(The 30-page pdf is almost just pictures, including the tools, modules, cables, cabinets, etc. involved in the integrated wiring, plus some related knowledge introduction, such as the disassembly structure of the cabinet, single multimode fiber, jumper Type of wire connector. There is no systematic theoretical knowledge. Fortunately, there are pictures and truths. Whether it is practical or not is a matter of opinion, and I secretly think that after reading it, I can call these seemingly familiar tools a name, and it is not a shameful thing.)
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