A canister system having a cylindrical housing, having at least one enclosed end, and a modular electronic rack system disposed within the cylindrical housing. The modular electronic rack system including an input/output device extending along at least a portion of the modular electronic rack system. The modular electronic rack system further having a power input and a signal output electrically coupled to the input/output device—at least one of the power input and the signal output extending through the at least one enclosed end of the cylindrical housing at a first sealed terminal. The canister system further having a first alignment system for physically aligning an electronic connection with the sealed terminal. The electronic connection having physically engaging features extending from the cylindrical housing to align the electronic connection therewith.