Back home now so I've fitted my I-Plate as I'm not allowed to disconnect ring wire. Haven't tried the test socket yet but may do next.
What I'd like to ask is should I expect an immediate change to my sync speed? I ask this because nothing has changed as of yet. Should I ring Sky to ask them to start line training again?
Rightio. You should just about get the full sync of 20Mbps, perhaps even 22Mbps if DLM is kind enough to set a 3db noise margin (which it sometimes does).
Obviously for one reason or another DLM has capped your line at this slower speed.
Can you post up statistics using the TEST socket. Also there's nothing better than disconnecting the ring main. Even the i-plate isn't as good IMO! Just rip it out (the ring main)
With regard to the statistics. DLM sets a physical cap on the line so there isn't likely to be any immediate improvement.
I would expect the SNR to be higher in the test socket. This may not occur though as sky often adjust the output power to offset any increase in noise margin.
If you disconnect the ring main etc or stay in the test socket, after a long period of no disconnections DLM would probably decide to rerun. This is only if the lines actually improved.
The easiest way is to sort out the wiring and then give sky a call. They can re-run DLM. Obviously only do this once everythings perfect at your end
Also your current noise margin is not high. This isn't a worry as it's probably down to sky reducing the output power and probably doesn't indicate that the line can't go faster.
Edited by ukhardy07 (Wed 22-Aug-12 02:44:00)