Huawei SmartAX MA5600T Hardware Description page 356

SmartAX MA5600T/MA5603T/MA5608T Multi-service
Access Module
Hardware Description
Working Principle
Figure 3-52 Working principle of the H801SPUC board
Control
board
Adjacent
slot
-48V
power
The basic working principle of the H801SPUC board is as follows:
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Issue 24 (2018-07-30)
Backplane
H801SPUC
10GE/
20GE
20GE
DC
Service
signal
The control module loads the board software, controls the running of the board, and
manages the entire board.
The interface module receives signals and then transmits the signals.
The service processing module processes Ethernet packets, processes and forwards
service data packets, and implements service flow management.
The power module draws -48 V power from the backplane and converts the power into
working power for each functional module of the board.
The clock module provides clock signals for each functional module of the board.
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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
4*10GE
Optical port
40*GE
Optical port
Power Clock
signal signal
3 Board
Upper-
layer or
cascading
device
336