3com 4400 (3C17204) 用户手册
80
A
PPENDIX
C: T
ECHNICAL
S
PECIFICATIONS
Switch 4400
(48-port)
(48-port)
Physical Dimensions
Height: 44 mm (1.7 in.) x Width: 440 mm (17.3 in.) x Depth: 274 mm (10.8 in.)
Weight: 3.2 kg (7.1 lbs)
Weight: 3.2 kg (7.1 lbs)
Environmental Requirements
Operating Temperature
0 ° to 40 °C (32 ° to 104 °F)
Storage Temperature
–40 ° to +70 °C (-40 ° to 158 °F)
Operating Humidity
10–95% relative humidity, non-condensing
Standards
EN60068 to 3Com schedule (Package testing: paras 2.1, 2.2, 2.30, and 2.32.
Operational testing: paras 2.1, 2.2, 2.30 and 2.13).
Operational testing: paras 2.1, 2.2, 2.30 and 2.13).
Safety
Agency Certifications
UL60950, EN60950, CSA 22.2 No. 60950, IEC 60950
EMC
Emissions
CISPR 22 Class A, EN55022 Class A, FCC Part 15 Subpart B Class A,
ICES-003 Class A, AS/NZS 3548 Class A, VCCI Class A,
EN61000-3-2, EN61000-3-3
Immunity
EN 55024
Heat Dissipation
80 watts maximum (275 BTU/hour maximum)
Power Supply
AC Line Frequency
50/60 Hz
Input Voltage Options
90–240 VAC
Current Rating
2.3 A (amps)(maximum)
DUA1720-3AAA07.book Page 80 Wednesday, March 17, 2004 1:14 PM