on 9/27/01 11:33 AM, Victor Rehorst at victor_at_newtontalk.net wrote:
> On Thu, 27 Sep 2001, Marco Mailand wrote:
>
>>> Exactly right. Just the opposite of the "fax machine as printer"
>>> trick.
>> What I miss only therefore is a sort of level converter box which would
>> eliminate the need to use an official phone exchange if one doesn't have
>> a private phone distribution. A small box which provides phone routing
>> w/o the need of dialling (and paying of course :-) and the 48V of the
>> normal phone exchanges.
>
> 48V? If all you need is to power a line... I once set up a crude theatre
> intercom system using old phones, a spool of 4-line phone wire, and six
> "D" cell batteries. That was 7.2V, and there were lines of over 200ft.
> No problem. You don't need routing if it's only your modem and your fax
> machine on the line... you just need to insert some power.
Maybe a dumb question, but how actually do you insert some power?
-Laurent.
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