CS1W-CIF31 USB-Serial Conversion Cable The CS1W-CIF31 USB-Serial Conversion Cable connects CS/CJ/CP Series, C Series, CVM1/CV Series of OMRON PLC (Programmable Controller) or PT (Programmable Terminal) to a personal computer's USB port. Specification USB interface rating Conforms to USB Specification 2.0 DTE speed 115.2 kbps Connector specifications Computer end USB (type A plug, male) PLC end or PT end RS-232C (D-sub 9-pin, male) Power supply Bus power (5 VDC power from