Working Principle
Figure 3-79 Working principle of the H801AIUG board
The basic working principle of the H801AIUG board is as follows:
l The control module loads the board software, controls the running of the board, and
manages the entire board.
l The processing module controls the interconnection between the high speed backplane
bus and the interface module.
l The interface module manages the connections, resources, and ATM switching of the
ATM layer. The interface module also provides external ports.
l The power module supplies power to each functional module of the board.
l The clock module provides clock signals for each functional module of the board.
The service process is as follows:
l In the upstream direction, the daughter board transmits the service data from the ATM
network to the interface module. The interface module performs ATM switching, that is,
VPI/VCI conversion, and then transmits the service data to the processing module. The
SmartAX MA5600T/MA5603T/MA5608T Multi-service
Access Module
Hardware Description
3 Board
Issue 24 (2018-07-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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