Description: alphanumeric identifier unique to a terminal (or group of terminals) determined by the manufacturer; Name: Manufacturer serial number
Description: Unique combination of numbers and letters used to identify the device once it has been manufactured; Name: Serial number
Description: a specific design within the context of a type, which is generally characterized by its dimensions. A construction can comprise several design (variants), which generally vary in terms of mechanical details; Name: Construction of the connection, muff A2