Huawei S5720-28P-LI-AC(24 Ethernet 10/100/1000 ports, 4 Gig SFP, AC power support, Overseas)

Weight (with packaging)	3.9 kg (8.6 lb)
Maximum power consumption (100% throughput)	27.9 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.). The operating temperature of the switch is 0C to 40C (32F to 104F) when it uses GE SFP optical modules with 40 km or longer transmission distances.
Products Status	New
Rated voltage range	100 V AC to 240 V AC, 50/60 Hz
Storage temperature	-40C to +70C (-40F to +158F)
Service port surge protection	Common mode: 7 kV
Power supply surge protection	6 kV in differential mode, 6 kV in common mode
PoE	Not supported
PN	98010768
Mean time to repair (MTTR)	2 hours
Memory (RAM)	512 MB
Availability	> 0.99999
Noise under normal temperature (27C, sound power)	Noise-free (no fans)
RPS	Supported
Flash	512 MB in total. To view the available flash memory size, run the display version command.
Relative humidity	5% to 95%, noncondensing
Operating altitude	0-5000 m (0-16404 ft.)
Model	S5720-28P-LI-AC
Dimensions (H x W x D)	Basic dimensions (excluding the parts protruding from the body): 43.6 mm x 442.0 mm x 224.8 mm (1.72 in. x 17.4 in. x 8.85 in.), Maximum dimensions (the depth is the distance from ports on the front panel to the parts protruding from the rear panel): 43.6 mm x 442.0 mm x 233.8 mm (1.72 in. x 17.4 in. x 9.21 in.)
RTC	Not supported
Certification	EMC certification, Safety certification, Manufacturing certification
Mean time between failures (MTBF)	45 years
Stack ports	Twenty-four 10/100/1000BASE-T ports and four 1000BASE-X ports
Warranty	1 Year
Brand	Huawei
Maximum voltage range	90 V AC to 264 V AC, 47 Hz to 63 Hz
Typical power consumption (30% of traffic load) Tested according to ATIS standard EEE enabled No PoE power consumption	19.6 W