What is the type of fiber optic jumper/optical patch cord/fiber patch cable/fiber optic patch lead ?

There are a lot kind of fiber optic jumpers , FC, LC, SC ,ST type:

FC type fiber optic jumper: external strengthening way is to use metal sleeve, fastening way as the turnbuckle. Generally adopted in ODF side (distribution frame use most). FC head general telecom network connecting the, there is a nut to the adapter, advantage is strong, dust proof, defect is the installation time is a bit long.

SC type fiber optic jumper: connection module GBIC light connector, its shell is rectangular, fastening way is to use the plug pin bolt type, need not to rotate. (router switches use most). Commonly used in general network SC connectors connectors, SC connector plug directly, very convenient use, defect is easy to fall out.

ST type fiber optic jumper wire: often used in optical fiber distribution frame, shell assumes the circular, fastening way as the turnbuckle. (for 10 base - F connection, the connector is usually ST type. Commonly used in optical fiber distribution frame). ST connector joints used in general network. ST head insert a bayonet fixed rotation and a half weeks after, the disadvantage is that easy to broken

LC type fiber optic jumper: connect the SFP module connector, it USES the convenient operation modular jack (RJ) latch mechanism is made. (router) is commonly used