Macintosh Keyboard pinout

connector or cable wiring scheme

4 pin RJ11 female connector
at the computer

Pin	Name	Dir	Description
1	CGND		Chassis ground
2	KBD1	?	Keyboard clock (input to VIA)
3	KBD2	?	Serial data line
4	+5V		+5 VDC

Note: Direction is Computer relative Keyboard.

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4 pin RJ11 male connector
at the keyboard

Pinouts.ru > Input devices (keyboards, mices, joysticks) pinouts > Pinout of Macintosh Keyboard and layout of 4 pin RJ11 female connector and 4 pin RJ11 male connector	Document status:	correct
Source(s) of this and additional information: Apple Tech Info Library, Article ID: TECHINFO-0001424	2 reports
Last updated at Sat Jun 25 2005. Submit additions or corrections for this document.	Is this document correct or incorrect? What is your opinion?

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