3com 3C16980 User Manual

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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, IEC 950
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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16980ua.bk  Page 43  Friday, April 30, 1999  9:03 AM