IO Crest USB 2.0 to RJ45 (RS232) Cisco Console Cable FTDI 1.8M - 5.91 ft RJ-45/USB Data Transfer Cable for Computer, PC, MAC, Router, Switch, Wireless Router - First End: 1 x RJ-45 Male Serial - Second End: 1 x Type A Male USB - 1 Pack
This USB to RJ45(RS232) Cable allows you to connect to most networking gear with modern hardware(i.e. Cisco) without the need of adapters.