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From: lagasse@biomed.UUCP (Robert C. Lagasse)
Newsgroups: net.ham-radio
Subject: leased lines
Message-ID: <103@biomed.UUCP>
Date: Thu, 25-Jul-85 18:21:01 EDT
Article-I.D.: biomed.103
Posted: Thu Jul 25 18:21:01 1985
Date-Received: Sun, 28-Jul-85 08:37:46 EDT
Organization: Mass. Gen. Hosp. - Dept. Biomed. Engineering
Lines: 40


       Does anyone have any idea how much a telephone company "leased-line"
costs?  Is it so much per mile?  ( A leased line is a pair of wires from one
point such as a business or residance to another site such as a repeater
site or another building).  These are usually used with buglar alarm systems
and commercial broadcast radio "remotes" and I believe consist of nothing
more than a pair of wires from one site, to the phone company central office
, then to the other site with no switching or electronic intervention in
between.  ( Does anybody have any ideas how many junctions the installer of
such a line has to make?  I figure a minimun of three. One at the pole at
one end, one that he must call into a central ofiice to have someone make
between two big fat trunk cables, and then another at the pole at the other
end).  I believe you can put a battery of, say, 10V at one site and measure
the battery voltage at the other, minus the voltage drop due to connections
and distance.  By the way, does anyone know?:  a) the maximum allowed
voltage on a leased line  b) how many volts/mile is usually lost, and c)
maximum allowable current (do they fuse it somewhere?).
   I called the phone company and got the royal run-around.  I tried to
explain what I wanted but was told of auto-ring circuits like the taxi
phones use (how much do they charge for those/month).  As soon as I
mentioned that it would be for ham-radio remote control and also possibly
burglar alarm monitoring, I was referred to the "mobile-phone" group which
deal with mobile phone companies (probably that cellular garbage) and they
told me their lines cost $24.50/month and then an additional fee for each
minute of "air-time".  I then tried calling back the original office and
re-explained that it would be like a burglar alarm line, was then asked if
it was for voice, I was puzzled and said no, and was then told that burglar
alarm lines run ONLY to the police station and could not go between
residences.(when she asked me if it would be used for voice, it made me
wonder if they sell different kinds of lines , like, voice-quality, and not
voice-quality?? What good is a non-voice quality line anyway????) 
   I then tried to explain that all I wanted was a pair of wires from point
A to point B but then she asked, " what kind of jack do you need, an RJ-11C?"
As you can see, I could not get past the non-technical salespeople.  What is
the OFFICIAL name for this kind of line?
If there are any phone company gurus out there, H E L P!

Thank you for any and all answers.

Bob Lagasse  N 1 A L G