| 摘要 |
A network interface for home networking implemented upon an existing 4-wire (two-pair) phone line system is disclosed. The interface comprises two transmitters, two line isolators and a receiver. The two transmitters transmit data simultaneously to both of the pairs of wires in the phone line system so that all devices coupled to the phone line system, regardless which pair of wires being coupled onto, can receive the data. Because all the pairs carry the data, there is therefore needed one on receiver in the interface to receive the data transmitting over the phone line system. The disclosed interface provides a solution to the home networking which no longer requires the knowledge of the underlying wiring structure in the phone line system.
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