信阳师院施工组织设计书学号: 20255093118 学 院 土木工程学院 专 业 土木工程 年 级 09 级 姓 名 李涛 指导老师 周峰2025 年 7 月 3 日 n the main terminal, and the telephone Office is responsible for providing the appropriate size adapter patch panels and electrical protection unit. （Shuttle bus) wiring (IDF) set up in the workshop on the second floor of the building, located in the District of weak electrical cabinets （well). Engine room placed inside the Cabinet， IDF placed a standard 40U cabinets for installation of network and wiring devices， management computer and telephone information。 Cabinet distribution frame are made of Super five RJ45 patch panel horizontal twisted pair connections。 Computer information management， admin area using the jumpers， which uses private RJ45—RJ45 soft jumpers for network devices with jumpers hopping between all switches， changes, expansion and maintenance were done quickly in the wiring closet。 Twisted length Centre room is located on the second floor， outward radiation of each line (except some points may exceed） does not exceed 100 metres in length， all information for the various floors all rooms (distribution Cabinet） unified management. District workshop building distribution lines （IDF) via fiber optic cables connected to the total room cabinets. Fiber length were： workshops two IDF： total more than 1200 square meters， double the number of strands can be calculated by multiplying the average length of the number of information points are。 Average level of each length of cable： L=［(S1+S2)/2］+L1+L2 l: average length of cable； L1： MDF cable allowance； L2: other allowances S1: minimum horizontal cable length; S2： maximum horizontal length of cable;...
