The VDEA board is a 32-channel VDSL2 service board with a built-in splitter. It provides 32-channels of VDSL over POTS services and supports line protection. The VDEA board can be installed in slots 0-6 and 9-15 of the MA5600 service shelf,or in slots 1-6 of the MA5603. External connections of the VDEA board: Working principles of the VDEA board： The basic working principles of the VDEA board are as follows: * The control module loads the board software, controls the running of the board, and manages the entire board. * The power module supplies power to each functional module of the board. * The clock module provides clock signals for each functional module of the board. * The SPL module separates the VDSL2 signals from the POTS signals. The services are processed as follows: * In the upstream direction, the interface module converts the VDSL2 line signals into a cell flow, aggregates the flow to the forwarding module, and then reassembles the cell flow i...
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