Technical Specifications; 170 W Ac Power Supply Units; Function Overview; Panel - Huawei Quidway S3700 Series Manual

Quidway S3700 Series Ethernet Switches
Hardware Description
Name

2.3.3 Technical Specifications

Table 2-2
Table 2-2 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

2.4 170 W AC Power Supply Units

This section describes the functions, appearance, switch, indicators, and technical specifications
of the S3700 170 W AC power supply unit.

2.4.1 Function Overview

170 W AC power supply units are used on S3700-26C-HI. A power supply unit provides +12
V AC power, and it has the following functions:
l
l
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2.4.2 Panel

Issue 02 (2011-11-21)
describes the technical specifications of the 170 W DC power supply unit.
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
NOTE
Only S3700-26C-HI support the 170 W AC power supply unit.
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Status
Off
S3700-26C-HI
195.4 mm x 60.0 mm x 40.0 mm
< 0.8 kg
-60 V DC to –48 V DC
-72 V to -36 V DC
6 A
14.2 A
12 V
170 W
2 Power Supply Unit
Description
The DC output power is out
of range.
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