Huawei S5720-28X-SI-DC(24 Ethernet 10/100/1000 ports,4 of which are dual-purpose 10/100/1000 or SFP,4 10 Gig SFP+)

Weight (with packaging)	9.1 kg (20.06 lb)
Maximum power consumption (100% throughput, full speed of fans)	36.9 W
Operating temperature	0C to 45C (32F to 113F) at an altitude of 0-1800 m (0-5906 ft.), NOTE: When the altitude is 1800-5000 m (5906-16404 ft.), the highest operating temperature reduces by 1C (1.8F) every time the altitude increases by 220 m (722 ft.).
Products Status	New
Rated voltage range	100 V AC to 240 V AC, 50/60 Hz, -48 V DC to -60 V DC
Storage temperature	-40C to +70C (-40F to +158F)
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
PoE	Not supported
PN	02350NGU
Mean time to repair (MTTR)	2 hours
Memory (RAM)	512 MB
Availability	> 0.99999
Noise under normal temperature (27C, sound power)	< 52 dB(A)
RPS	Not supported
Flash	512 MB in total. To view the available flash memory size, run thedisplay versioncommand.
Relative humidity	5% to 95%, noncondensing
Operating altitude	AC power modules configured: 0-5000 m (0-16404 ft.), DC power modules configured: 0-2000 m (0-6562 ft.)
Model	S5720-28X-SI-DC
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.)
RTC	Supported
Certification	EMC certification, Safety certification, Manufacturing certification
Mean time between failures (MTBF)	82.4 years
Short-term operating temperature	-5C to +50C (23F to 122F) at an altitude of 0-1800 m (0-5906 ft.), NOTE: When the altitude is 1800-5000 m (5906-16404 ft.), the highest operating temperature reduces by 1C (1.8F) every time the altitude increases by 220 m (722 ft.). The equipment can operate beyond the normal operating temperature range for a short-term period, but the following conditions must be met: The equipment operates at a temperature of over 45C (113F) consecutively for at most 96 hours in one year. The equipment operates at a temperature of over 45C (113F) for a total of no more than 360 hours in one year. The equipment operates at a temperature of over 45C (113F) for no more in 15 times in one year. The equipment may be damaged or experience unexpected exceptions if any of the preceding limits is exceeded. The equipment cannot start when the temperature is lower than 0C (32F). The maximum distance of optical modules used in these conditions cannot exceed 10 km.
Wide [mm]	442.0mm
Stack ports	GE electrical ports and 10GE SFP+ optical ports except combo ports on the front panel
Warranty	1 Year
Brand	Huawei
Height [mm]	44.4 mm
Maximum voltage range	90 V AC to 264 V AC, 47 Hz to 63 Hz, -36 V DC to -72 V DC
Typical power consumption (30% of traffic load) Tested according to ATIS standard EEE enabled No PoE power consumption	22.5 W
Depth [mm]	424.7mm