GoTo ConnectorCONNECTORGoTo Main

Macintosh RS-422

It's possible to connect RS-232 peipheral to the RS-422 port availble on Macintosh computers. Use RXD- as RXD, TXD- as TXD, Ground RXD+, Leave TXD+ unconnected, GPi as CD.

8 PIN DIN (DIN45326) FEMALE (At the computer)

8 PIN DIN (DIN45326) FEMALE at the computer.

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 n/c - No connection
8 RXD+ <-- Receive Data (+)
Note: Direction is DTE (Computer) relative DCE (Modem).
Contributor: Joakim Ögren
Source: comp.sys.mac.comm FAQ Part 1
Please send any comments to Joakim Ögren.