I see you have got an engineer with you. Fingers crossed.
I did indeed, but adsl has been off for most of the day.
1) Yesterdays issue was a failure on BTs part to contact me when they should have... from what I can piece together via PN and todays engineer:-
Engineer allocated my fault was stuck on another job and knew he wouldnt be able to make my appt so he contacted where-ever so my job could be re-allocated back into the pool for someone else to pick up. Unfortunately no-one else was available to pick up my fault. At this point someone from BT is supposed to contact me to rebook the appt. Someone from BT tried to call but only let it ring twice and marked as 'EU unavailable'.
PN are to give feedback to BT about the system and that someone should have tried harder than 2 rings to contact me.
However it was allocated to todays pool where the same engineer that was scheduled from yesterday picked it up this morning.
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2) Short version
Bit shocked to answer the door the morning to see a BToR.. anyhow he attempted to do some tests.. messed around with his JDSU several times.. muttered something about it failing on practically everything.. and says he's off to do some tests at the cab. Comes back and says hes going to replace everything. Goes away and comes back later this afternoon. New pair, new d-side and re-crimped every joint between my home and the cab.
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Although he's given me the best available spare pair, in some respects its perhaps not quite as good for DSL as my old one... but tbh I am so sick and tired of this now that stability and a voice line that works has become my priority. Id rather have a line that is decent _all_ of the time rather than one that is all over the place.
Before:
Max attainable:103172 37187
Sync 79999 20000
SNRM 12dB 18dB
After:
Max attainable: 98148 31752
Sync 79999 20000
SNRM 11dB 12.5dB
The engineer noticed these differences.. and actually offered to try another pair - but it was getting late.. and hes given me his number so I can contact him if need be and ask for him to be re-allocated since he knows what hes done and what he hasnt.
However... I noticed this
Previous power was 14.3dBm / 6.8dBm New is 14.3dBm/4.7dBm
My line of thinking atm is that Power has gone down.. therefore that will affect the SNRm etc.
Based on adsl2+ theory.... Power is under control of the DSLAM/Router... and if it needs more juice then it should ask for it.
So for some reason the DSLAM has decided I dont need as much upstream power on the new pair which will account for the lower upstream figures... and as such I dont need to worry, because if in future I need it.. then it should give it. Thoughts?