Model

S5720-28X-PWR-LI-ACF

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)

41 years

Mean time to repair (MTTR)

2

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 314.9 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 323.9 mm (1.72 in. x 17.4 in. x 12.75 in.)

Weight (with packaging)

5.9 kg (13.01 lb)

Stack ports

Twenty-four 10/100/1000BASE-T ports and four 10G SFP+ ports

RTC

Not supported

RPS

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: 45 W

100% PoE loads: 984 W (PoE: 739.2 W)

Typical power consumption (30% of traffic load)

·         Tested according to ATIS standard

·         EEE enabled

No PoE power consumption

33 W

Operating temperature

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

Short-term operating temperature

-5°C to +55°C (23°F to 131°F) at an altitude of 0-1800 m (0-5906 ft.)

Storage temperature

-40°C to +70°C (-40°F to +158°F)

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

< 59.1 dB(A)

Relative humidity

5% to 95%, noncondensing

Operating altitude

0-5000 m (0-16404 ft.)

Certification

EMC certification

Safety certification

Manufacturing certification