Configure Your Network Settings Manually - D-Link DSM-750 - MediaLounge High-Definition Draft N Media Player User Manual

Section  - Configuration
Note: Skip this section if DHCP is enabled on your network.
Use your remote control number keypad, or select the numbers from the on
screen number pad, to enter your wireless network's IP address.
Once you have entered your IP address, use your remote control to navigate
to the Next option and press Enter.
Click Next
Use your remote control number keypad, or select the numbers from the on
screen number pad, to enter your wireless network's Subnet mask.
Once you have entered your Subnet mask, use your remote control to navigate
to the Next option and press Enter.
Click Next
D-Link DSM-750 User Manual

Configure Your Network Settings Manually