Huawei Quidway S5328C-EI Hardware Description

Figure 2-1 Working mode of DC power supply units
PWR1
NEG RTN
Motherboard
GND12V
PWR2
NEG RTN
NEG: Power cable RTN: Ground cable GND: Grounding
After the DC power is transmitted to the PWR module, the PWR module outputs 12 V voltage,
and then the motherboard provides power for the entire device.
2.2.2 Working Mode of Non-PoE AC Power Supply Units
The working mode of the S5300 non-PoE AC power supply units is shown in Figure 2-2.
Figure 2-2 Working mode of non-PoE AC power supply units
PWR1
L N
Motherboard
GND12V
PGND
PWR2
L N PGND
L: Live line
N: Neutral wire PGND: PGND cable GND: Grounding
After the DC power is transmitted to the PWR module, the PWR module outputs 12 V voltage,
and then the motherboard provides power for the entire device.
2.2.3 Working Mode of PoE AC Power Supply Units
The working mode of S5300 PoE AC power supply units is shown in Figure 2-3.
2 Power Supply Unit
Quidway S5300 Series Ethernet Switches
Hardware Description
2-4 Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Issue 01 (2011-01-30)

Huawei Quidway S5328C-EI Specifications

General

Brand	Huawei
Model	Quidway S5328C-EI
Category	Switch
Language	English