RS232 DB9 9 Pin Female to USB 2.0 Straight Serial Cable
1 x 1.8m RS232 DB9 9 Pin Female to USB 2.0 A Male PLC Serial Cable for Vigor VB VH. Connector B: DB9 9Pin Female. Connector A: USB 2.0 A Male. Connect a RS-232 serial device such as a modem to a usb port on your computer.