Title: Connect to pfsense box console by usb
       Author: Solène
       Date: 10 April 2017
       Tags: unix networking openbsd70 openbsd
       Description: 
       
       Hello,
       
       I have a pfsense appliance (Netgate 2440) with a usb console port,
       while it used to be a serial port, now devices seems to have a usb
       one. If you plug an usb wire from an openbsd box to it, you woull see
       this in your **dmesg**
       
           uslcom0 at uhub0 port 5 configuration 1 interface 0 "Silicon Labs
       CP2104 USB to UART Bridge Controller" rev 2.00/1.00 addr 7
           ucom0 at uslcom0 portno 0
       
       To connect to it from OpenBSD, use the following command:
       
           # cu -l /dev/cuaU0 -s 115200