Controlled by the logical switch, the IP packets are transmitted to the backplane bus
through the backplane interface.
l In the downstream direction, the forwarding module decapsulates the IP packets from the
backplane bus, performs CAR on the IP packets, reorganizes the IP packets into ATM
packets, and transmits the ATM packets to the interface module. The interface module
converts the packets into analog signals and transmits the signals to subscriber lines.
Front Panel Port
xDSL
(0~31)
Connected the port to
the MDF or xDSL port of
the SPL
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.
544
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