Pin connections, RS232 modem to Mac modem connector

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1 total messages Started by BuckleyTR Sun, 13 Jan 1985 00:00

#323

Author: BuckleyTR
Date: Sun, 13 Jan 1985 00:00

32 lines
1149 bytes

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

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