Leather cable, also known as butterfly cable and figure 8 cable, is widely used in residential building access networks because of its softness and lightness. What problems should be paid attention to in the construction of the leather cable? The following is to introduce some construction specifications of the leather cable.
Specification for construction of leather cable
1. The type of residential buildings, environmental conditions and existing cable laying routes should be considered before the installation of household optical cables. At the same time, it is necessary to comprehensively judge the economy, safety of construction, convenience of future maintenance and user satisfaction. .
2. The existing dark pipe should be used as far as possible to lay the home optical cable. For residential buildings with no dark pipe or unusable home dark pipe, the butterfly drop cable should be laid by laying corrugated pipes in the building.
3. For residential buildings with vertical wiring bridges, corrugated pipes and floor crossing boxes should be installed in the bridges for passing the butterfly drop cables. If there is no space to install the corrugated pipe in the bridge, the winding pipe should be used to wrap the butterfly-shaped lead-in optical cable laid in it to protect the optical cable.
4. Since the butterfly drop cable cannot be immersed in water for a long time, it is generally not suitable for direct laying in underground pipes.
5. The minimum bending radius of the butterfly drop cable should be in accordance with: it should not be less than 30mm during the laying process; it should not be less than 15mm after fixing.
6. Under normal circumstances, the traction force of the butterfly drop cable should not exceed 80% of the allowable tension of the cable; the instantaneous maximum traction force should not exceed 100% of the allowable tension of the cable, and the main traction force should be added to the strengthening member of the cable.
7. The butterfly drop cable should be carried by the optical cable reel, and the cable release bracket should be used when laying the optical cable, so that the optical cable reel can be rotated automatically to prevent the optical cable from being entangled.
8.In the process of laying the optical cable, the tensile strength and bending radius of the optical fiber should be strictly paid attention to to avoid the optical fiber being twisted, twisted, damaged and stepped on.
