Connects any serial device with RJ45 female port to your computer USB-C port. Supports all Cisco RS232 serial devices such as modem, router, firewall, switch, and other serial-based Cisco device with a console port. It provides fast data transfer rates with full duplex capabilities, remote wake-up and power management. Utilizes FTDI chipset and works with older and new Cisco models. Double shielding reduces crosstalk and EMI/RFI line noise. Compatible with Windows 98, 98SE, ME, 2000, XP, Vista, 7, 8/8.1, 10 & Mac OS X. When 2 or more UR-2000M2-RC are used, Windows will dynamically assign available COM RS232 port. Works with Windows 98, 98SE, ME, 2000, XP, Vista, 7, 8/8.1, 10, 11, Mac OS X, Linux and Android. (Connectors: USB-C Male to DTE RJ45 Male; Length: 6ft)