The basic working principle of the H801BIUA board is as follows:
l The control module loads the board software, controls the running of the software, and
manages the entire board.
l The BITS clock processing module selects the mode and separates the two channels of
input BITS clock signals, restores the clock for 2 Mbit/s signals, shapes the 2 MHz
signals, and outputs one channel of 2 Mbit/s or 2 MHz clock signals.
l The stratum-3 clock daughter board module provides the stratum-3 system clock with the
accuracy of ±4.6 ppm.
l The clock module provides clock signals for each functional module of the board.
l The power module supplies power to each functional module of the board.
Front Panel Port
2 MHz or 2 Mbit/s
BITS signals
input port
2 MHz or 2 Mbit/s
BITS signals
output port
Reserved
Connected to
the clock source
Connected to
the lower clock
Indicator
Indicato
r
Name Color Status Meaning
RUN Running
status
indicator
Green Blinking slowly (on
for 1 s and off for 1 s
repeatedly)
The board works in the
normal state
Green Blinking quickly (on
for 0.25 s and off for
0.25 s repeatedly)
The board is starting up
SmartAX MA5600T/MA5603T/MA5608T Multi-service
Access Module
Hardware Description
3 Board
Issue 24 (2018-07-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
298
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