The LC simplex connector is one of the most common LC connector types, designed for single-fiber connections. 25mm ferrule, making it ideal for applications where one-way data transmission is needed, such as in telecom networks. Whether you've been practicing in the telecommunication field or are a beginner wishing to hone your skills, mastery of the. Fiber optic connectors in SFP modules are the physical interfaces that connect the transceiver to fiber patch cables, enabling optical signal transmission between network devices. But it can also be used with multimode fiber optic cable. Thus, LC connector has both simplex and duplex design. Mouser offers inventory, pricing, & datasheets for Singlemode LC Connectors Fiber Optic Connectors.