EXFO FTB-500 (Window XP) - Manual (Page 110)

Working with Your Unit
100 FTB-500
Accessing the Internet with a 3G USB Modem Key
4. Follow the on-screen instructions.
You will know that the installation is complete when the AirCard
Watcher application starts.
5. Close the AirCard Watcher application.
6. Disconnect the USB modem key from your unit.
7. Reconnect the USB modem key to your unit so that it can be detected
properly.
All users are now ready to start working with the USB modem key as
explained hereafter.
To work with a 3G USB modem key:
1. If necessary, turn on your unit and wait for the startup sequence to
complete.
2. If necessary, insert the SIM card into the USB modem key. For more
information, refer to the documentation that came with your modem
key.
3. If necessary, connect the USB modem key to one of the USB ports of
your unit.
I
MPORTANT
Always turn your unit on before connecting the USB modem key to
it. Otherwise, the USB modem may not be detected properly.