Huawei SmartAX MA5600T Hardware Description page 340

SmartAX MA5600T/MA5603T/MA5608T Multi-service
Access Module
Hardware Description
The basic working principle of the H801MPWD board is as follows:
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Front Panel Ports
battery input
Indicator
Indicato
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AC IN
Issue 24 (2018-07-30)
AC input power is supplied to the board. After AC/DC conversion, the power is supplied
to the system backplane at -48 V (adjustable).
The board supports battery input. The monitoring unit manages the charging and
discharging of batteries.
The board communicates with the system through the backplane, reporting board
hardware and electronic label information to the backplane.
The board supports communication with the monitoring unit through the 485 protocol to
adjust voltage and current and report alarm information.
The monitoring unit manages lead-acid batteries.
The optical coupler implements the battery low voltage disconnection function.
The board provides power distribution checking and alarm reporting functions.
AC input
port
port
Name Color
AC input Green
indicator
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Connected to
the AC power
system
Connected to the
battery(supports
batteries only)
Sensor port
Connected to the
battery temperature
sensor
Status
On
3 Board
Meaning
Indicates that the AC input
power is normal
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