1 ST Connectors ST connectors provide a reliable bayonet locking interface for optical fiber. This option covers standard ST fiber optic connectors suitable for use with both single mode and multimode cables. Key benefits Quick, secure mating with a simple twist to lock the connector in place Durable metal housing and ceramic ferrule for reliable alignment and long service life Low and repeatable optical loss when properly mated, with compatibility across standard ST adapters What makes it better Precise ceramic ferrule tolerances support stable performance over many cycles Standard 2.5 mm ferrule size enables easy integration with common patch panels, trays, and adapters Available in single mode and multimode variants to match your fiber type and network requirements Use scenarios Data center patch panels and rack cabinets for quick fiber terminations Campus backbone installations linking building networks and telecom closets Lab or field testing where a robust, easy to connect fiber link is needed Specifications to consider Interface: ST, bayonet style Fiber types: SMF or MMF variants available Housing: metal Ferrule: ceramic Choosing guidance Select single mode if your link uses SMF; select multimode for MMF; ensure the corresponding adapter and patch cords are compatible