The ST connector is a type of fiber optic connector used in telecommunications. It is a popular choice for connecting fiber optic cables due to its small size and robust design. The ST connector is a bayonet-style connector that uses a push-pull locking mechanism to secure the connection. It is available in both single-mode and multi-mode versions, and is compatible with a variety of fiber optic cables. The ST connector is easy to install and provides a reliable connection for high-speed data transmission. It is also resistant to dust and moisture, making it suitable for use in harsh environments.