Huawei S2720 Series Hardware Description page 38

S2720&S2750 Series Ethernet Switches
Hardware Description
Item
Temper
ature
Noise under normal
temperature (27°C,
sound power)
Relative humidity
Operating altitude
EMC
Environmental
standards
Issue 08 (2015-02-12)
Description
Operatin -5°C to +50°C (at an altitude of 0 m to 1800 m)
g
NOTE
temperat
When the altitude is between 1800 m and 5000 m, the highest operating
ure
temperature reduces 1°C every time the altitude increases 220 m.
Storage -40°C to +70°C
temperat
ure
l S2750-28TP-EI-AC: 0 (The device has no fans.)
l S2750-20TP-PWR-EI-AC: less than 52 dBA
l S2750-28TP-PWR-EI-AC: less than 52 dBA
l S2751-28TP-PWR-EI-AC: 0 (The device has no fans.)
l S2720-28TP-EI-AC: 0 (The device has no fans.)
5% RH to 95% RH, noncondensing
l S2750-28TP-EI-AC: 0 m to 5000 m
l S2750-20TP-PWR-EI-AC: 0 m to 5000 m
l S2750-28TP-PWR-EI-AC: 0 m to 5000 m
l S2751-28TP-PWR-EI-AC: 0 m to 2000 m
l S2720-28TP-EI-AC: 0 m to 5000 m
l CISPR22 Class A
l CISPR24
l EN55022 Class A
l EN50024
l ETSI EN 300 386 Class A
l CFR 47 FCC Part 15 Class A
l ICES 003 Class A
l AS/NZS CISPR22 Class A
l IEC61000-4-2
l ITU-T K 20
l ITU-T K 44
l RoHS
l REACH
l WEEE
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