English to Japanese Tech/Engineering Computers: Systems, Networks design of optical fiber routes

The term is used in a sentence describing representation of elements (such as poles, cable routes, mechanical closures, splitters, etc) on a schematic (回線系統図) related to optical fiber cabling plan. A part of the sentence reads something like "how to represent those elements on diagrams (orthogonal, geoschematic)". What is the Japanese word(s) for this term?