The optical fiber connector consists of a plug at both ends of the fiber and the optical fiber. According to different locking mechanisms, fiber -fiber connectors can be divided into FC, SC, LC type, ST type and KTRJ type.

The FC connector uses a thread lock mechanism. It is an optical fiber activity connector that has been invented earlier and used the most.

SC is a rectangular connector. It is developed by NTT. It can be plugged directly and plugged directly. Compared with the FC connector, it has a small operating space and easy to use. Low -end Ethernet products are very common.

LC is a MINI -type SC connector developed by Lucent. It has a smaller volume and is widely used in the system. It is a direction for the development of fiber optic activity connectors in the future. Low -end Ethernet products are very common.

The ST connector is developed by AT & T. It is locked by a card mouth -type locking mechanism. The main parameter indicators are equal to the FC and SC connectors, but the application of the company is not common. It is usually used in multi -mode device connections. It is equipped with other manufacturers. Use more during docking.

KTRJ's pins are plastic. Through steel needle positioning, as the number of insertions increases, each cooperative surface will wear, and the long -term stability is not as good as the ceramic needle connector.

Fiber knowledge

Optical fiber is a conductor that transmits light waves. Fiber can be divided into single -mode fiber and multi -mode fiber from the mode of optical transmission.

In the single -mode optical fiber, there is only one type of base mode, which means that the light is transmitted only along the core of the fiber. Due to the completely avoided mode scattering, the transmission band of the single -mode fiber is very wide, so it is applicable and high -speed, and the long -distance fiber is generally accepted.

There are multiple modes in the light transmission in multi -mode fiber. Due to the scattered or simidities, the transmission performance of this fiber is poor, the frequency band is narrow, the transmission rate is small, and the distance is short.