Model

S5720-28P-SI-AC

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)

85.48 years

Mean time to repair (MTTR)

2

Availability

> 0.99999

Service port surge protection

Common mode: ±6 kV

Power supply surge protection

Using AC power modules: ±6 kV in differential mode, ±6 kV in common mode

Using DC power modules: ±1 kV in differential mode, ±2 kV in common mode

Dimensions (H x W x D)

Basic dimensions (excluding the parts protruding from the body): 44.4 mm x 442.0 mm x 424.7 mm (1.75 in. x 17.4 in. x 16.72 in.)

Maximum dimensions (the depth is the distance from ports on the front panel to the handle on the rear panel): 44.4 mm x 442.0 mm x 451.8 mm (1.75 in. x 17.4 in. x 17.79 in.)

Weight (with packaging)

9.1 kg (20.06 lb)

Stack ports

GE electrical ports and GE SFP optical ports except combo ports on the front panel

RTC

Supported

RPS

Supported

PoE

Not 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)

27.9 W

Typical power consumption (30% of traffic load)

·         Tested according to ATIS standard

·         EEE enabled

No PoE power consumption

19.6 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 +50°C (23°F to 122°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)

Noise-free (no fans)

Relative humidity

5% to 95%, noncondensing

Operating altitude

0-5000 m (0-16404 ft.)

Certification

EMC certification

Safety certification

Manufacturing certification