This standard BS EN 4626-001:2008 Aerospace series. Connectors, optical, rectangular, multicontact, rack and panel, Quadrax cavity, 2,5 mm diameter ferrule. Operating temperatures -65 °C to 125 °C (cable dependent). Flush contacts is classified in these ICS categories:
49.060 Aerospace electric equipment and systems
This standard specifies the general characteristics, the conditions for qualification, acceptance and quality assurance, as well as the test programs and groups for fibre sub-assembly contact in rack and panel connectors, intended for use in a temperature range from ? 65 °C to 125 °C continuous (cable dependent). This standard specifies a pair of adaptors to fit with standard Quadrax cavities and EN 4531-101 optical contact.