[GreenKeys] 2500-series phone question

[Paul Wills]

The SC 500 is posted on the Telephone Collectors International Library site 
at:

http://www.telephonecollectors.org/library/index.htm

I don't have the 2500 specifically but there might be enough to figure it 
out.

PDW


----- Original Message ----- 
From: "Christian R. Fandt" <cfandt at netsync.net>
To: "Greenkeys List" <greenkeys at mailman.qth.net>
Sent: Saturday, May 12, 2007 4:03 PM
Subject: [GreenKeys] 2500-series phone question


>I know it isn't really TTY-related, but I know there's a bunch of ex-TELCO 
>folks on here.
>
> I'm looking for a wiring diagram of a Stromberg-Carlson deskset, model 
> SC-2500D built around May 1970. I have one which has been fiddled with 
> such that a couple of the connections on the internal network are 
> disconnected. Can hear dial tone but no dialing tones are generated onto 
> the line. The network module # is: S-C 245E. Somebody had disconnected 
> connections for some reason and left them dangling before I got it. I 
> don't know whether the remaining connections still screwed down are 
> correct or not.
>
> I doubt if it is a party line-type with a specific ring filter network as 
> it came out of an office environment over ten years ago as part of a 
> leased line modem setup for my ex-company's old computer system. It's a 
> single-line 2500-series black deskset, nothing special as far as I know. 
> It should be noted that Line 2 had been connected internally but the black 
> lead is one of the dangling leads while the yellow was attached. Line 1 
> T&R 'should' be okay as I hear dial tone.
>
> I want to reconnect everything so it can be used on our regular house line 
> during power failures. We find those wonderful wireless handsets are 
> absolutely useless when the power is out ):-/
>
> Is there an online repository for diagrams and such TELCO-related data 
> such as this? Google didn't help me much today.
>
> Thanks in advance!
>
> Regards,  Chris F.
>
> NNNN
>
> Christian Fandt,    Electronic/Electrical Historian
> Jamestown, NY  USA      cfandt at netsync.net
>         Member of Antique Wireless Association
>         URL: http://www.antiquewireless.org/
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