which type of connector is used only for multimode fiber and is sometimes referred to as fiber jack due to its compact snap-to-lock connector?
The ST Connector is a keyed bayonet connector and is used for both multimode and single-mode fiber-optic cables. It can be inserted into and removed from a fiber-optic cable both quickly and easily. Method of location is also easy. ST connectors come in two versions: ST and ST-II. These are keyed and spring-loaded. They are push-in and twist types.