Huawei FusionModule1000B V100R003C00 Commissioning Manual page 82

FusionModule1000B Water-Cooled IT Solution
Commissioning Guide
Port Name
(4) RS485_1
(5) USB Host
(6) RST
(7) SD
(8) SW1-4
Procedure
Step 1 Check the alarm indicator. If an alarm is displayed, clear the alarm before continuing the next
step.
Step 2 Verify the MDU configurations based on the PDC user manual.
During the MDU power-on commissioning, you are not allowed to modify the MDU initial
configurations unless you are authorized by onsite Huawei engineers.
Step 3 Enter a user name and password to access the MDU, set the user name, password, time, and
language, and check that the initial parameter settings are correct.
----End
Issue 02 (2017-01-10)
Port Description
Northbound serial port
connecting to the management
system when the Modbus
protocol is used
USB host port
Reset the MDU.
SD card slot
DIP switch
The ports are protected by a security mechanism.
For the setting method, see the PDC user manual.
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Copyright © Huawei Technologies Co., Ltd.
9 Commissioning Core Components
Remarks
The RS485 cable connected to
the port uses the RJ45 unshielded
connectors with the following
pins:

Pin 1: positive transmit end on
the MDU

Pin 2: negative transmit end
on the MDU

Pin 4: positive receive end on
the MDU

Pin 5: negative receive end on
the MDU
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