"michael adams" wrote in message
o.uk...

"Andy Burns" wrote in message
...
michael adams wrote:

It would appear a faulty* ADSL filter on the master socket can
knock out everything at a stroke. how it developed a fault having sat in
the same
place totally unmolested for years is another matter.

Lightning nearby?

No recent lightening so far as I know. But thanks for the hint.

As according to some sources at least, apparently ADSL filters can be
very sensitive to spikes in the voltage coming down the telephone line.

No they arent, they are entirely passive devices.

So there may have been gradual deterioration before the actual failure.

You don’t see that either. If you did, the modem synch
rate would gradually degrade over time, and it doesn’t.