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

John Edwards john at cornerstonelinux.co.uk
Sun Nov 7 16:10:22 UTC 2010


On Sun, Nov 07, 2010 at 03:44:59PM +0000, Christopher Hunter wrote:
<snip> 
> It really DOES matter.  If you exceed a REN of 4, you will get strange
> things happening, and BT will charge you money to tell you that you're
> overloading their ringing circuit!

Hi

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

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

Would the ADSL filters prevent any interference? 


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