# Apple LaserWriter AppleTalk

9 PIN D-SUB CONNECTOR

Pin | Name | Dir | Description
--- | --- | --- | ---
1 | GND |  | Ground
2 | n/c |  | Not connected
3 | GND |  | Ground
4 | TXD+ |  | Transmit Data +
5 | TXD- |  | Transmit Data -
6 | n/c |  | Not connected
7 | RXCLK |  | TRxC of Zilog 8530
8 | RXD+ |  | Receive Data +
9 | RXD- |  | Receive Data -

Note: Direction is Printer relative Computer.

Contributor: Joakim Ögren

Source:
Technote HW19: Pinouts at Apple Technical Notes

Copyright © The Hardware Book Team 1996-2001.
May be copied and redistributed, partially or in whole, as appropriate.
Document last modified: 2001-06-08