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8 pin RJ45 (8P8C) male connector layout
8 pin RJ45 (8P8C) male connector
at the ioLabs Buttonbox
Serial (RS-232) cable for the ioLabs USB Button box


Device 1
Pin Number
Device 1
Pin Name
Direction Device 2
Pin Number
Device 2
Pin Name
1   NC         
2   NC         
3   NC         
4   GND   5 GND   
5   Buttonbox RX ‹- 2 RS-232 RX   
6   Buttonbox TX  -› 3 RS-232 TX   
7   NC         
8   NC         


9 pin D-SUB male connector layout
9 pin D-SUB male connector
at the RS-232 connector
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ioLabs USB Buttonbox Serial Cable visual pinout:click to enlarge
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