Quidway new cheap S5700series reverse poe gigabit ethernet switch S5720S-52X-PWR-LI-AC school/hospital/marketo use router switch

Memory (RAM)

**2 MB

Flash

**0 MB

Mean time between failures (MTBF)

*8 years

Mean time to repair (MTTR)

2 hours

Availability

> 0.****9

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)

**2.0 mm x**0.0 mm x *3.6 mm (*7.4 in. x 8.7 in. x 1.*2 in.)

Weight

5.9kg 

Stack ports

Forty-eight *0/**0/***0BASE-T ports and four ***0BASE-X ports

RTC

Not supported

RPS

Not supported

PoE

supported

Rated voltage range

**0 V AC to **0 V AC, *0/*0 Hz

Maximum voltage range

*0 V AC to **4 V AC, *7 Hz to *3 Hz

Maximum power consumption (**0% throughput)

• Without PoE: *3.5 W
• **0% PoE loads: **4.3 W (system power consumption: *2.2 W, PoE: **9.6 W

Typical power consumption (*0% of traffic load)

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

*2W

Operating temperature

0°C to *5°C (*2°F to **3°F) at an altitude of *****0 m (*****6 ft.)

NOTE:

When the altitude is ********0 m (*********4 ft.), the highest operating temperature reduces by 1°C (1.8°F) every time the altitude increases by **0 m (**2 ft.).

The operating temperature of the switch is 0°C to *0°C (*2°F to **4°F) when it uses GE SFP optical modules with *0 km transmission distances.

Storage temperature

**0°C to **0°C (**0°F to ***8°F)

Noise under normal temperature (*7°C, sound power)

Noise-free (no fans)

Relative humidity

5% to *5%, noncondensing

Operating altitude

*****0 m (******4 ft.)