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Apple LaserWriter Serial

25 PIN D-SUB CONNECTOR

Pin Name Dir Description
1 GND --- Ground
2 TXD- --> Transmit Data
3 RXD- <-- Receive Data
4 RTS --> Request To Send
5 CTS <-- Clear To Send
6 DSR <-- Data Set Ready
7 GND --- Ground
8 DCD --> Data Carrier Detect
20 DTR- --> Data Terminal Ready
22 RING <-- ?

Note: Direction is Printer relative Computer.

Contributor: Joakim Ögren
Source: Technote HW19: Pinouts at Apple Technical Notes

Copyright © The Hardware Book Team 1996-2004.
May be copied and redistributed, partially or in whole, as appropriate.
Document last modified: 2002-01-10