# Macintosh Keyboard

Available on Macintosh Mac Plus and earlier.

(at the Computer)
(at the Keyboard)

RJ11 FEMALE CONNECTOR at the Computer.
RJ11 MALE CONNECTOR at the Keyboard.

Pin | Name | Dir | Description
--- | --- | --- | ---
1 | CGND |  | Chassis ground
2 | KBD1 | ? | Keyboard clock
3 | KBD2 | ? | Keyboard data
4 | +5V |  | +5 VDC

Note: Direction is Computer relative Keyboard.

Contributor: | Ben Harris

Source: | Apple Tech Info Library, Article ID: TECHINFO-0001424

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Document last modified: 2002-01-10