| Item | Description |
| Model | S5720-36C-EI-AC |
| Port | 28 Ethernet 10/100/1000 ports, 4 of which are dual-purpose
10/100/1000 or SFP, 4 Gig SFP |
| Part number | 2359562 |
| Memory (RAM) | 2 GB |
| Flash | 512 MB in total. To view the available flash memory size, run the
display version command. |
| Mean time between failures (MTBF) | 80.05 years when no card is configured; 73.65 years when a 2-port
10GE SFP+ interface card is configured; 71.58 years when a 2-port
10GE RJ45 interface card is configured; 71.74 years when a stack
card is configured |
| Mean time to repair (MTTR) | 2 hours |
| Availability | > 0.99999 |
| Service port surge protection | Service ports on front panel: ±6 kV in common mode |
| Ports on the 2-port 10GE RJ45 rear interface card: ±2 kV in common
mode |
| 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 |
| Weight (with packaging) | 9.8 kg (21.61 lb) |
| Stack ports | Ports on the 2-port 10GE SFP+ rear interface card |
| Ports on the 2-port 10GE RJ45 rear interface card |
| Ports on the 2-port QSFP+ rear stack card |
| Rated voltage range | 100 V AC to 240 V AC, 50/60 Hz |
| -48 V DC to -60 V DC |
| Maximum voltage range | 90 V AC to 264 V AC, 47 Hz to 63 Hz |
| -36 V DC to -72 V DC |
| Maximum power consumption (100% throughput, full speed of fans) | 75.8 W |
| Typical power consumption (30% of traffic load) | 39.5 W (without subcard) |
| Tested according to ATIS standard | 47.28 W (with 2*10G optical subcards) |
| EEE enabled | 52.17 W (2*QSFP+ stack cards) |
| No PoE power consumption | 55.14 W (with 2*10G electrical subcards) |
| Operating temperature | 0°C to 45°C (32°F to 113°F) at an altitude of 0-1800 m (0-5906 ft.) |
| Short-term operating temperature | -5°C to +50°C (23°F to 122°F) at an altitude of 0-1800 m (0-5906
ft.) |
| Storage temperature | -40°C to +70°C (-40°F to +158°F) |
| Noise under normal temperature (27°C, sound power) | < 51.2 dB(A) |
| 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.) |
| Certification | EMC certification |
| Safety certification |
| Manufacturing certification |
| 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.) |