Pay Attention: !!NOT ETHERNET!! It is USB 2.0 to RJ45 console cable for connecting your computer or laptop's USB port to your Cisco modem, router, firewall, switch or other serial-based Cisco device with console port. Widely Compatibility : USB console cable fully compatible with Windows (including Windows XP, Vista, 7, 8, 10, and 11), Mac OS, and Linux systems. Plug and play on Windows 8/10/11 and Mac OS without the need for additional drivers. High Quality:USB to rj45 console cable interface is equipped with thick gold-plated contacts to enhance oxidation resistance and durability, ensuring stable signal transmission even after long-term use.