3Com Baseline Switch 2900 Series Getting Started Manual page 8

3Com
Baseline
Item
Switch
2920-SFP
Plus
Rated voltage range: 100 VAC to 240 VAC, 50 Hz or 60 Hz
AC
Maximum voltage range: 90 VAC to 264 VAC, 47 Hz or 63 Hz
Inp
ut
volt
RP
ag
S —
e
DC
Supported
—
RPS unit
Power
consumpti
11.9W
on
Power
consumpti
on (full 22.4 W
configurati
on)
Operating
temperatu 0°C to 45°C (32°F to 113°F)
re
Operating
humidity
10% to 90%
(nonconde
nsing)
Description
3Com 3Com
Baseline Baseline
Switch Switch
2928-SFP 2952-SFP
Plus Plus
13.4W 25.7W
31.5 W 55.4 W
1-2
3Com 3Com
Baseline Baseline
Switch Switch
2928-PWR 2928-HPWR
Plus Plus
Use the
external RPS
unit provided
by 3Com only,
with the rated
voltage
ranging from
–52 VDC to
–55 VDC
RPS1000-A3
AC: 45.6W
25.0W
DC: 27.5W
AC power
input: 523 W
(158 W for
system power
consumption
255 W (85 W
and 365 W for
for system
PoE power
power
consumption)
consumption
DC power
and 170 W for
input: 832 W
PoE power
(92 W for
consumption)
system power
consumption
and 740 W for
PoE power
consumption)