D-Link DSM-750 - MediaLounge High-Definition Draft N Media Player User Manual page 93

Section  - Configuration
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 OK.
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 OK.
Click Next
D-Link DSM-750 User Manual
Advanced Setup