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From: trb@drutx.UUCP (BuckleyTR)
Newsgroups: net.micro.mac
Subject: Pin connections, RS232 modem to Mac modem connector
Message-ID: <1757@drutx.UUCP>
Date: Sat, 12-Jan-85 19:00:54 EST
Article-I.D.: drutx.1757
Posted: Sat Jan 12 19:00:54 1985
Date-Received: Sun, 13-Jan-85 08:48:10 EST
Organization: AT&T Information Systems Laboratories, Denver
Lines: 33


Here's how to connect a modem to the modem connector
on back of the mac:

 MAC CONN.                    RS-232 CONN
----------                    -----------

 GND 1

 +5V 2

 GRD 3 <----------------------> 7  GRD

TXD+ 4 -----------------------> 2  TXD

TXD- 5

+12V 6 -----------------------> 20 DTR

  CD 7 <----------------------- 8  CD

RXD+ 8 <----------------------- 3  RXD

RXD- 9

These 9-pin and 25-pin connectors should be available at any
of our FINE Radio Shack stores nationwide.

Tom Buckley
AT&T Information Systems
(303) 538-3442
ihnp4!drutx!trb