and then to the control board. After being processed by the control board, the IP packets
are transmitted upstream to the upper level device through the optical or electrical port.
l In the downstream direction, the forwarding logic decapsulates the IP packets from the
backplane bus, performs CAR on the IP packets, reorganizes the IP packets into
ATM/PTM packets, and transmits the ATM/PTM packets to the interface module. The
interface module converts the ATM/PTM packets into analog signals and then transmits
the signals to subscriber lines.
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.
709
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