Power Supply Unit Working Mode; Working Mode Of Dc Power Supply Units - Huawei Quidway S5300 Series Hardware Description

Quidway S5300 Series Ethernet Switches
Hardware Description
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.

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
Issue 01 (2011-01-30)
Power Supply Unit
250 W current -
sharing power
supply
500 W current -
sharing power
supply
250 W current 250 W current
sharing power sharing power
supply supply
500 W current 500 W current
sharing power sharing power
supply supply
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.
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).
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PoE Power
123.2 W
369.6 W
246.4 W
369.6 W
2 Power Supply Unit
Maximum Number of
Interfaces
l 802.3af: 8
l 802.3at: 4
l 802.3af: 24
l 802.3at: 12
l 802.3af: 16
l 802.3at: 8
l 802.3af: 24
l 802.3at: 12
2-3