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Definition: ST connector


(Straight Tip connector) A fiber-optic cable connector that uses a bayonet plug and socket. It was the first de facto standard connector for most commercial wiring. For bi-directional transmission, two fiber cables and two ST connectors are used. ST is specified by the TIA as FOCIS-2. See fiber-optic connectors and FOCIS.




ST Connector
The ST uses a half-twist bayonet type of lock to keep the connection secure.