Broadcom (formerly AVAGO) Versatile Link AFBR-4526Z black duplex friction-style connector. For use with 1mm POF.
• Rugged design with latching mechanism, new with the AFBR-series of connectors
• Designed specifically for use with AFBR-5972Z transceiver
• Tool-less connector assembly, designed to snap together, saving on user labor and tool cost
• RoHS compliant
• Made of flame retardant VALOX UL94 V-0 material (UL file E121562).
• Fast Ethernet communication
• Industrial data links for factory automation and plantcontrol
• Intra-system links, board-to-board, rack-to-rack
• Medical instruments
• High voltage isolation
More information on this part is available on the OEM's website here