Path: utzoo!utgpu!news-server.csri.toronto.edu!mailrus!accuvax.nwu.edu!nucsrl!telecom-request
From: jcox@x102a.harris-atd.com (Jamie Cox)
Newsgroups: comp.dcom.telecom
Subject: Help a Model 500 Ring
Message-ID: <11346@accuvax.nwu.edu>
Date: 25 Aug 90 22:17:23 GMT
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Reply-To: jcox@x102a.ess.harris.com (Jamie Cox)
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X-Telecom-Digest: Volume 10, Issue 596, Message 3 of 8


This seems like an easy question for comp.dcom.telecom:  
 
I have an old desk top dial phone which works but does not ring.  I
would like it to ring.  It is a model 500.  The wires from the ringer
solenoid have been disconnected.  Where should they go?  I have the
original connections written down and tried that, but it still didn't
ring.
 
The ringer solenoid has four wires, red, white, red/white and black
(or maybe it used to be green, it's hard to tell:-)).  I have measured
the resistance among these and its like this:
 
           Red        R/W     Blk        White
            |          |       |          |
            \/\/\/\/\/\/       \/\/\/\/\/\/
             ~ 3k ohms          ~ 1k ohms
 
There was no connection between the two sides of the above diagram.
Question number 1: Is the ringer solenoid broken?
 
Question number 2: Please post or email information about likely
wiring diagrams.  The network is labeled with letters: GN, B, R, RR,
F, K, G, L1, L2, A.  Apparently some phones use numbers instead, and I
already have a diagram for such a phone which doesn't help much.
 
I have seen several different connection patterns in similar phones
and have tried them on this phone, but still no ring.  Wow, there are
a lot of (apparently valid) ways to hook up a ringer. The phone in
question is known to have rung when in service about seven years ago.
It was on a different exchange, and I remember it had a distinctive
ring back when called, and perhaps an unusual audible ring from the
instrument.  It may have been on a party line at one time.
 
Thank you.


Jamie Cox  jcox@mlb.ess.harris.com  | Phone:    (407)-727-6397 (work) 
Harris Government Aerospace Systems,|           (407)-723-7935 (home)
MS 19/4827, P.O. Box 94000,         |  
Melbourne, Florida  USA             |