This is the direct replacement cable for this protocol converter connects between Melsec FX, FX0N, FX1N, FX2N, FXOS, FX1S, A series PLC programming ports and computer serial port. 9pin Female DSub on PC side and Mini-Din type plug into the PLC. Cable length is 2.5 meter (about 8 ft). This professional made cable directly from industrial automation factory has all the exact same functions as the the original one and perfectly meets your need to communicate between PLC and PC. Only a fraction of the cost for the industrial product you want. Cable Length : 3m(9.8ft) Package include : 1 x PLC Serial Cable