Huawei SmartAX MA5600T Hardware Description page 305

SmartAX MA5600T/MA5603T/MA5608T Multi-service
Access Module
Hardware Description
Working Principle
Figure 3-34 Working principle of the H801X2CS board
Backplane
Control
board
-48V
DC
power
The basic working principle of the H801X2CS board is as follows:
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Issue 24 (2018-07-30)
H801X2CS
Clock signal
Voltage required
Service
signal
The control module reports the status of and manufacturing information about the board,
and provides the interface information. The control module also manages the modules on
the board, and processes alarms.
The interface module provides two 10GE ports.
The synchronization Ethernet clock module extracts clock signals from the 10GE
signals, and synchronizes the 8 kHz clock of the control board with the clock signals.
The power module supplies power to other functional modules of the board.
The clock module provides clock signals for other functional modules of the board.
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2*10GE
Switching
module
Control
module
Synchronization
Ethernet clock
module
Power
Clock
module module
Clock required
by the board
by the board
Control Power
signal signal
3 Board
User side
Upper-layer
2*10GE
device or
cascading
device
Clock
signal
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