¡ï Connect serial DB 9 (9 pin) devices such as a modem to a USB port on your computer. USB port with 1Mbps data transfer rate. The define of your device'port must as same as this cable's DB9 PIN (Refer second image).
Latest Prolific PL2303 chipset: supports Windows 10 / 8.1 / 8 / 7 /Vista / XP / 2000 / Linux 2.4 or above, Mac OS X 10.6 and above.
Easy Connectivity: USB to RS232 adapter works with modems, ISDN Terminal Adapters, digital cameras, label writers, palm PCs, PDAs,cashier register, CNC, PLC controller , tax printer, POS, bar code scanner, Label printer, and devices with DB9 serial ports. NOT COMPATIBLE with Cutting Plotter, SCM.
Tinned Copper Conductor and triple shielding ensure the best data transfer rate. USB bus powered, no external power adapter required.