PLANET Gigabit IEEE802.3at High Power PoE Splitter - 5V/12V / POE-161S /

hi I want to move my wireless router which is connected to my modem and put it on this shelf and I have a long internet cable for that which should work fine but that's only for the data the problem is the power cord because the nearest power outlet is just too far from the wireless router and I'd rather not use an extension cord for that because it's not very practical so what if they turn that cable could carry data and power at the same time it would fix my problem right Ethernet cable is actually designed for that and it is called power over ethernet or Pio II but the power should somehow be injected to the cable first that means the downstream device should support POS so it can inject the power to the cable also the device upstream should be a POA device - so it can detect and use the power for example here is a purely switch and a purely access point that basically means if I con