Pinouts >  RS-232 and other serial ports and interfaces  >  Apple pinouts
It?s possible to connect RS-232 peripheral to the RS-422 port available on Macintosh computers. Use RXD- as RXD, TXD- as TXD, Ground RXD+, Leave TXD+ unconnected, GPi as CD.
Pin Name Dir Description
1 HSKo --> Output Handshake
2 HSKi/CLK <-- Input Handshake or External Clock
3 TXD- --> Transmit Data (-)
4 GND --- Ground
5 RXD- <-- Receive Data (-)
6 TXD+ --> Transmit Data (+)
7 GPi <-- General Purpose Input
8 RXD+ <-- Receive Data (+)
There are no any reports for this pinout! You may rate this document by clicking the button below.

Is this pinout
Source(s) of this and additional information: comp.sys.mac.comm FAQ Part 1, Apple Tech Info Library, Article ID: TECHINFO-0001699, from Hardware Book, Pierre Olivier, Ben Harris, Nathan Schmidt
Copyright © 2000-2019 by pinouts.ru team, except user uploaded images.
No portion of this webpage may be reproduced in any form without visible link to Old.Pinouts.ru .
Efforts have been made to ensure this page is correct, but it is the responsibility of the user to verify the data is correct for their application.