DIY Power over Ethernet Cable

CableModemInfo.Com - Making your own power over Ethernet Cable: "Power over Ethernet is a specification that allows for your router or access point to draw its power internally from the unused pins (4/5 and 7/8) in the cable. Since many routers do not have this, we will 'hack' a RJ-45 cable and 'inject' our DC power supply into the cable, and on the far end of the RJ-45 cable, we will 'extract' the power from the RJ-45 cable before it goes into the AP or gateway. This is not true Power over Ethernet, just a rigged version to help make your life easier!"