Introduction; Configuration And Operation Modes Of The Power Supplies - Huawei Quidway S9300 Hardware Description

3 Power Supply

3.1 Introduction

This section provides an overview of the AC power supply and DC power supply of the
S9300.
l Do not install DC power supply and AC power supply on the same S9300.
l Power off the S9300 before removing the power supplies.
l Do not operate the power supplies when the equipment is running.
l When powering off the S9300, shut down all the power supplies of the S9300.

3.1.1 Configuration and Operation Modes of the Power Supplies

3.1.2 Power Supply Principle
3.1.1 Configuration and Operation Modes of the Power Supplies
S9312
The power supplies are located in the PWR1 to PWR4 slots of the S9312. The DC power supplies
and AC power supplies are supported. PWR1 and PWR2 are in area A, and PWR3 and PWR4
are in area B. Area A and area B work in backup mode, as shown in
PWR2 work in load balancing mode. PWR3 and PWR4 work in load balancing mode.
The DC power supply and the AC power supply cannot be located in the same area.
3-2
CAUTION
NOTE
This section describes the configuration of the power supplies that ensure the normal operation of the
S9300.
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Quidway S9300 Terabit Routing Switch
Hardware Description
Figure 3-1. PWR1 and
Issue 01 (2010-12-15)