This part of 60876 applies to fibre optic switches possessing all of the following general features: - they are passive in that they contain no optoelectronic or other transducing elements; - they have one or more ports for the transmission of optical power and two or more states in which power may be routed or blocked between these ports; - the ports are optical fibres or optical fibre connectors. This standard establishes uniform requirements for: - fibre optic switch requirements; - quality assessment procedures.