(1. Equipment and technical information is one of the main bases for strengthening enterprise management and guiding line maintenance and office work. The maintenance units of long-distance optical cable lines at all levels shall have the equipment and technical data for the jurisdiction of comprehensive long-distance optical cable lines. 1. The optical cable line maintenance core of the line service station (bureau) should be equipped with: (1) The optical cable line engineering design documents, completion materials, acceptance documents and management opinions on the remaining problems of the project. (2) ?? Optical cable circuit diagram of the whole station, optical cable circuit maintenance diagram, optical cable circuit routing diagram, and schematic diagram of the distribution and connection mode of liners. (3) ?? Optical cable line routing and equipment change records. (4) Test record of transmission characteristics of optical cable line: A, optical fiber attenuation test record of hop. B, Backscattered signal curve of the hop fiber. C, the electrical performance test record of the copper core wire of the optical cable. (5) The insulation test record of the metal sheath of the optical cable to the ground. (6) Records of grounding installation and grounding resistance test. (7) Marking stone - distance comparison table. (8) The registration card for the use of special instruments and equipment for optical cables. (9) ?? Optical cable line obstacle registration form.)
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