| 摘要 |
A DSL modem ( 21 ) including a configurable digital transceiver ( 30 ) is disclosed. The digital transceiver ( 30 ) includes a configuration register ( 43 ), or other circuitry, that selects a number of analog transmission ports to be implemented in the modem ( 21 ). Instances of analog front-end circuitry ( 34 ) for each of the configured ports is also provided. According to the disclosed embodiments, the number of ports supported is scaled with the data rate for each port, and with the signaling bandwidth for each port, to maximize the efficiency of the transmission.
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