Output Power of 0.0 dBm is bad, right?

Hi there
Up until yesterday I had a great connection, syncing at about 14400Kb and could download at about 2MB/s quite happily.
Then something went wrong. Performance has become really, really bad and seems unstable. My Netgear router really didn't like it and started locking up so I've gone back to my Homehub2.
That seems to stay connected ok. And it also syncs at a similar speed. Profile is about 13000 Kbps.
But download speeds are completely trashed on that too. I'm getting less than 0.5Megabits/s from speedtest.net and speedtester.bt.com reported 77 kb/s!
After a pointless 30 minutes on the phone with BT Total Broadband support I had another look at the stats on the homehub Settings and something that stands out is the Output Power is 0.0dB - that can't be right can it? Does that indicate a fault on the DSLAM my line is connected to?
Rest of the stats are;
and the firmware is version 8.1.H.J (Type A) if that's relevant.

stats from the btspeedteater result your profile is ok for your connection speed but your throughput/download is very low.
check thetr is not an exchange problem  http://usertools.plus.net/exchanges/mso.php
http://usertools.plus.net/exchanges/?
http://btbusiness.custhelp.com/app/service_status
if looks ok then contact the mods for assistance  http://bt.custhelp.com/app/contact_email/c/4951
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  • Does anyone understand output power?

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