1
Port Description
Copyright ©  Huawei Technologies Co., Ltd. 
2021. All rights reserved.
•
The information in this document is subject to change without notice. Every effort has been 
made in the preparation of this document to ensure accuracy of the contents, but all 
statements, information, and recommendations in this document do not constitute a warranty 
of any kind, express or implied.
•
Only qualified and trained electrical technicians are allowed to operate the device. Operators 
should understand the composition and working principles of the grid-tied PV power system 
and local standards.
•
Before installing the device, read the user manual carefully to get familiar with product 
information and safety precautions. Huawei shall not be liable for any consequences caused 
by the violation of the storage, transportation, installation, and operation regulations specified 
in this document and the user manual.
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Use insulated tools when installing the device. For personal safety, wear proper personal 
protective equipment (PPE).
1
Product Overview
Front View
(1) PV connection indicator
(2) Grid connection indicator
(3) Communication indicator
(4) Alarm/Maintenance
indicator
(5) Host panel cover
(6) Maintenance 
compartment