I'm going to be mounting some IP cameras on brick walls soon, probably these. They will be powered by PoE so there is only one cable running to them. Ideally when you mount a camera you want no exposed wires, but that is going to prove to be difficult with this install without adding conduit inside the house (and outside) - so what I am going to do if all else fails is run cable from under the eaves straight down to where the camera mounts, out of reach (black cable isn't too noticeable on the side of a brick house, at least our TV cables aren't).

Anyways, the IP cameras I have looked at on here all have that end with both the PoE injector and the 12V DC barrel jack. What is the best way to mount these on the side of a brick wall? Drilling a hole big enough to fit that PoE injector in would be a pain, and it's also not good to leave it out in the elements without sealing it, and then that would become an even more noticeable eye sore (I have been considering painting the cameras and cables brown to reduce this). 

Does anyone have a suggestion about mounting the PoE cameras on the side of a brick house? I can't mount them under the eaves because they are so high up, and I want to keep them out of reach from every possible angle... so it seems like I am stuck. Any help is much appreciated.