URBEST 2 Meters RS232 DB9 9 Pin Female to USB 2.0 PLC Serial Straight-through Cable for Vigor VB VH Product Name : Serial Straight-through Cable;For : Vigor VH VB Series; Connect Directly ,No Converting Chip Inside. Connector Type : USB 2.0 to RS232 DB9 9 Pin Female;Cable Length : 2m / 6.6Ft Material (external) : Plastic;Color : Black; Net Weight : 80g The RS232 DB9 9 Pin Female to USB 2.0 cable needs to be used with a RS232 Male to USB cable, and the RS232 Male to USB cable needs to be with a driver( RS232 Male to USB cable is not included ). Package Content : 1 x PLC Programming Cable (Non-OEM)