These singlemode and multimode fibre optic connectors offer the highest levels of performance and signal integrity while being incorporated into industry-standard connector formats and styles like XLR and D38999, some with QPL mil-spec release such as MIL-DTL-83526. The Bulgin Circular Fiber Connector range offer high quality and reliable fiber connectivity solutions. Suitable for use in industries such as outdoor broadcast, FTTX (fiber to the x), server room engineering, civil engineering, marine, aviation and rail applications. 48, 64 72-channel configurations. Mouser offers inventory, pricing, & datasheets for Fiber Optic Standard Circular Connector.