring wire problem and allow use of ADSL on any extension. This device
is easy to fit and costs less than a tenner, or if you're a BT Total
Broadband customer you can have one for £1.20 which covers
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