Connect the USB cable to your PC and the router’s mini-USB console port. Device Manager on your PC. Look under Ports (COM & LPT) . You should see an entry named Cisco Serial (COMx) where "x" is the assigned port number.
To ensure security and compatibility, it is recommended to download drivers directly from the source. Cisco-usbconsole-driver-3-1.zip
Should output: /dev/cu.usbserial-Cisc001 Connect the USB cable to your PC and
: Once the driver is installed, use a program like PuTTY to connect. Typical serial settings for Cisco devices are: Speed (Baud) : 9600 Data bits : 8 Stop bits : 1 Parity : None Flow control : None. Cisco-usbconsole-driver-3-1.zip