Model

S6720-56C-PWH-SI-AC

Memory (RAM)

1 GB

Flash

512 MB in total. To view the available flash memory size, run the display version command.

Mean time between failures (MTBF)

23.9 years

Mean time to repair (MTTR)

2

Availability

> 0.99999

Service port surge protection

Common mode: ±6 kV

Power supply surge protection

Using 580 W AC or 1000 W AC power modules: ±6 kV in differential mode, ±6 kV in common mode

Using 650 W DC power modules: ±2 kV in differential mode, ±4 kV in common mode

Dimensions (H x W x D)

Basic dimensions (excluding the parts protruding from the body): 44.4 mm x 442.0 mm x 425.0 mm (1.75 in. x 17.4 in. x 16.73 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 451.3 mm (1.75 in. x 17.4 in. x 17.77 in.)

Weight (with packaging)

9.3 kg (20.5 lb)

Stack ports

Any MultiGE, 10GE SFP+, or 40GE QSFP+ ports (a maximum of 16 physical ports)

RTC

Supported

RPS

Not supported

PoE

Supported

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

-38.4 V DC to -72 V DC

Maximum power consumption (100% throughput, full speed of fans)

Using 650 W DC power modules or 580 W AC power modules

Not providing the PoE function: 120.5 W (without card)

100% PoE loads: 1068.1 W (system power consumption: 328.9 W, PoE: 739.2 W, without card)

Using 1000 W AC power modules

Not providing the PoE function: 120.5 W (without card)

100% PoE loads: 1995.4 W (system power consumption: 555.4 W, PoE: 1440 W, without card)

Typical power consumption (30% of traffic load, tested according to ATIS standard)

91.01 W (not providing the PoE function, without card)

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)

< 60.5 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