Cisco - Network cable - RJ-45 (M) to DB-9 (F) - 6 ft. The Cisco RJ-45 to DB9F Console Cable, also known as a Management Cable, is designed to connect a computer terminal to the console port of a router for configuration. Originally shipped with and compatible with Cisco 600, 800, 1600, and 1700 Series Routers, this 6-foot VGA to ethernet cable has a light blue color and a flat design to help distinguish it from other network cables.