1. Technical field to which the design described in the claims belongs;Mobile communication exchange;2. Technical challenges to be solved by the design;To prevent the release of E.M.I emitted from the backboard of a mobile communication exchange.;3. The point of solution of design;A flow prevention part 1 for restricting the flow of the cable 310 drawn out from the back board 300 to be fixed at a predetermined position and a cable 310 fixed by the flow prevention part 1, A connection guide portion 2 for forming a path internally without being exposed to the outside and guiding the connection path to be connected to a predetermined device and a connection portion 2 for covering the outside of the back board 300 internally interconnected by the connection guide portion 2 And a shield 3 for shielding the external emission of the EMI.;4. Important Uses of Designs;The E.M.I interrupter of the mobile communication exchange
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