Main Distribution Frames - krocc.ru

main Distribution Frames2 main Distribution Frames A main Distribution frame (MDF) is the interface betweenThe subscriber cables coming from the local network (line side)and the switching equipment in the exchange (system side)3 main Distribution FramesDifferent criteria need to be taken into account when planning a conditions4 main Distribution Frames1. Enough space ? Room dimensions: Height, Width, Depth2. Position/environmentRoom constitution ( computer/raised floor)Air conditioning ?Layout of the switching equipment positionFree selection or given ?5 main Distribution Frames3. Needed capacity on both line side and system sideTypically ratio of 1 : (system/line side)4. Sufficient total jumpering volumeTypically jumper diameter .. mm6 main Distribution Frames5. MDF configured asWall-secured(Line and system side vertical)Free-standing single-sided(Line and system side vertical)7 main Distribution FramesFree-standing double-sided(Line and system side vertical)Free-standing double-sided(Line side vertical, system side horizontal)8 main Distribution Frames6.

2 Main Distribution Frames • A Main Distribution Frame (MDF) is the interface between The subscriber cables coming from the local network (line side)

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