Huawei SmartAX MA5600T Hardware Description page 521

SmartAX MA5600T/MA5603T/MA5608T Multi-service
Access Module
Hardware Description
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Issue 24 (2018-07-30)
converts the packaged data into GE packets and transmits the packets to the control
board through the GE bus of the board. Then, the packets are transmitted upstream.
In the downstream direction, GE packets are transmitted from the control board to the
interface module of the H802DSRE board through the backplane bus. The GE packets
are decapsulated by the CPU module, processed by the ISDN service processing module,
and then converted into service data. The service data is transmitted to the subscriber
through the interface module.
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