Cisco RJ45 to RJ45 rollover console cable.
This cable is an exact replacement for the Cisco original RJ45 to RJ45 rollover console cable. The cable connects to the baby blue “Console” port found on Cisco devices. Acessing the console allows you to view the command line interface by using terminal emulation software. Most folks use the standard Windows Hyperterminal or some other terminal emulation software to access the Cisco IOS through the console port.