1.FC type optical fiber patch cord: The external reinforcement method is a metal sleeve, and the fastening method is a turnbuckle. Generally used on the ODF side (the most used on the patch panel) 2.SC type fiber patch cord: The connector that connects the GBIC optical module. Its outer casing is rectangular, and the fastening method is plug-and-pull type without rotating. (most used on router switches)
3.ST type fiber patch cord: commonly used in fiber distribution frame, the outer casing is round and the fastening method is screw buckle. (For 10Base-F connections, the connector is usually ST type. Commonly used for fiber distribution frames)
4.LC Fiber Patch Cable: A connector that connects to an SFP module. It is made with a convenient modular jack (RJ) latch mechanism. (used by routers)