Model

S5731S-H24T4S-A

Memory (RAM)

4 GB

Flash

1 GB in total. To view the available flash memory size, run the display version command.

Mean time between failures (MTBF)

57.73 years

Mean time to repair (MTTR)

2 hours

Availability

> 0.99999

Service port surge protection

Common mode: ±6 kV

Power supply surge protection

Using AC power modules: ±6 kV in differential mode, ±6 kV in common mode

Using 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): 43.6 mm x 442.0 mm x 420.0 mm (1.72 in. x 17.4 in. x 16.5 in.)

Maximum dimensions (the depth is the distance from ports on the front panel to the handle on the rear panel): 43.6 mm x 442.0 mm x 448.0 mm (1.72 in. x 17.4 in. x 17.7 in.)

Weight (with packaging)

9.35 kg (20.61 lb)

Stack ports

1000BASE-X ports on the front panel

RTC

Supported

RPS

Not supported

PoE

Not supported

Rated voltage range

AC input: 100 V AC to 240 V AC, 50/60 Hz

High-Voltage DC input: 240 V DC

DC input: -48 V DC to -60 V DC

Maximum voltage range

AC input: 90 V AC to 290 V AC, 45 Hz to 65 Hz

High-Voltage DC input: 190 V DC to 290 V DC

DC input: -38.4 V DC to -72 V DC

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

91 W

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

70 W

Storage temperature

-40°C to +70°C (-40°F to +158°F)

Noise under normal temperature (27°C, sound power)

< 57.5 dB(A)

Relative humidity

5% to 95%, noncondensing

Operating altitude

0-5000 m (0-16404 ft.)

Certification

EMC certification

Safety certification

Manufacturing certification