USB 2.0 to RS232 Female DB9 Serial Cable: Connect your computer's USB port to your RS232 DB9 devices. The USB port supports a data transfer rate of 1 Mbps. Note: If your RS232 device has a female port, you will need a DB9 RS232 male-to-male converter or cable to connect between your device and the cable's RS232 port. Easy Installation, Plug and Play: Utilizes the latest PL2303 chipset, supporting Windows 11/10/8.1/8/7/Vista/XP/2000, Linux 2.4 or later, and Mac OS 10.6 and later. Simple Connection: The USB to RS232 adapter works with modems, ISDN terminal adapters, digital cameras, label printers, PDAs, cash registers, CNC, PLC controllers, tax printers, barcode scanners, label printers, and other devices with DB9 SERIAL ports. Please note: 1. Not compatible with cutting plotters. 2. Not compatible with VGA 15-pin devices. Stable Data Transfer: Tinned copper conductor and triple shielding provide optimal data transfer speed. Powered by the USB port, no external power adapter is required. Driver Installation Required: Install the included driver via the attached CD to activate this adapter cable. Connector Type: RS232, USB 2.0 Cable Type: USB Compatible Devices: Scanner, PC, Modem, Printer Color: Black Material: Plastic + Metal Package Contents: 1 x USB to RS232 Adapter 1 x CD Only the above package content is included; other products are not. Note: Light and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowed measurement error is +/- 1-3 cm.