Keyboard AT
(At the computer)
5 PIN DIN 180° (DIN41524) FEMALE at the computer.
| Pin | Name | Description | Technical |
|---|---|---|---|
| 1 | CLOCK | Clock | CLK/CTS, Open-collector |
| 2 | DATA | Data | RxD/TxD/RTS, Open-collector |
| 3 | n/c | Not connected | Reset on some very old keyboards. |
| 4 | GND | Ground | |
| 5 | VCC | +5 VDC |
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