[Gllug] OT: What is the REN of a modern powered phone?

Christopher Hunter cehunter at gb-x.org
Sun Nov 7 22:47:39 UTC 2010


On Sun, 2010-11-07 at 16:10 +0000, John Edwards wrote:

> Just a bit of idle speculation for a Sunday - would connecting
> too many REN items to a phone line cause problems with ADSL?

Theoretically, yes.

> Or is it just the ring circuit that gets messed up?

Definate "mess up".  You get a line that will ring briefly, and then
"answer itself" - it fools the exchange into seeing "phone lifted". 
> 
> Would the ADSL filters prevent any interference? 
> 
No.  Not at all.

C.



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