Subj : Re: barbed wire telephony - USA standards
To   : k9zw
From : poindexter FORTRAN
Date : Fri Jun 10 2022 08:12:00

-=> k9zw wrote to paulie420 <=-

 k9> https://www.sandman.com/knowledgebase/ring-voltage-tech-bulletin

 k9> 48vac 20hz, doubled when ringing, dropping to about 9vac 20hz at
 k9> connect.

MIKE SANDMAN!

There's a name from my past. I was a telecom manager in a former life, his 
catalog was my version of thinkgeek.com.


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