The advantages and disadvantages of optical fiber fast connector

Advantages of carrier-grade fiber optic fast connectors

There are many types of it, but the basic structure of various types of fiber optic connectors is the same, that is, it consists of three parts, two pins and a coupling tube. The use method of the fiber optic connector is to insert and fix the optical fiber in the ferrule, and after the surface of the ferrule is polished, the alignment is realized in the coupling tube.

What are the main aspects of carrier-grade fiber optic fast connector selection?

1. Durability

This is an indicator that the fiber optic connector can withstand normal use. Durability is a function of mechanical construction and materials, and connector durability is typically measured through vibration, drop, crush and bend tests.

2. loss

For a complete connector, the loss of an optical cable connector is usually expressed by the average loss and the standard error of the loss. The smaller the insertion loss, the better, generally not more than 0.5dB.

3. Repeatability

Repeatability is mainly limited by mechanical design, materials and cleanliness of connections. If the connector cannot withstand reverse mating, a bad connector will aggravate the loss and even cause system failure. In general, look for connectors with repeatable characteristics that do not vary more than 0.2dB for 1000 repeated connections.

4. Temperature stability

The average loss of fiber optic cable connectors due to temperature changes is caused by thermal expansion and contraction of the connector components. This temperature-induced change in losses can cause a temporary interruption of the system. In severe cases, the plugs of the connector will separate from each other, which is the so-called "jacking" phenomenon. Therefore, the selection of fiber optic connectors generally requires the normal operating temperature to be between -40°C and 70°C.

5. Tensile strength

Tensile strength is an indication of how much tension an optical fiber, cable, or connector can withstand before failure occurs in the cable terminated to the connector. It is generally required that the tensile strength of the optical fiber connector is not less than 90N.