Availble 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 |