Sitting on a roof
Photo from the top of the roof of the oecumenic centre.
Input
Photo of big satellite dish with fiberoptic LNBs.
Mux
Photo of multiplexers taking in a single optical fiber and demultiplexing it to coaxial cables.
Output
Photo showing the backside of a 19” 4U server with lots of TV tuner cards connected to lots of coaxial cable.
then multicast <3
Photo of rack with 3 big routers and lots of fiberoptic patchpanels.