S5720-52X-LI-DC

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

±1 kV in differential mode, ±2 kV in common mode

Dimensions (W x D x H)

442.0 mm x 220.0 mm x 43.6 mm (17.4 in. x 8.7 in. x 1.72 in.)

Weight (including packaging materials)

3.5 kg (7.72 lb)

Stack ports

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

RTC

Not supported

RPS

Supported

PoE

Not supported

Rated voltage range

-48 V DC to -60 V DC

Maximum voltage range

-36 V DC to -72 V DC

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

51.6 W

Typical power consumption (30% of traffic load)

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

33.1 W

Storage temperature

-40°C to +70°C (-40°F to +158°F)

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

less than 44.5 dBA

Relative humidity

5% to 95%, noncondensing

Operating altitude

0-5000 m (0-16404 ft.)