S2720-28TP-PWR-EI – Huawei S2720-EI Enterprise Switches

S2720-28TP-PWR-EI Specification

Item

Description

Memory (RAM)

512 MB

Flash

512 MB in total. To view the available flash memory size, run the display version command.

Mean time between failures (MTBF)

40 years

Mean time to repair (MTTR)

2 hours

Availability

> 0.99999

Service port surge protection

Common mode: ±7 kV

Power supply surge protection

±6 kV in differential mode, ± 6 kV in common mode

Dimensions (H x W x D)

• Basic dimensions (excluding the parts protruding from the body): 43.6 mm x 442.0 mm x 314.8 mm (1.72 in. x 17.4 in. x 12.39 in.)
• Maximum dimensions (the depth is the distance from ports on the front panel to the parts protruding from the rear panel): 43.6 mm x 442.0 mm x 323.8 mm (1.72 in. x 17.4 in. x 12.75 in.)

Stack ports

Two 1000BASE-X ports

RTC

Not supported

RPS

Not supported

PoE

Supported

Rated voltage range

100 V AC to 240 V AC, 50/60 Hz

Maximum voltage range

90 V AC to 264 V AC, 47 Hz to 63 Hz

Maximum power consumption (100% throughput, full speed of fans)

• Not providing the PoE function: 37.8 W
• 100% PoE loads: 444.9 W (system power consumption: 75.3 W, PoE: 369.6 W)

Typical power consumption (30% of traffic load)

25 W

Operating temperature

0°C to 45°C (32°F to 113°F) at an altitude of 0-1800 m (0-5906 ft.)

NOTE:

When the altitude is 1800-5000 m (5906-16404 ft.), the highest operating temperature reduces by 1°C (1.8°F) every time the altitude increases by 220 m (722 ft.).

Storage temperature

-40°C to +70°C (-40°F to +158°F)

Noise under normal temperature (27°C, sound power)

< 48.6 dB(A)

Relative humidity

5% to 95%, noncondensing

Operating altitude

0-5000 m (0-16404 ft.)

Certification

• EMC certification
• Safety certification
• Manufacturing certification