2 Power Supply Unit
About This Chapter
This chapter describes the AC and DC power supply units of the S3300.
CAUTION
l Only the power supply units of the same power can be used on an S3300.
l Power off the S3300 before removing the power supply units. Do not operate the power
supply units when the S3300 is running.
l Before powering off the S3300, shut down all its power supply units.
2.1 Power Supply Configuration
This section describes the power supply configuration on the S3300.
2.2 Power Supply Unit Working Mode
This section describes the working mode of S3300 power supply units.
2.3 AC PoE Power Supply Units
This section describes the functions, appearance, switch, indicators, and technical specifications
of the S3300 AC PoE power supply unit.
Quidway S3300 Series Ethernet Switches
Hardware Description 2 Power Supply Unit
Issue 01 (2011-01-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
2-1
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