

To determine the COM port used by the adapter, please see Part 3 Step 4. Note: If using a USB-to-DB9 adapter to connect to the COM port, you may be required to install a driver for the adapter provided by the manufacturer of your computer. USB-to-DB9 adapters can be purchased at any computer electronics store. A USB-to-DB9 adapter can be used with the rollover console cable for console connection between the computer and a Cisco device. Note: Serial COM ports are no longer available on most computers. Connect the other cable end to the serial COM port on the computer.Connect the rollover console cable to the RJ-45 console port of the switch.

Step 1: Connect a Cisco switch and computer using a rollover console cable. This connection will allow you to access the CLI and display settings or configure the switch. You will connect a PC to a Cisco switch using a rollover console cable.
