BS EN 62680-3-1:2017 Universal Serial Bus interfaces for data and power Universal Serial Bus 3.1 Specification (IEC 62680-3-1:2017)

Electric connectors
Dimensions
Voltage
Audio equipment
Identification methods
Portable
Electronic equipment and components
Multimedia
Electrical properties and phenomena
Electric charge
Electric plugs
Battery-powered devices
Battery chargers

Link: BS EN 62680-3-1:2017 Universal Serial Bus interfaces for data and power Universal Serial Bus 3.1 Specification (IEC 62680-3-1:2017)
Source: BSI Standards

BS EN 61784-3-2:2017 Industrial communication networks. Profiles Functional safety fieldbuses. Additional specifications for CPF 2

Data link layer (OSI)
Computer networks
Communication networks
Process control
Fieldbus
Industrial
Safety
Automatic control systems
Bus networks
Interfaces (data processing)
Data processing
Open systems interconnection
Data transfer
Data transmission

Link: BS EN 61784-3-2:2017 Industrial communication networks. Profiles Functional safety fieldbuses. Additional specifications for CPF 2
Source: BSI Standards