Optical cable connection box use method introduction
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2. Clean the loose tube and reinforcement core sheath with detergent, remove the excess filling tube, and use the provided sandpaper to polish the cable sheath 150mm long.
Optical cable installation 1. Select the smallest inner diameter sealing ring according to the outer diameter of the cable, and put the two sealing rings on the optical cable.
2. Place the cable into the corresponding hole.
3, connect shielding and grounding.
4. A self-adhesive sealing tape is wound between the two sealing rings so that the sealing tape is wound around the outer diameter of the sealing ring to form a sealed end of the optical cable.
5. Press the sealed end of the cable into the cable entry hole.
6. Use the hose clamps to pass through the cable-reinforcement ribs and the cable holder. Fix the cable to the base of the connector box. Tighten the hose clamp screw until the hose clamp tightens.
7. Put a nylon cable tie on the cable to cut off the excess length.
8, the other unused cable holes, please seal with a plug. The sealing tape is similarly wound on the plug and the requirement is the same as in 5.2.4.
9, the reinforcement member is wrapped around the countersunk head screw of the welding disc holder and pressed tightly.
Optical fiber connection 1. After preparation of the upper plate, 1.5 turns of optical fiber is coiled, and then the residual fiber is all coiled in the box body.
2. Please use a single-core buffer tube for the single-core optical disk and a ribbon buffer tube for the upper tape optical fiber. At the inlet of the splicing plate, it is fastened with a nylon tie.
3. Dock two (with) optical fibers according to the specified method. The connectors are inserted into the slot of the fusion unit. The excess length must be coiled in the disk.
4. Cover the splice tray and press it into place.
5. According to the required capacity of the splice box, the number of disks to be superimposed on the splice tray is determined. The overlay type of the splice tray must meet the requirements for the snap-in of the optical fiber connector into the splice unit and inspection and maintenance. Splice tray every two superimposed, you can rubber hinges on the six holes, respectively, stuck on the top and bottom of the three trays on each of the three convex; four rubber folding, two symmetrical positions on both sides of the disk, such as superimposed five Splice tray, according to the above method to tie the second layer with three layers, three layers and four layers, the four layers and five layers, and so on . When it is necessary to inspect or maintain the welding condition of a certain layer of disk, as long as the two folding sheets buckled by the upper layer of one side of the disk are removed, the welding disk can be opened like a page of books.
Box seal 1, box package: Before the box is packaged, tighten the valve tip with the ground screw. The sealing strip is embedded in the sealing groove around the box body; the sealing groove is embedded in the groove at both ends of the "U" slot of the joint box. Note: Do not pull the seal manually to prevent leakage by using seals.
2. Gently close the upper cover of the joint box and screw in the fastening bolt. The tightening sequence shall be tightened according to the numerical sequence indicated on the cover and fixed with a torque wrench. The torque shall be 25 N·m.
3. After 5 minutes, tighten the torque wrench in sequence and the torque still reaches 25N·m.
Disassembly of the lid 1. Loosen the ten fastening bolts in order, and the lid and the seat are still together.
2. Take four fastening bolts and insert them into the four corners of the box body respectively, and screw them symmetrically and evenly into the four-cornered top cover so that the cover and the seat can be separated up to 6mm.
3. Wait 5 minutes and then evenly cover the cover and seat separated >6mm until the cover and seat can be easily separated by hand. Note: The cover must be gently removed to prevent damage to the splice fiber.
4. If the capacity is increased or the inspection is completed, it is necessary to re-close the cover. The old sealing tape must be removed and the sealing tape must be re-applied to the sealing groove, including the sealing at the inlet end of the "U" tank cable.