Fibre optic interconnecting devices and passive components. Performance standard - Single mode fibre pigtailed style optical power limiter for category C. Controlled environment1 Scope This part of IEC 61753 contains the minimum initial test and measurement requirements and severities which an optical power limiter needs to satisfy in order to be categorized as meeting the requirements of single mode fibre pigtailed style optical power limiter used in controlled environments. Optical performance specified in this standard relates to in line type configuration power limiters only.

This Part of EN 1915 does not establish additional requirements for the following:

but seeks to give the intentions of the standard in the hope that these might help future users of the standard

3 Definitions 3

The connections and attachments of the roofs

A wheelset is a cohesive assembly

you can enhance quality assurance and quality management systems in the field of welding

BS EN 50483-5 ensures the users long lasting and effectively functioning aerial bundled cables

electrical and optical

and pressure vessels

The working surface of the flats and plates described in BS 869 is finished by high-grade lapping2) free from noticeable scratches

ice or altitude on polluted insulators

examples and references: in smaller type