S5720-36C-EI-28S-AC Gigabit LAN Switches S5720-EI Series Enhanced 28 Gigabit downlink Port with 4 10 Gig SFP+
Quantity(pieces) | 1 - 5 | 6 - 20 | >20 |
Est. Time(days) | 2 | 7 | To be negotiated |
Memory (RAM) | 512 MB |
Flash | 240 MB |
Mean time between failures (MTBF) | 23.8 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 mm x 220 mm x 43.6 mm (9.8 in. x 7.1 in. x 1.72 in.) |
Weight (including packaging materials) | 4.4 kg (3.97 lb) |
Stack ports | Eight 10/100/1000BASE-T ports and two 1000BASE-X ports |
RTC | Not supported |
RPS | Not 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) | 12.85 W |
Typical power consumption (30% of traffic load)
| 10.39 W |
Operating temperature | 0°C to 45°C (32°F to 113°F) at an altitude of 0-1800 m (0-5096 ft.) NOTE: When the altitude is 1800-5000 m (5096-16404 ft.), the highest operating temperature reduces by 1°C (1.8°F) every time the altitude increases by 220 m (722 ft.). The operating temperature of the switch is 0°C to 40°C (32°F to 104°F) when it uses GE SFP optical modules with 40 km transmission distances. |
Storage temperature | -40°C to +70°C (-40°F to +158°F) |
Noise under normal temperature (27°C, sound power) | Noise-free (no fans) |
Relative humidity | 5% to 95%, noncondensing |
Operating altitude | 0-5000 m (0-16404 ft.) |