BS EN 4641-200:2018 Aerospace series. Cables, optical, 125 $Gmm diameter cladding Semi-loose structure 9/125 $Gmm GI fibre nominal 0,9 mm outside diameter. Product standard

Marking
Testing conditions
Qualification approval
Fibre optic cables
Optical fibres
Aircraft components
Designations
Quality control
Fibre optics
Approval testing
Electric cables

Link: BS EN 4641-200:2018 Aerospace series. Cables, optical, 125 $Gmm diameter cladding Semi-loose structure 9/125 $Gmm GI fibre nominal 0,9 mm outside diameter. Product standard
Source: BSI Standards

BS EN IEC 61375-2-6:2018 Electronic railway equipment. Train communication network (TCN) On-board to ground communication

Quality control
Electrical engineering
Conformity
Approval testing
Information exchange
Railway equipment
Electronic engineering
Data transfer
Railway vehicles
Electrical equipment
Electronically-operated devices
Communication networks
Circuit networks
Specification (approval)

Link: BS EN IEC 61375-2-6:2018 Electronic railway equipment. Train communication network (TCN) On-board to ground communication
Source: BSI Standards

BS EN 3660-003:2018 Aerospace series. Cable outlet accessories for circular and rectangular electrical and optical connectors Grommet nut, style A. Product standard

Grommets
Mass
Electric connectors
Fibre optic connectors
Dimensions
Cable junctions
Designations
Torque
Nuts
Marking
Circular shape
Aircraft components
Testing conditions
Rectangular shape

Link: BS EN 3660-003:2018 Aerospace series. Cable outlet accessories for circular and rectangular electrical and optical connectors Grommet nut, style A. Product standard
Source: BSI Standards