What Types of Fiber Optic Patch Cords Are There?

Fiber optic jumpers are used as jumpers from equipment to fiber optic cabling links. It has a thicker protective layer and is generally used for the connection between optical transceivers and terminal boxes. It is used in some fields such as optical fiber communication systems, optical fiber access networks, optical fiber data transmission, and local area networks.

Ⅰ. What is a fiber optic patch cord?

Optical fiber jumper (also known as optical fiber connector) means that both ends of the optical cable are equipped with connector plugs to realize the active connection of the optical path; one end with a plug is called a pigtail. It is to connect the two ends of the optical fiber, so that the optical energy output by the transmitting optical fiber can be coupled into the receiving optical fiber to the maximum extent, and the impact on the system caused by its intervention in the optical link is minimized.

Ⅱ. The classification and overview of fiber optic patch cords are as follows:

There are many kinds of optical fiber jumpers (also known as optical fiber connectors), that is, optical fiber connectors connected to optical modules, and they cannot be used interchangeably. The SFP module is connected to an LC fiber optic connector, while the GBIC is connected to an SC fiber optic connector. The following is a detailed description of several commonly used fiber optic connectors in network engineering:

1. SC type optical fiber jumper: the connector connected to the GBIC optical module. Its outer shell is rectangular, and the fastening method is plug-in and bolt-type, and it does not need to be rotated. (Most used on router switches)

2. FC type optical fiber jumper: the external strengthening method is a metal sleeve, and the fastening method is a turnbuckle. Generally used on the ODF side (mostly used on the distribution frame)

3. LC-type optical fiber jumper: the connector connected to the SFP module, which is made of a modular jack (RJ) latch mechanism that is easy to operate. (commonly used by routers)

4. ST-type optical fiber jumper: It is often used in optical fiber distribution frames. The shell is round and the fastening method is a turnbuckle. (For 10base-F connection, the connector is usually ST type. Commonly used in fiber distribution frame)

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