Socket adaptors
Communication equipment
Digital signals
Dimensions
Electrical components
Data circuit-terminating equipment
Earthing
Computer peripheral equipment
Electric pins
Signal level
Electric connectors
Computer hardware
Locking and locating devices
Computer terminals
Electric contacts
Multicontact connectors
Numerical designations
Data transmission
Plug adaptors
Electric socket contacts
Electric plugs
Data processing equipment
Electric sockets
Interfaces (data processing)