Model

S6720S-26Q-EI-24S-DC

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)

69.53 years

Mean time to repair (MTTR)

2

Availability

> 0.99999

Service port surge protection

NA

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

Dimensions (H x W x D)

Basic dimensions (excluding the parts protruding from the body): 44.4 mm x 442.0 mm x 222.3 mm (1.75 in. x 17.4 in. x 8.75 in.)

Maximum dimensions (the depth is the distance from ports on the front panel to the parts protruding from the rear panel): 44.4 mm x 442.0 mm x 250.0 mm (1.75 in. x 17.4 in. x 9.84 in.)

Weight (with packaging)

5.2 kg (11.47 lb)

Stack ports

Any 10GE SFP+ ports (a maximum of 16 physical ports)

Any 40GE QSFP+ ports (a maximum of 2 physical ports)

RTC

Supported

RPS

Not supported

PoE

Not 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

-36 V DC to -72 V DC

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

126.3 W

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

101.31 W

Operating temperature

0°C to 45°C (32°F to 113°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)

< 67.1 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