1. Cleaning. The inside and outside of the optical fiber fusion splicer, the optical fiber itself, the most important parts are the V-shaped groove, the optical fiber presser foot and other parts.

12 To 48 cores doom heat shrink seal fiber optic splitter closure 1 inlet 3 outlet

2. When cutting, ensure that the cutting end face is 89°±1°, which is approximately vertical. When placing the cut optical fiber at the designated position, the end face of the optical fiber should not touch any place. If it is touched, we need to clean and cut it again: Emphasis Clean first, then cut!

3. When putting the optical fiber in its position, don't be too far or too close, 1/2 place, proficiency!

At the same time, it is very important to strengthen the monitoring of OTDR to ensure the quality of optical fiber fusion, reduce the additional loss caused by the fiber coil and the possible damage to the optical fiber caused by sealing the box. During the entire follow-up work, the OTDR four monitoring procedures must be strictly implemented:

1) Real-time tracking and monitoring of each core fiber during the fusion splicing process to check the quality of each splicing point;

2) After each fiber reel, carry out routine inspection on the reeled fiber to determine the additional loss caused by the reel;

3) Before sealing the splicing box, conduct a unified test on all optical fibers to find out whether there is any missing test and whether there is any extrusion on the optical fiber and the connector between the reserved optical fiber discs;

4) After sealing the box, inspect all the optical fibers to check whether the sealing box has damaged the optical fiber.