Cisco ASA 5506W-X

Connect to the Console Port with Linux
Follow these steps to connect a Linux system USB port to the console using the built-in Linux Terminal utility.
Step 1
Open the Linux Terminal window.
Step 2
Connect the Linux USB port to the ASA.
Step 3
Enter the following commands to find the Linux USB port number:
Example:
root@usb-suse# cd /dev
root@usb-suse /dev# ls -ltr *ACM*
crw-r--r-- 1 root root 188, 0 Jan 14 18:02 ttyACM0
root@usb-suse /dev#
Step 4
Connect to the USB port with the following command followed by the ASA USB port speed
Example:
root@usb-suse /dev# screen /dev/ttyACM0 9600
Step 5
To disconnect the Linux USB console from the Terminal window, enter Ctrl-a followed by : then quit.
Cisco ASA 5506-X, ASA 5506W-X, and ASA 5506H-X Hardware Installation Guide
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Mount and Connect
Connect to the Console Port with Linux