3Com 4210G manual Vdc

	Item			4210G 24-Port	4210G 48-Port		4210G PWR	4210G PWR
				4210G NT	4210G NT
							24-Port	48-Port
				24-Port	24-Port
Power socket				1 AC power socket and 1 RPS power socket
types and quantity				: The two power inputs can be simultaneously used, acting as
				backup for each other. Alternatively, you can use either power input.
		AC input	Rated voltage range: 100 VAC to 240 VAC, 50 Hz or 60 Hz
			Input voltage range: 90 VAC to 264 VAC, 47 Hz to 63 Hz
				Rated voltage range: 10.8 VDC to		Rated voltage range: –52 VDC to –55
Input				13.2 VDC		VDC
voltage		RPS		RPS500-A3 (+12 V/10.5 A output,		RPS1000-A3 (–54 V/25 A output,
				power cable 0404A03C)		power cable 0404A053)
		input
				: Please use the external RPS power supply units recommended
				by 3Com only.
				4210G 24-Port:	4210G 48-Port:
Static power				36 W	55 W		55 W	78 W
consumption				4210G NT	4210G NT
				24-Port: 35 W	48-Port: 54 W
								550 W when RPS is
								not connected, with
							495 W, with	180 W of system
				4210G 24-Port:	4210G 48-Port:			power consumption
							125 W of
Power								and 370 W of PoE
				103 W	145 W		system power
consumption (full								power
				4210G NT	4210G NT		consumption
load)								920 W when RPS is
				24-Port: 62 W	48-Port: 110 W		and 370 W of
								connected, with 180
							PoE power
								W of system power
								consumption and
								740 W of PoE power
Cooling system			Four fans for heat dissipation			Six fans for heat dissipation
Operating				0°C to 45°C (32°F to 113°F)
temperature
Relative humidity				10% to 90%
(noncondensing)

For details about the external RPS power supply units, see the RPS500-A3 User Manual and

RPS1000-A3 User Manual.

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