Huawei SmartAX MA5600T Hardware Description page 553

Multiservice access module

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SmartAX MA5600T/MA5603T/MA5608T Multi-service

Access Module

Hardware Description

Working Principle

Figure 3-104 Working principle of the H808ADLE board

The basic working principle of the H808ADLE board is as follows:

Issue 24 (2018-07-30)

Voltage required

by the board

The control module loads the board software, controls the running of the board, and

manages the board.

The protection module protects and isolates the board from lightning strikes. The DC

block isolates the direct current. The protector protects the high voltage.

The splitter in the interface module separates ADSL2+ signals and POTS signals from

ADSL2+ over POTS signals sent by the ATU-R. The interface module converts

ADSL2+ signals into cell flows, aggregates the cell flows to the forwarding module, and

then reassembles the cell flows into ATM packets. The POTS signals are transmitted to

the PSTN device through the PSTN port. In the opposite direction, the splitter in the

interface module combines the ADSL2+ signals from the forwarding module and the

POTS signals from the PSTN device into ADSL2+ over POTS signals. Such signals are

transmitted to the ATU-R through the LINE port.

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Forwarding module

Protection module

Clock required

by the board

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