[GreenKeys] Telco test set

pdwills at cedarknolltelephone.com pdwills at cedarknolltelephone.com
Fri Jul 16 13:42:27 EDT 2010


----- Original Message Follows -----
From: w8au at sssnet.com
To: GreenKeys at mailman.qth.net
Subject: Re: [GreenKeys] Telco test set
Date: Fri, 16 Jul 2010 13:20:53 -0400

> At 09:32 AM 7/16/2010, Larry Godek wrote:
> >Never know what kind of parts may be inside though and
> would  >probably be some very precision ones at that.  The
> cases are nice  >for construction projects.
> 
> Right on, Larry.  I have a couple telco test sets, even an
> HP model  that used to sell
> for $14000 about 20 years ago.  (Got it at Dayton for $100
> about ten  years ago, mainly because I used one for a long
> time in Telecom work)  This one does full range audio
> sweeps automatically and I  occasionally use it to sweep
> the bandpass of audio gear, including  xmtr modulation.
> Just extra toys to play with. :-)  Hate to junk quality
> stuff.
> 
> Perry  w8au
> 

There are plenty of folks who do maintain telephone
switching and signaling equipment as a hobby so there's a
chance that the test set will draw some interest.  (I
already have an equivalent set though.)  It doesn't have the
commercial value that it once had but, let's face it,
neither do our Teletypes.

PDW


> .......................
> previous message:
> >......................................................
> >It is a telephone voice circuit test box, usable either a
> 48VDC dialing loop >or with 2600 cps signalling tone on
> carrier circuits (multiplex) >Used mainly at Central
> Office or Toll Test centers. >With today's digital
> signalling it is no longer used.  About all >it has going
> for it is as an audio tone generator. >Perry   w8au
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