Dell PowerSwitch S4148U-ON Installation Manual - Page 44

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Table 17. Environmental parameters 
Parameter
Operating temperature
Operating humidity
Storage temperature
Storage humidity
Maximum thermal output
Maximum operational altitude
Maximum non-operational altitude
Shock
Table 18. AC power requirements 
Parameter
Power supply
Maximum current draw per switch
Maximum power consumption
Typical power consumption
Table 19. DC power requirements 
Parameter
Minimum and maximum input voltage range
Input power at full load
Input current at full load

IEEE standards

The S4100–ON Series (S4128F-ON, S4148F-ON, S4148FE-ON, S4128T-ON, S4148T-ON, and S4148U-ON) switch complies with
the following IEEE standards:
● 802.1ab (LLDP)
● 802.1ax (Layer 2)
● 802.1d, 802.1w, 802.1s, 802.1x (Mgmt/Security), 802.3x (Layer 2)
● 802.3 (1000BASE-KX)
● 802.3ba (40GbE and 100GbE ports)
44
Specifications
Specifications
S4128F-ON, S4148F-ON, S4148FE-ON, S4128T-ON, S4148T-
ON: 5° to 40°C (50°F to 104°F), continuously
● S4148U-ON: 5°C to 45°C (50°F to 113°F), continuously
● -5°C to 45°C (23°F to 113°F) short-term
● Short term is </= 1% of operational hours per year.
NOTE:
Reduce maximum temperature by 1°C/125 meters
(1°F/228 feet) above 950 meters (3,117 feet).
5% to 85% (RH), non-condensing, continuously
● 5% to 90% (RH), non-condensing, short term
● Short term is </= 1% of operational hours per year.
S4128F-ON, S4148F-ON, S4148FE-ON, S4128T-ON, S4148T-
ON: –40° to 65°C (–40°F to 149°F)
● S4148U-ON: –40° to 70°C (–40°F to 158°F)
5% to 95%, non-condensing
470 W = 1260 BTU/Hr
10,000 feet (3,048 meters)
39,370 feet (12,000 meters)
Dell Spec SV0115
Specifications
100–240 VAC 50/60 Hz
4.7A/3.9A at 100/120V AC 2.35A/1.95A at 200/240V AC
370 Watts
200 Watts
Specifications
−40.5V, –48V, -60V
● −40.5V/970W −48V/930W −60V/ 950W, without fan
● −40.5V/980W −48V/940W −60V/ 960W, with fan
● −40.5V/23.8A −48V/19.0A −60V/ 15.6A, without fan
● −40.5V/24.0A −48V/19.2A −60V/ 16.0A, with fan