3com 4500G 快速安装指南
84
A
PPENDIX
B: T
ECHNICAL
S
PECIFICATIONS
Switch 4500G 48-Port
Physical Dimensions
Height: 44 mm (1.7 in.) x Width: 440 mm (17.3 in.) x
Depth: 274 mm (10.8 in.)
Depth: 274 mm (10.8 in.)
Weight: 4.7kg (10.9 lbs)
Environmental
Requirements
Requirements
Operating Temperature
0 ° to 40 °C (32 ° to 104 °F)
Storage Temperature
−10 ° to +70 °C (14 ° to 158 °F)
Operating Humidity
95% 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).
2.1, 2.2, 2.30, and 2.32. Operational testing: paras 2.1,
2.2, 2.30 and 2.13).
Safety
Agency Certifications
UL 60950-1, EN 60950-1, CSA 22.2 No. 60950-1,
IEC 60950-1.
IEC 60950-1.
EMC
Emissions
CISPR 22 Class A, EN55022 Class A, FCC Part 15
Subpart B Class A,
Subpart B Class A,
ICES-003 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
50/60Hz
Input Voltage
100–240 VAC
Current Rating
2.0A (amps) maximum