| 摘要 |
A plurality of telecommunications lines is received by a connector on a motherboard. Each connector supports a plurality of removable and replaceable modules, and each module can receive at least two telephone or other electronic data communications lines. Each module has a first layer and a second layer of electronic signal receiving ports, and a first and second circuit board to precondition a signal before it is sent to or from the motherboard. The motherboard communicates with external devices by signals received and sent through the telecommunications lines received by the electronic signal receiving ports. Each of the individual modules can be easily removed and replaced without requiring the removal of the connector from the motherboard.
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