S5720-28P-PWR-LI-AC Specification

Memory (RAM)

512 MB

Flash

240 MB

Mean time between failures (MTBF)

41 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 (W x D x H)

442.0 mm x 310.0 mm x 43.6 mm (17.4 in. x 12.2 in. x 1.72 in.)

Stack ports

Twenty-four 10/100/1000BASE-T ports and four 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)

• Without PoE: 40.4 W
• 100% PoE loads: 446.7 W (system power consumption: 77.1 W, PoE: 369.6 W)

Typical power consumption (30% of traffic load)

• Tested according to ATIS standard
• EEE enabled
• No PoE power consumption

26 W

Storage temperature

-40°C to +70°C (-40°F to +158°F)

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

less than 49.1 dBA

Relative humidity

5% to 95%, noncondensing

Operating altitude

0-5000 m (0-16404 ft.)