Huawei SmartAX MA5600T Hardware Description page 349

SmartAX MA5600T/MA5603T/MA5608T Multi-service
Access Module
Hardware Description
Working Principle
Figure 3-50 Working principle of the H801SPUA board
Backplane
Adjacent
slot
Control
board
Control
board
-48V DC
power
The basic working principle of the H801SPUA board is as follows:
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Issue 24 (2018-07-30)
H801SPUA
10GE
GE
Voltage required
Service
signal
The control module loads the board software, controls the running of the board, and
manages the entire board.
The service processing module processes the upstream services and data packets of the
services.
The daughter board module supports the route table query, multi-level traffic
management, and hierarchical scheduling.
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 processing module
10GE
Control
module
Power
module
Clock required
by the board
by the board
Control Power
signal signal
10GE
GE
TCAM
interface
Daughter
board
Clock
module
Clock
signal
3 Board
User side
Upper-
layer
device or
cascading
device
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