作者: Dieter H. Nattkemper , Kenneth Lee Walker , Robert S. Kroninger
DOI:
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摘要: A integrated access device in a communication network. The one embodiment includes network port, plurality of telephony ports, data port and circuit. is adapted to provide dynamic time division multiplex (TDM) interface ports are service subscriber premises equipment. digital line (DSL) circuit coupled the port. Moreover, carry voice signals between In addition, powered over