These are Null Modem Cables

most commonly used for computer to computer or Computer to satellite receiver or computer to some other device containing a microprocessor for programming one from the other

absolute NO software is supplied with these cables

pin 2 is connected to pin 3

pin 3 is connected to pin 2

pin 5 is connected to pin 5

pin 7 is connected to pin 8

pin 8 is connected to pin 7

other pins are unconnected

for the avoidance of doubt, see the wiring configuration in the pictures

The cables are commonly called Null Modem cables

and have two Female RS232 Connectors - One at each end of the cable

these cables are NEW and are premium quality

buyers save money when buying more than one through a discount on both the carriage for the second item and the multibuy discount