Internal structure
1. Support frame: It is the main body of internal components.
2. Optical cable fixing device: used for fixing the optical cable and the base and fixing the optical cable reinforcing component. The first is the fixing of the cable reinforcement core inside; the second is the fixing of the cable and the support frame; the third is that the cable and the connector box are sealed and fixed by the heat shrinkable jacket.
3. Fiber-optic placement device: The fiber-optic connector and the remaining fiber can be stored in sequence. The length of the remaining fiber should be no less than 1 meter, and the remaining fiber-optic disk should be no less than 35 mm. The storage tray can be four layers, the capacity is large, and the storage tray can be adjusted according to the number of cores connected by the optical cable.
4, fiber optic connector protection: the heat-shrinkable protective sleeve placed on the core holder in the receiving tray can also be used to fix the silicone.
5. Sealing the optical cable and the joint box: sand the joint between the joint box and the optical cable with the abrasive cloth on the cable and the base cable, wipe the sanding place with the cleaning agent, paste the aluminum foil, and place the heat shrinkable tube in the joint box. At the entrance of the cable, the burner is slowly heated according to the middle and rear ends, so that the entire heat-shrinkable tube can be completely contracted.
Function and characteristics
1. The Fiber Optic Splice Closure can be used for both the main trunk cable and the divergent cable to be spliced, and some of the trunk cables are spliced ​​to the pigtail or tail cable, and connected to the optical switching device through the fiber jumper. The welding unit, the wiring unit, the part of the material of the network box casing, the optical cable of the cable connection box to the network box, and the entire operation process can be omitted.
2. The fiber fusion splicing unit increases or decreases the fiber storage tray to save time and time. The flip angle of the fiber condensing tray reaches 90°C or above, which is convenient for future expansion and maintenance.
3. The fiber optic distribution unit can be installed with fixed modules of FC, SC, ST, and LC adapters. It is very convenient to install and can be configured according to user needs. The dimensions and mounting holes of each module are the same.
4. Innovative structural design, easy and reliable installation, the whole set of plastic parts adopts scientifically formulated high-strength PC engineering plastics, and the injection molding can be used for a long time in the natural environment of -40 °C ~ +65 °C.
5. Patented product - the elastomeric sealing member can be repeatedly opened and reused repeatedly to maintain good sealing performance.
6. Multi-function optical cable connection box, which can be installed by hanging wall or pole. Realizing FTTH access for fiber network construction reduces costs and improves communication quality.
classification
Classified by shape and structure, it can be divided into hat type and horizontal type.
Classified by shell material, it can be divided into plastic shell and metal shell.
Classified by fiber optic cable connection, divided into straight-through and divergent connections.
Classified by sealing method, divided into heat shrinkable seal type and mechanical seal type.
According to the way of cable laying, there are overhead, pipeline (tunnel) and direct burial.

According to whether the adapter classification can be assembled, it can be divided into an adaptable adapter type and a non-assemblable adapter type.

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