# Apple ImageWriter Serial

25 PIN D-SUB CONNECTOR

Pin | Name | Dir | Description
--- | --- | --- | ---
1 | GND |  | Ground
2 | SD |  | Send Data
3 | RD |  | Receive Data
4 | RTS |  | Request To Send
7 | GND |  | Ground
14 | FAULT- |  | False when deselected
20 | DTR |  | Data Terminal Ready

Note: Direction is Printer relative Computer.

Contributor: Joakim Ögren

Source:
Technote HW19: Pinouts at Apple Technical Notes

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May be copied and redistributed, partially or in whole, as appropriate.
Document last modified: 2001-06-08