3Com SuperStack II Switch 3300, Руководство пользователя

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C
T
ECHNICAL
S
PECIFICATIONS
Physical Dimensions Height: 76mm (3.0 in.) x Width: 483mm (19.0 in.) x Depth 300mm (12.0 in.)
Weight: 4kg (8.8lbs)
Environmental Requirements
Operating Temperature 0° to 50°C (32° to 122°F)
Storage Temperature –10° to +70°C (14° to 158°F)
Operating Humidity 10–95% relative humidity, non-condensing
Standards EN60068 (IEC68)
Safety
Agency Certifications UL 1950, EN60950, CSA 22.2 No. 950, IEC950, IEC 825-1, EN60825-1
EMC
Emissions EN55022 Class B*, FCC Part 15 subpart B Class A, ICES-003 Class A, VCCI Class
B*, AS/NZS 3548 Class B*, CNS 13438 Class A
* Category 5 screened cables must be used to ensure compliance with the class
B requirements of this standard. The use of unscreened cables (category 3 or 5
for 10BASE-T ports or category 5 for 100BASE-TX ports) complies with the class
A requirements.
Immunity EN50082-1
Heat Dissipation 171 watts maximum (583 BTU/hour maximum)
Power Supply
AC Line Frequency 50/60Hz
Input Voltage Options 90–240 VAC
Current Rating 3amps (maximum)
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16982ug1.bk Page 45 Thursday, April 29, 1999 4:51 PM