Follow the steps below to connect a USB modem.
Power on Abilis;
Connect the modem to Abilis using the USB cable;
Connect the VDSL line cable to the modem;
Add/configure the VDSL resource;
Check the modem led status ( Abilis VDSL2).
Figure 3.10. Connecting a VDSL modem
Interesting chapters:
Section 2.14.3, “VDSL2 modem”;
Chapter 16, VDSL USB modem;
Section 83.9, “How to configure VDSL connections using USB modems”.