S2720-28TP-EI-AC Specification | |
Item | Description |
Memory (RAM) | 256 MB |
Flash | 200 MB |
Mean time between failures (MTBF) | 44.3 years |
Mean time to repair (MTTR) | 2 hours |
Availability | > 0.99999 |
Service port surge protection | Common mode: ±6 kV |
Power supply surge protection | ±6 kV in differential mode, ±6 kV in common mode |
Dimensions (H x W x D) | 43.6 mm x 442.0 mm x 220.0 mm (1.72 in. x 17.4 in. x 8.7 in.) |
Stack ports | Two uplink 1000BASE-X optical 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) | 15.7 W |
Typical power consumption (30% of traffic load) | 15.5 W |
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.) |
Certification |
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