Product Description Drivergenius 4Xrs232 Industrial 4 Port Usb To Serial Rs232 Adapter With Led (9 Pin, Metal) Drivergenius 4XRS232 4 Port USB to RS232 Serial DB9 Adapter - Add four RS232 serial ports to any notebook or desktop computer using a single USB port The Drivergenius 4XRS232 high-Speed 4-Port USB-to-DB9-Serial Adapter allows you to connect as many as four 9-pin serial devices to a computer or laptop with a USB Type-A port An easy and inexpensive way to add serial ports to your computer without hassle, the 4XRS232 works with any DB9 serial device configuring and sharing data among multiple modems, gPS devices, cellphones, hand-held scanners, point-of-sale systems, touch screens, medical and scientific instruments, industrial process control devices and UPS systems is a breeze Note: The Drivergenius 4XRS232 USB Serial Hub does not support devices such as serial mice that require an IRQ number or IO address APPLIcATIONS A Perfect for IT Administrators looking to add legacy functionality to newer notebooks, Pcs and servers that lack an integrated RS232 port A connect, monitor and control industrialautomotive sensors and equipment A connect bar code scanners and other point of sale devices A connect a satellite receiver, serial modem, or PDA with serial sync FEATURES A Easy way to add 4 RS-232 serial ports Simultaneously A Fully compliant with USB 11 USB 20 compatible A Supports automatic handshake mode A cOM retention: cOM Port assignments maintained across reboot A No IRQ, DMA, IO address resources required A Powered by an available USB port - no external power adapter required A OS compatibility -Windows 11 10 8 7, macOS 11, 109-15, Ubuntu 20043 LTS 4-Port USB to Serial Adapter RS232 to USB Serial to USB Adapter DB9 9 Pin to USB California Prop 65 Warning : This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information visit to the website.