Huawei SmartAX MA5600T Hardware Description page 374

SmartAX MA5600T/MA5603T/MA5608T Multi-service
Access Module
Hardware Description
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The service process is as follows:
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Issue 24 (2018-07-30)
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.
In the upstream direction, after passing the interface module, the GE signals from the
backplane are converted into the TDM frames. Then, the TDM frames are transmitted
upstream.
In the downstream direction, the interface module receives the signals from the TDM
line, and converts and encapsulates the signals into GE packets. After being transmitted
to the backplane bus through the service processing module, the GE packets are
transmitted to the control board. Then, the control board forwards the GE packets to the
related service boards.
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