3Com 4210G Series Getting Started Manual page 9

Item
Power socket
types and quantity
AC input
Input
voltage
RPS
input
Static power
consumption
Power
consumption (full
load)
Cooling system
Operating
temperature
Relative humidity
(noncondensing)
For details about the external RPS power supply units, see the RPS500-A3 User Manual and
RPS1000-A3 User Manual.
4210G 24-Port 4210G 48-Port
4210G NT
24-Port
1 AC power socket and 1 RPS power socket
: The two power inputs can be simultaneously used, acting as
backup for each other. Alternatively, you can use either power 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
13.2 VDC
RPS500-A3 (+12 V/10.5 A output,
power cable 0404A03C)
: Please use the external RPS power supply units recommended
by 3Com only.
4210G 24-Port: 4210G 48-Port:
36 W 55 W
4210G NT 4210G NT
24-Port: 35 W 48-Port: 54 W
4210G 24-Port: 4210G 48-Port:
103 W 145 W
4210G NT 4210G NT
24-Port: 62 W 48-Port: 110 W
Four fans for heat dissipation
0°C to 45°C (32°F to 113°F)
10% to 90%
4210G PWR
4210G NT
24-Port
24-Port
Rated voltage range: –52 VDC to –55
VDC
RPS1000-A3 (–54 V/25 A output,
power cable 0404A053)
55 W
495 W, with
125 W of
system power
consumption
and 370 W of
PoE power
Six fans for heat dissipation
1-2
4210G PWR
48-Port
78 W
550 W when RPS is
not connected, with
180 W of system
power consumption
and 370 W of PoE
power
920 W when RPS is
connected, with 180
W of system power
consumption and
740 W of PoE power