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Cable rule and Method for Fiber Optic Splice Closure

The optical cable is connected in the Fiber Optic Splice Closure , and there are two connection methods. There are mainly optical fiber cores that are fully fused to the terminal type and the core portion of the optical cable is melted to the terminal portion and directly melted. The cable core is fully fused to the terminal type, which is to fuse the optical cable to the terminal of the forwarding box. When there is access demand, it will be jumped between the various forwarding boxes to the exchange office. This method is usually selected when large-scale replacement is required. This method is difficult to construct and has a small investment. It can save the number of optical cable cores and is still used by operators. However, this method is more complicated to use and difficult to maintain. Once the logo is unclear, it will present doubts and simple jumpers. In order to solve these problems, it is necessary to repeatedly open the box to jump the fiber, which will affect the service life of the Fiber Optic Splice Closure and the terminal. Therefore, the small-scale application is usually no more than five. The core part of the optical cable is melted to the terminal part. The direct-melt type fuses some parts of the optical fiber core to the terminal of the transfer box, and a part of the core is directly melted to the corresponding exchange bureau. After all, each of the transfer boxes has an associated core. Together, each direction of the transfer box has a direct core to the policy exchange bureau. The selection of this method is more difficult, the investment is relatively large, and the network arrangement is more complicated, but it is conducive to future maintenance and handling, and is also very simple in the application process. If there is an emergency access user, you can directly access the direct communication exchange fiber in the forwarding box, and you do not need to open the replacement box, which also extends the service life of the Fiber Optic Splice Closure and terminal. The operation requirements of the Fiber Optic Splice Closure are as follows: First measure the transmission characteristics (program, end) of the Fiber Optic Splice Closure, and then check the shielding of the fiber-to-ground insulation resistance joints of the sheath to make the symbols in order and record them. In the vehicle or joint tent, dustproof and harmful gas (Freon) pollution, the ambient temperature is °0°, to ensure the softness of the fiber and the remaining amount of the normal operation of the welding equipment ≧4m, the final fiber in the joint sheath Long ≧ 60cm, as much as possible to work in tandem, or to measure the joint loss after moisture-proof and safe maintenance fiber connection. Qualified repackaged maintenance tube, the joint pit of the direct buried optical cable should be located on the right side of the route A→B, otherwise it should be marked on the left side of the route construction drawing. Overhead—The connector is mounted next to the pole for elastic bending. The remaining length of the Fiber Optic Splice Closure is placed on the adjacent rod after being placed. The pipe-joint box is installed at a higher position in the inlet hole and is immersed in the water in the hole during the dry season. Cable joint sheath treatment—cut off some of the inner and outer sheaths of the end of the cable to be connected, the fiber of the butt cable, the reinforcing core, the metal wire and the metal sheath, and then the joint sheath (the joint box (box), sub-shell [ Seal], the support member [the skeleton of the receiving box, including the bracket, the cable fixing clip and the light receiving plate] and the connecting member have some overall maintenance and sealing of the cable joint.

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