Ac Power Supply Units; Function Overview; Panel - Huawei S5700 Series Hardware Description

S5700&S5710 Series Ethernet Switches
Hardware Description
Table 2-6 Technical specifications of the 170 W DC power supply unit
Item
Dimensions (width x depth x height)
Weight
Rated input voltage range
Maximum input voltage range
Maximum input current
Maximum output current
Rated output voltage
Maximum output power
2.6 170 W AC Power Supply Units
This section describes the functions, appearance, switch, indicators, and technical specifications
of the S5700 170 W AC power supply unit.

2.6.1 Function Overview

170 W AC power supply units are used on S5700-28C-HI and S5700-28C-HI-24S. A power
supply unit provides +12 V AC power, and it has the following functions:
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Applications
Only S5700-28C-HI and S5700-28C-HI-24S support the 170 W AC power supply unit.

2.6.2 Panel

Figure 2-9
Issue 01 (2012-03-15)
EMC filtering and surge protection
Protection against reversed connection, input and output overcurrent, input and output
overvoltage, short circuit, and overtemperature
Various alarms, for example, the alarm triggered when there is no power input or output
shows the appearance of the 170 W AC power supply unit.
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Copyright © Huawei Technologies Co., Ltd.
S5700-28C-HI
60.0 mm x 195.4 mm x 40.0 mm
< 0.8 kg
-60 V DC to -48 V DC
-72 V DC to -36 V DC
6 A
14.2 A
12 V
170 W
2 Power Supply Unit
S5700-28C-HI-24S
35