Hardware pinouts information and cables schemes

Apple Macintosh RS-422 pinout

serial interface

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8 pin mini-DIN female connector layout
8 pin mini-DIN female connector
at the computer

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
1HSKo-->Output Handshake
2HSKi/CLK<--Input Handshake or External Clock
3TXD--->Transmit Data (-)
4GND---Ground
5RXD-<--Receive Data (-)
6TXD+-->Transmit Data (+)
7GPi<--General Purpose Input
8RXD+<--Receive Data (+)
Note: Direction is DTE (Computer) relative DCE (Modem).

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Pinouts.ru > RS-232 and other serial ports and interfaces pinouts listing > Pinout of Apple Macintosh RS-422 and layout of 8 pin mini-DIN female connector
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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
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Last updated 2008-06-28 21:56:54. Edit this page. Is this document correct or incorrect? What is your opinion?
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