Model

S1720-28GWR-4P

Part Number

98010580

Description

S1720-28GWR-4P (24 Ethernet 10/100/1000 ports, 4 Gig SFP, AC 110/220V)

Dimensions without packaging (H x W x D) [mm(in.)]

Basic dimensions (excluding the parts protruding from the body): 43.6 mm x 442.0 mm x 224.8 mm (1.72 in. x 17.4 in. x 8.85 in.)

Maximum dimensions (the depth is the distance from ports on the front panel to the parts protruding from the rear panel): 43.6 mm x 442.0 mm x 233.8 mm (1.72 in. x 17.4 in. x 9.20 in.)

Chassis height [U]

1

Chassis material

Metal

Weight with packaging [kg(lb)]

3.9

Typical power consumption [W]

16.1

Typical heat dissipation [BTU/hour]

54.93

Maximum power consumption [W]

20.2

Maximum heat dissipation [BTU/hour]

68.92

Static power consumption

9.0

MTBF [years]

45

MTTR [hours]

2

Availability

> 0.99999

Noise at normal temperature (acoustic power) [dB(A)]

Noise-free (no fans)

Noise at normal temperature (acoustic pressure) [dB(A)]

Noise-free (no fans)

Number of card slots

0

Number of power slots

0

Number of fans modules

0

Redundant power supply

Not supported

Long-term operating temperature [°C(°F)]

0°C to 45°C (32°F to 113°F) at an altitude of 0-1800 m (0-5906 ft.)

Short-term operating temperature [°C(°F)]

-5°C to +50°C (23°F to 122°F) at an altitude of 0-1800 m (0-5906 ft.)

Restriction on the operating temperature variation rate [°C(°F)]

When the altitude is 1800-5000 m (5906-16404 ft.), the highest operating temperature reduces by 1°C (1.8°F) every time the altitude increases by 220 m (722 ft.).

The operating temperature of the switch is 0°C to 40°C (32°F to 104°F) when it uses GE SFP optical modules with 40 km transmission distance.

The equipment can operate beyond the normal operating temperature range for a short-term period, but the following conditions must be met:

- The equipment operates at a temperature of over 45°C (113°F) consecutively for at most 96 hours in one year.

- The equipment operates at a temperature of over 45°C (113°F) for a total of no more than 360 hours in one year.

- The equipment operates at a temperature of over 45°C (113°F) for no more in 15 times in one year.

The equipment may be damaged or experience unexpected exceptions if any of the preceding limits is exceeded.

The equipment cannot start when the temperature is lower than 0°C (32°F). The maximum distance of optical modules used in these conditions cannot exceed 10 km.

Storage temperature [°C(°F)]

-40°C to +70°C (-40°F to +158°F)

Long-term operating relative humidity [RH]

5% to 95%, noncondensing

Long-term operating altitude [m(ft.)]

0-5000 m (0-16404 ft.)

Storage altitude [m(ft.)]

0-5000 m (0-16404 ft.)

Power supply mode

AC built-in

Rated input voltage [V]

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

Input voltage range [V]

90 V AC to 264 V AC, 47 Hz to 63 Hz

Maximum input current [A]

0.8 A

Memory

512 MB

Flash memory

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

Console port

Not supported

Eth Management port

Not supported

USB

Not supported

RTC

Not supported

RPS input

Not supported

Service port surge protection [kV]

Common mode: ±7 kV

Power supply surge protection [kV]

±6 kV in differential mode, ±6 kV in common mode

Ingress protection level (dustproof/waterproof)

IP20

Types of fans

None

Heat dissipation mode

Natural heat dissipation without fans

Airflow direction

-

PoE

Not supported

Certification

EMC certification

Safety certification

Manufacturing certification