About This Document - Huawei ETP48400-C9A2 User Manual

ETP48400-C9A2 Embedded Power
User Manual
Purpose
This document describes the DC power system in terms of product overview, components,
installation, commissioning, and maintenance. This document also describes operations for
the site monitoring unit (SMU) and rectifiers.
The figures provided in this document are for reference only.
Intended Audience
This document is intended for:
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Symbol Conventions
The symbols that may be found in this document are defined as follows.
Symbol
Issue 05 (2020-04-07)
Sales engineers
Technical support engineers
Maintenance engineers
Copyright © Huawei Technologies Co., Ltd.

About This Document

Description
Indicates a hazard with a high level of risk which, if not
avoided, will result in death or serious injury.
Indicates a hazard with a medium level of risk which, if not
avoided, could result in death or serious injury.
Indicates a hazard with a low level of risk which, if not
avoided, could result in minor or moderate injury.
Indicates a potentially hazardous situation which, if not
avoided, could result in equipment damage, data loss,
performance deterioration, or unanticipated results.
NOTICE is used to address practices not related to personal
injury.
Supplements the important information in the main text.
NOTE is used to address information not related to personal
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