D-Link DSM-750 - MediaLounge High-Definition Draft N Media Player User Manual page 26

Section  - Configuration
Use your remote control number keypad, or select the numbers from the
on-screen number pad, to enter your wired network's Internet gateway.
Once you have entered your Internet gateway, use your remote control to
navigate to the Next option and press OK.
Click Next
Use your remote control number keypad, or select the numbers from the
on-screen number pad, to enter your wired network's DNS server.
Once you have entered your DNS server, use your remote control to navigate
to the Next option and press Enter.
Please wait while the DSM-750 connects to your network. After connecting
successfully to the DSM-750, please skip to the "8-Digit Setup Key" section
on page 38.
Note: If you are unable to connect to your network, please check your network
connections or contact your network administrator.
Click Next
D-Link DSM-750 User Manual