In Some applications, a networked device can be placed at a distance connected to an Ethernet cable. It would be really beneficial if the Ethernet cable can be used for data and for power. You actually can do that. This is called "Power over Ethernet", PoE for short.
A .NET Micro Framework device like Embedded Master and ChipworkX can easily be power and networked using the same cable.
Great to see how easy it is to set-up power over ethernet.