4.1.2.1 Replacing an MDU
Prerequisites
● Tools: Phillips screwdriver, key to the cabinet door
● Materials: a new and intact MDU
● The MDU can be replaced online without cutting o the power supply to
the SmartLi.
● Before the replacement, ensure that the load services are not
aected or
obtain written consent from the customer.
Procedure
Step 1 Export the monitoring conguration of the SmartLi.
If the MDU is damaged and the WebUI is still operational, you can export the MDU
conguration on the WebUI. Skip this step if both the MDU and WebUI are not operational.
Step 2 Remove the communications cable from the MDU and mark the connection
position
Step 3 Remove the four screws from the MDU using the Phillips screwdriver and set them
aside.
Step 4 Hold the MDU front panel by one hand, and push out the MDU from the fastener
on the front panel by the other hand.
Step 5 Install the new MDU and secure it.
Step 6 Reinstall the communications cable to the new MDU.
Step 7 Upload the software package and click Activate All.
Step 8 Set parameters.
● Method 1: Power on the MDU, tap Settings on the home screen of the LCD,
and enter the initial password to log in. Tap System Settings and set
parameters as required.
● Method 2: Import the conguration le. On the MDU home screen, choose
Maintenance > USB Operations and select Load Cong.
----End
4.1.2.2 Replacing a BCU
Prerequisites
● Tools: Phillips screwdriver, key to the cabinet door
FusionDC1000A Prefabricated All-in-One Data
Center
Maintenance Guide (IT Scenario) 4 Parts Replacement
Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd. 52