The following is a way to have fixed names in /dev for the devices.
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2. tty consoles are managed by systemd in Red Hat Enterprise Linux 7 OS. The following commands will give me list of ttyUSB device names that are associated with 19d2:0016 (which is the 'modem mode' id of a ZTE MF831 LTE stick, yours may differ. Linux list usb devices tty If you aren't sure which device it is, you can check the list of devices in /dev/ before and after plugging it in to see which one is new.
