Pinouts >  Keyboard, Mouse and other input devices cables and adapters scheme
5 pin DIN female connector layout
5 pin DIN female connector
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  
 
Pinout status: +10 -0
According to 10 reports in our database (10 positive and 0 negative) the AT Keyboard (old style) PC pinout should be correct.

Is this pinout
NO DIY devices
Source(s) of this and additional information: Hardware Book
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