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Old 18th Sep 2017, 11:58 pm   #18
Oldcodger
Nonode
 
Join Date: Oct 2014
Location: West Midlands, UK.
Posts: 2,181
Default Re: REN, Resistors &c.

Quote:
Originally Posted by russell_w_b View Post
Quote:
Originally Posted by Oldcodger View Post
Simple solution to the low bell situation is to fit a BT socket as used on systems . Don't know the type/part no...
A REN extender? I have a BT one of those: RS used to sell them years ago. They take a 75V 25Hz signal and regenerate it, rather than supply a 25Hz ringing current from d.c. but yes...

An external mains supply is needed, of course.

http://uk.rs-online.com/web/p/teleph...ories/2079519/
Just noticed the reply. Not an extender( convertor ringing xx )as such- but a normal looking large size socket, with ringing circuitry inside , powered by 50 v DC from a BT system .
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