Re: Need help with PLC noise problems in a Manhattan (New York City) apartment

[nobody@xxxxxxxxxxxx (Dave Houston)]

ddl@danlan.*com (Dan Lanciani) wrote:

>It's tricky to say without really knowing what's going on.  If he is dealing
>with fixed-threshold receivers and if the noise is above the threshold then
>there is no choice but to reduce the noise(*), even if it is at the expense
>of valid signals.  It's one of those communications problems where the best
>you can do is attenuate everything and increase the real signal to compensate.
>Without some kind of AGC or automatic threshold adjustment in the receivers,
>merely improving the signal to noise ratio doesn't help:  the absolute noise
>level is what matters.

Alan has told us that the 6285s block signals from either panel reaching the
other panel. Given that and your description of the 6285 internals I think
he's dealing with a noise source that's internal to the apartment.