Well house wiring is not helping - read up on disconnecting the ring wire, orange wire on pin 3

The attenuation dropping a little - which suggests perhaps very poor quality (bell wire) has been used rather than proper phone cabling.

the 2 to 3 meg you are aiming for is impossible at 70dB attenuation pretty much. I would be chasing for a set of stats from the property that claims the much higher speeds.

In reply to a post by Anonymous:

In reply to a post by john2007:

Did you get the stats from the test socket (within modern BT master sockets)?

That was from a standard socket. The Openreach engineer said with modern wiring that isn't star layout it doesn't matter. I shall go and retest with the master test socket behind the faceplate.

Just come back from helping another neighbour, also on sky bb, to get going. He was connected this morning and his upstream connection is only 160k!

The ring wire always matters unless you have a filtered faceplate, which I assume you haven't. (Two sockets in it, one phone and one ADSL).

What colours are the wires connected to each numbered terminal on the back of the faceplate?

We have a blue a blue and white and an orange. Orange in terminal 3 being the bellwire I presume.
Faceplate presently off and extensions all inactive. Router plugged into filter into test socket so doesn't this avoid any local naff wiring and bell wire problems, leaving the slow speed down to the copper outside?

Yes.

The wiring colours suggest decent cabling (CAT5) has been used, and you can safely remove the orange from T3. be careful not to disturb the others.

Make sure no exposed bit of the orange is going to touch anything important when you replace the faceplate, but it is best not to cut it off.

In reply to a post by RobertoS:

The wiring colours suggest decent cabling (CAT5) has been used, and you can safely remove the orange from T3. be careful not to disturb the others.

Make sure no exposed bit of the orange is going to touch anything important when you replace the faceplate, but it is best not to cut it off.

When the orange wire is disconnected and the filter plugged into the front socket rather than the test socket the stats are as follows:

Connection Speed
1009 kbps down
645 kbps up

Line Attenuation
70.5 dB down
45.7 dB up

Noise Margin
7.6 dB down
7.4 dB up

That is more than a10% loss of performance down to the house wiring on what is already a poor connection for our distance to exchange.

Suggestions for what to try next please?

Is the house wiring proper twisted pair cable? If not then changing that to CW1308 spec cable or CAT5 would help.

Another option is an ADSL faceplate to filter the ADSL from the voice side at the entry point into the property.

I can see that improving the house cabling would reduce the amount of downstream connection speed loss compared with when plugged into the test socket but is there anything I can do about the 1.1Mb speed compared to the 3-5Mb I was predicted when the house wiring is bypassed please? Should I call sky and ask them to get an engineer to check?

In reply to a post by Anonymous:

That is more than a10% loss of performance down to the house wiring on what is already a poor connection for our distance to exchange.

No, it's a 300% gain from the front socket by just removing the bell wire.

What are the stats now from the test socket? Best to do any re-connections in daytime.

IMHO, you'll never get 3-5 Meg from that attn.

Edited by XRaySpeX (Fri 01-Apr-11 14:28:16)

In reply to a post by XRaySpeX:

IMHO, you'll never get 3-5 Meg from that attn.

1.0Mb from front socket
1.1Mb from test socket
2 doors up has 5Mb according to Openreach engineer
3 doors down has 3.5Mb accoring to house owner

Can this be fixed?

In reply to a post by Anonymous:

Can this be fixed?

You'll never know unless you can get your neighbours' stats, esp their attenuations. It's possible they're on a diff exchange, or even cable run.