In the process of fiber optic cable construction, it is inseparable from this step of fiber optic cable connection. The transmission of light in the optical fiber will produce loss, which is mainly composed of the transmission loss of the optical fiber itself and the splice loss at the optical fiber joint. Once the optical cable is ordered, the transmission loss of the optical fiber itself is basically determined, and the splice loss at the optical fiber joint is related to the optical fiber itself and on-site construction.
1. Check and clean the connector end face before installation
The end face of the connector is also a place that is easily polluted by dust and oil. Therefore, when installing the connector, we should check and clean the end face of the fiber optic connector. The cost of a ferrule end face detector is less than the cost of two on-site maintenance and construction. Are you willing to spend a little money to do a cleaning inspection in advance or repair it afterwards or at a large price?
2. Do not bend the fiber optic cable excessively
All optical cables have their own minimum bending radius. Therefore, we should pay attention not to exceed the minimum bending radius of the optical cable when constructing the optical cable, so as to avoid damage to the optical cable and the optical fibers in the sheath.
3. Minimize microbends in fiber optic cables
Microbending of the optical fiber is generally caused by excessive pressure on the optical fiber. Microbending of the optical fiber can cause signal quality degradation, and this problem is difficult to detect with the naked eye unless an OTDR is used to check.
4. Clean the fiber before splicing
Cleaning bare fibers is a very important step before fiber splicing. It should be noted that the bare fiber should be cleaned first, and then the bare fiber should be cut. In fact, nothing is cleaner than a freshly cleaved fiber endface, so you should never try to clean the fiber after cleaving, as this will contaminate the fiber endface. When cleaning bare fibers, it is strongly recommended that operators use fast-evaporating, non-flammable precision cleaning fluids.
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