Huawei SmartAX MA5600T Hardware Description page 404

SmartAX MA5600T/MA5603T/MA5608T Multi-service
Access Module
Hardware Description
Working Principle
Figure 3-69 Working principle of the H807GPBH board
Backplane
Control
board
-48V
DC
power
The basic working principle of the H807GPBH board is as follows:
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l
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Issue 24 (2018-07-30)
H807GPBH
20GE
Voltage required
Service
signal
The control module loads the board software, controls the running of the board, and
manages the board.
The switching module aggregates the signals from eight GPON ports.
The interface module converts between GPON signals and Ethernet packets.
The power module supplies power to other functional modules of the board.
The clock module provides the working clock for other functional modules of the board.
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Switching Interface
module module
Control board
Clock
Power
module
module
Clock required
by the board
by the board
Control Power
signal signal
3 Board
User side
8*GPON
ONU
Clock
signal
384