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Old 25th May 2020, 10:10 pm   #13
Pellseinydd
Heptode
 
Join Date: Jul 2007
Location: Flintshire, UK.
Posts: 707
Default Re: HES2 House Exchange System

Quote:
Originally Posted by Dave Moll View Post
Quote:
Originally Posted by OscarFoxtrot View Post
See https://www.britishtelephones.com/er...etin/11_15.htm for the jack/junction box wiring.
Thanks. I'll have a read through of that to see whether there is anything different from how I currently have things wired.

Quote:
Originally Posted by OscarFoxtrot View Post
For the extension-extension on overpress, there's a circuit whereby if the called extension is engaged on an exchange line, the buzzer at the calling station will operate to give an engaged signal.
That doesn't work either on my current setup.
Dave,
Have you got Atkinson's 'Telephony' Volume One? There are some good clear circuit diagrams of telephones and Transfer Unit all wired up on same diagram which might make the operation clearer?

IJ
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