Install Guide

Table 17. Environmental parameters
Parameter Specifications
Operating temperature 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).
Operating humidity 5% to 85% (RH), non-condensing, continuously
● 5% to 90% (RH), non-condensing, short term
● Short term is </= 1% of operational hours per year.
Storage temperature 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)
Storage humidity 5% to 95%, non-condensing
Maximum thermal output 470 W = 1260 BTU/Hr
Maximum operational altitude 10,000 feet (3,048 meters)
Maximum non-operational altitude 39,370 feet (12,000 meters)
Shock Dell EMC Spec SV0115
Table 18. AC power requirements
Parameter Specifications
Power supply 100–240 VAC 50/60 Hz
Maximum current draw per switch 4.7A/3.9A at 100/120V AC 2.35A/1.95A at 200/240V AC
Maximum power consumption 370 Watts
Typical power consumption 200 Watts
Table 19. DC power requirements
Parameter Specifications
Minimum and maximum input voltage range −40.5V, –48V, -60V
Input power at full load
● −40.5V/970W −48V/930W −60V/ 950W, without fan
● −40.5V/980W −48V/940W −60V/ 960W, with fan
Input current at full load
● −40.5V/23.8A −48V/19.0A −60V/ 15.6A, without fan
● −40.5V/24.0A −48V/19.2A −60V/ 16.0A, with fan
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)
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Specifications