Comuter connection

I got a K8048 but my comp got a 15 pin connection not a RS 232, so i bought a RS 232 to USB but it does nor recognise the board can you help please.

Hi this is not the correct section of the board for this post.
However the K8048 will not work with a USB to RS232 adapter.
The serial port must be native to the machine.
You also need a regulated 15 volt DC power supply or an unregulated 12 volt DC power supply