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A small business telephone systems may often include the following components: -The PBX’s internal switching network -Microcontroller or microcomputer for arbitrary data processing, control and logic -Logic cards, switching and control cards, power cards and related devices that facilitate PBX operation -Stations or telephone sets, sometimes called lines -Outside Telco trunks that deliver signals to (and carry them from) the PBX -Console or switchboard allows the operator to control incoming calls -Uninterruptible Power Supply (UPS) consisting of sensors, power switches and batteries -Interconnecting wiring -Cabinets, closets, vaults and other housings

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15y ago

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