Hi Tony
Most ISPs in the UK use BT Voyager modems (Rebadged) so there should not be any problems if it is connected to the LAN port, as all the software to connect to the Internet is in the modem. (As are your username and password you use to connect to Internet)
If it is a USB modem then you will need to connect the Tyros into the LAN port of you computer using a crossover cable to gain access to the modem.
Hope this helps
Bill
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