Optical circuit boards - Part 2-1: Measurements - Optical attenuation and isolation

Optical circuit boards - Part 2-2: Measurements - Dimensions of optical circuit boards

Optical circuit boards - Basic test and measurement procedures - Part 2-4: Optical transmission test for optical circuit boards without input/output fibres

Optical circuit boards - Basic test and measurement procedures - Part 2-5: Flexibility test for flexible opto-electric circuits

Optical circuit boards - Part 3: Performance standards - General and guidance

Optical circuit boards - Part 3-1: Performance standards - Flexible optical circuit boards using unconnectorized optical glass fibres

Optical circuit boards - Part 4: Interface standards - General and guidance

Optical circuit boards - Part 4-1: Interface standards – Terminated waveguide OCB assembly using single-row twelve-channel PMT connectors

Optical circuit boards - Part 4-214: Interface standards - Terminated waveguide OCB assembly using a single-row thirty-two-channel symmetric PMT connector

Optical circuit boards - Part 4-3: Interface standards - Terminated waveguide OCB assembly using a single-row thirty-two-channel PMT connector intermateable with a 250 m pitch MPO 16

Railway applications - Insulation coordination - Part 2: Overvoltages and related protection

Railway applications - Environmental conditions for equipment - Part 1: Equipment on board rolling stock

Railway applications - Environmental conditions for equipment - Part 2: Fixed electrical installations

Railway applications - Environmental conditions for equipment - Part 3: Equipment for signalling and telecommunications

Railway applications - Current collection systems - Pantographs, testing methods for contact strips

Voltage sourced converter (VSC) valves for high-voltage direct current (HVDC) power transmission - Electrical testing

Multimedia quality - Method of assessment of synchronization of audio and video

General lighting - Light emitting diode (LED) products and related equipment - Terms and definitions

Railway applications - Fixed installations - Particular requirements for AC switchgear - Part 1: Circuit-breakers with nominal voltage above 1 kV

Railway applications - Fixed installations - Particular requirements for AC switchgear - Part 2: Disconnectors, earthing switches and switches with nominal voltage above 1 kV

Railway applications - Fixed installations - Particular requirements for AC switchgear - Part 3-1: Measurement, control and protection devices for specific use in AC tractions systems - Devices

Railway applications - Fixed installations - Particular requirements for AC switchgear - Part 3-2: Measurement, control and protection devices for specific use in AC traction systems - Current transformers

Railway applications - Fixed installations - Particular requirements for AC switchgear - Part 3-3: Measurement, control and protection devices for specific use in AC traction systems - Voltage transformers

Methods for product accelerated testing

Identification systems enabling unambiguous information interchange - Requirements - Part 1: Principles and methods