Description
| Memory (RAM) | 512 MB |
| Flash | 240 MB |
| Mean time between failures (MTBF) | 45 years |
| Mean time to repair (MTTR) | 2 hours |
| Availability | > 0.99999 |
| 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) | 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 kg (6.62 lb) |
| Stack ports | Twenty-four 10/100/1000BASE-T ports and four 10G SFP+ ports |
| RTC | Not supported |
| RPS | Supported |
| PoE | Not supported |
| Rated voltage range | 100 V AC to 240 V AC, 50/60 Hz |
| Maximum voltage range | 90 V AC to 264 V AC, 47 Hz to 63 Hz |
| Maximum power consumption (100% throughput, full speed of fans) | 29.5 W |
| Typical power consumption (30% of traffic load) | 21.4 W |
| Tested according to ATIS standard | 21.4 W |
| EEE enabled | 21.4 W |
| No PoE power consumption | 21.4 W |
| Storage temperature | -40°C to +70°C (-40°F to +158°F) |
| Noise under normal temperature (27°C, sound power) | less than 47 dBA |
| Operating altitude | 0-5000 m (0-16404 ft.) |
| Relative humidity | 5% to 95%, noncondensing |
| General Specification | S5720-28X-LI-AC – Huawei S5700 Series Switches Huawei S5720-28X-LI-AC (24 Ethernet 10/100/1000 ports,4 10 Gig SFP+,AC 110/220V) |