Huawei SmartAX MA5600T Hardware Description page 776

Multiservice access module

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SmartAX MA5600T/MA5603T/MA5608T Multi-service

Access Module

Hardware Description

Issue 24 (2018-07-30)

In the upstream direction, the interface module transmits subscriber line signals to the

forwarding module. The forwarding module reorganizes the cell flow into ATM/PTM

packets, encapsulates the ATM/PTM packets into IP packets, and performs CAR on the

IP packets. Controlled by the logical switch, the IP packets are transmitted to the

backplane bus through the backplane interface.

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/PTM packets, and transmits the ATM/PTM packets to the interface module. The

interface module converts the ATM/PTM packets into analog signals and transmits the

signals to subscriber lines.

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