Connects any serial device with RJ45 female port to your computer USB 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 data transfer rates up to 250 Kbps with full duplex capabilities, remote wake-up and power management. Utilizes FTDI chipset. Double shielding reduces crosstalk and EMI/RFI line noise. Works with older and new Cisco models. Compatible with Windows 98, 98SE, ME, 2000, XP, Vista, 7, 8/8.1, 10 & Mac OS X.