Power Supply Unit PoE Power Maximum Number of
Interfaces
250 W current
sharing power
supply
- 123.2 W
l 802.3af: 8
l 802.3at: 4
500 W current
sharing power
supply
- 369.6 W
l 802.3af: 24
l 802.3at: 12
250 W current
sharing power
supply
250 W current
sharing power
supply
246.4 W
l 802.3af: 16
l 802.3at: 8
500 W current
sharing power
supply
500 W current
sharing power
supply
369.6 W
l 802.3af: 24
l 802.3at: 12
NOTE
Current sharing indicates that the power of two power supply units can be accumulated for powered devices
(PDs). The power for the device cannot be accumulated.
When two power supply units are used, they work in redundancy backup mode to provide power for the
device and in load balancing mode to provide power for PDs.
Non-PoE Power Supply Configuration
On a non-PoE switch, one or two power supply units can be configured.
When two power supply units are used, they work in 1:1 backup mode to provide power for the
device.
NOTE
The power supply units of S5324TP-SI and S5348TP-SI are not hot swappable.
The S5324TP-SI and S5348TP-SI support redundancy power supply (RPS).
2.2 Power Supply Unit Working Mode
This section describes the working mode of S5300 power supply units.
2.2.1 Working Mode of DC Power Supply Units
2.2.2 Working Mode of Non-PoE AC Power Supply Units
2.2.3 Working Mode of PoE AC Power Supply Units
2.2.1 Working Mode of DC Power Supply Units
Quidway S5300 Series Ethernet Switches
Hardware Description 2 Power Supply Unit
Issue 01 (2011-01-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
2-3
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