(The requirements of the horizontal subsystem wiring scheme There are three types of media for horizontal wiring (100 ohm UTP cable, 150 ohm STP cable and 62.5/125 micron optical cable), and the farthest extension interval is 90 meters. Except for the 90 meters horizontal cable, the working The total length of patch cords and jumper cables for zone and management subsystems can be up to 10 meters.)
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