TRS-80 Model 100: Phone port pinout

From: Dave Dunfield <dave04a_at_dunfield.com>
Date: Fri Feb 4 15:44:01 2005

At 14:53 04/02/2005 -0500, you wrote:
>Does anybody have a pinout for the phone port on a TRS-80 Model 100?
>
>Thanks,
>Tom

>From page 207 of user manual:

         8 U 7
        3 6 1
         5 2 4

  1 TL Conventional Telephone Unit
  2 GND Logic Ground
  3 RxMD Direct connection to TEL line (RING)
  4 RxMC Accoustic coupler connection (MIC)
  5 TxMC Accpustic coupler connection (Speaker)
  6 VDD - No description bit it should be easy to figure out -
  7 TxMD Direct connection to TEL line (TIP)
  8 RP Ringing Paluse (as spelled in manual)

All of the connectors and sockets are shown - you can download
the manual from my site.

Regards,

-- 
dave04a (at)    Dave Dunfield
dunfield (dot)  Firmware development services & tools: www.dunfield.com
com             Collector of vintage computing equipment:
                http://www.parse.com/~ddunfield/museum/index.html

Received on Fri Feb 04 2005 - 15:44:01 GMT