| 摘要 |
A switchable transmission device for the VDSL CO/CPE circuit is disclosed. A new hybrid filtering means is used to integrate a CO transmission set and a CPE transmission set into a single device. A switching unit is in charge of switching the functions. A VDSL controlling unit of the preferred embodiment operates the integration of the filtering function between the CO or the CPE transmission sets, and a CO/CPE circuit switching unit operates the circuit switching. After that, the filtered signal is transmitted to an output circuit filtering unit, and outputted via a communication port connect unit subsequently. Furthermore, a status displaying unit displays the operation status of the device. The switchable transmission device for the VDSL CO/CPE circuit can efficiently combine the LANs through existed telephonic copper wires.
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