D-Link DPH-400S(SE) Quick Install Guide
Connecting to the Network and a PC
Follow the figure below to connect the ports on the phone to different
devices.
If your Ethernet switch supports PoE(Power over Ethernet), the
DPH-400SE IP phone can be powered thru the LAN port. A power
adapter is not required.
Handset
Ethernet
Ethernet Cable
Ethernet Cable
Installation