Comprehensive's Cisco Console Management Cable RJ45 Male to DB9 Female connects your computer's serial port to the RJ45 console port on your Cisco router!Comprehensive's Cisco Console Management Cable RJ45 Male to DB9 Female is used for a console connection between a PC and Cisco devices. Comprehensive's Cisco Console Management Cable is the same cable that ships with Cisco switches, firewalls, routers, wireless devices, etc. and compatible with new and older Cisco devices. The Cisco Console Management Cable RJ45 Male to DB9 Female is the latest one piece cable that replaces the old style "console kit" (rollover cable & adaptor).This Cisco Console Management Cable RJ45 Male to DB9 Female is perfect for Cisco Switches, Cisco Routers and anywhere in between. 3 Year Hassle Free Warranty.Note: This cable is compatible with most Cisco equipment with an RJ45 style console port. If your equipment has a DB25 console port you will need the 4 piece console kit.