Huawei SmartAX MA5600T Hardware Description page 433

SmartAX MA5600T/MA5603T/MA5608T Multi-service
Access Module
Hardware Description
Working Principle
Figure 3-78 Working principle of the H802OPGE board
Backplane
Control
board
-48V
power
The basic working principle of the H802OPGE board is as follows:
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Issue 24 (2018-07-30)
H802OPGE
10GE/
20GE
20GE
DC
Service
signal
The control module controls the board software loading and board running, and manages
the board.
The interface module transmits and receives signals.
The service processing module processes Ethernet packets, processes and forwards
service data packets, and implements service flow management.
The power module supplies power to each functional module of the board.
The clock module provides the working clock for each functional module of the board,
and supports synchronous clock issuing.
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Service
Interface
processing
module
module
Control board
Clock
Power
module
module
Voltage required
Clock required
by the board
by the board
Control
signal
User side
48*GE/FE
Optical port
Power Clock
signal signal
3 Board
ONU
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