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4 pin HP48 calculator proprietary connector layout
4 pin HP48 calculator proprietary connector
at the calculator
Pin Name Dir Description
1 - - -
2 TXD OUT Transmit Data
3 RXD IN Receive Data
4 GND - Ground
 
Pinout status: +2 -0
According to 2 reports in our database (2 positive and 0 negative) the HP48/HP95 calculator pinout should be correct.

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