Tripp lite39s cisco rollover adapter can be used to convert any standard ethernet cable into a serial rollover cable the rollover adapter eliminates the need for carrying extra cables plugs into a rj45 serial console port on switches and routers and internally quotrollsquot the pins so that a straight through cat5e or cat6 patch cable can be used rj45 male to female rollover adapter pinning 1 8 2 7 3 6 4 5 5 4 6 3 7 2 8 1 allows readily available cat5ecat6 patch cables to be used