TRENDnet TW100-S4W1CA User Manual page 38

2-2-2 Static IP
If the Service Provider has assigned a fixed IP address, enter the assigned
IP address subnet mask and gateway address provided. Click "yes" if are
using two or more IP addresses.
2-2-3 PPPoE (Dial-up xDSL)
If you're connecting to the Internet using a PPPoE (Dial-up xDSL) Modem
and your ISP has provided you with a Password and Username, then your
ISP uses PPPoE. Select this option, and enter the required information. If
the ISP provided a Service Name, enter it in the Service Name field.
Otherwise, leave it blank.