Working Mode Of Non-Poe Ac Power Supply Units; Working Mode Of Poe Ac Power Supply Units; Figure 2-1 Working Mode Of Dc Power Supply Units; Figure 2-2 Working Mode Of Non-Poe Ac Power Supply Units - Huawei Quidway S5300 Series Hardware Description

2 Power Supply Unit

Figure 2-1 Working mode of DC power supply units

Motherboard
PWR1
NEG: Power cable
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 Working mode of non-PoE AC power supply units

Motherboard
PWR1
L: Live line
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
2-4
12V GND
PWR2
NEG RTN NEG RTN
RTN: Ground cable
12V GND
PWR2
L N PGND
N: Neutral wire
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Quidway S5300 Series Ethernet Switches
L N PGND
PGND: PGND cable
Hardware Description
GND: Grounding
Figure 2-2.
GND: Grounding
Figure 2-3.
Issue 01 (2011-01-30)