USB Console Cable USB to RJ45 Cable Essential Accesory of Cisco, NETGEAR, Ubiquity, LINKSYS, TP-Link Routers/Switches for Laptops in Windows, Mac, Linux (Blue) - Newegg.com
USB to RJ45 FTDI Console Cable - 6 Feet
Comprehensive RJ-45 to DB9 M F Cable (RJ45-DB9-CISCO)