Huawei Switches Series S5720-28X-SI-24S-DC

Mô tả

S5720-28X-SI-24S-DC – Huawei S5700 Series Switches (24 Gig SFP,8 of which are dual-purpose 10/100/1000 or SFP,4 10 Gig SFP+,DC -48V,front access).

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: ±6 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)	3.3 kg (7.28 lb)
Stack ports	GE SFP optical ports except combo ports and 10GE SFP+ optical ports
RTC	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)	42.7 W
Typical power consumption (30% of traffic load) Tested according to ATIS standard EEE enabled No PoE power consumption	30.3 W
Storage temperature	-40°C to +70°C (-40°F to +158°F)
Noise under normal temperature (27°C, sound power)	less than 43 dBA
Relative humidity	5% to 95%, noncondensing