Digital subscriber line arrangement
OwnerJussi Autere, Sylvain Lusettiinventors
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Abstract
This invention relates to digital subscriber line arrangements. The invention divides the functionality of an xDSL-DSLAM device into two separate parts: a subunit and upper unit. The subunit contains xDSL line cards for copper pair lines to downstream and a multiplexer for multiplexing the transmission channels of the pair lines to an upstream transmission line. The upper unit contains a CPU, which handles, for example, management and security tasks, a router for routing messages between the channels of a backbone (trunk) network and subscriber lines, and an internal bus for connecting the equipment of the upper unit.
Claims21
An arrangement of a digital subscriber line access multiplexer, comprising a CPU, a multiplexer, at least one digital subscriber line card, a router, and a data bus, the arrangement divided into two parts, the first part including the CPU, the router, and the data bus, and the second part including at least one digital subscriber line card and the multiplexer, a transmission link connecting the first part and the second part.
Dependencies are inferred from the claim text.