Huawei SmartAX MA5600T Hardware Description page 353

SmartAX MA5600T/MA5603T/MA5608T Multi-service
Access Module
Hardware Description
The basic working principle of the H801SPUB board is as follows:
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Issue 24 (2018-07-30)
The control module loads the board software, controls the running of the board, and
manages the entire board.
The service processing module processes the MPLS packets and the service data packets,
and forwards the service data packets.
The power module draws -48 V power from the backplane and converts the power into
working power for each functional module of the board.
The clock module provides clock signals for each functional module of the board.
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