3Com Hub Switch User Manual


 
17
D
IMENSIONS
AND
S
TANDARDS
Dimensions and Operating Conditions Standards
Functional: ISO 8802/3
IEEE 802.3
Safety: UL 1950, EN 60950
CSA 22.2 #950
IEC 950
EMC: EN 55022 Class B
EN 50082-1
FCC Part 15 Class B
*
ICES-003 Class B
VCCI Class B
CNS 13438 Class A
Environmental: EN 60068 (IEC 68)
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 category 5)
complies with the Class A requirements.
*Refer to “Electromagnetic Compatibility” on page 30 for
conditions of operation.†
930g (2.1 lb)
228mm (9.12in.)
54mm
(2.1in.)
185mm (7.3in.)
33 VA
58 BThU/hr
power requirement
0 to 90%
(non-condensing)
humidity
0 to 40°C (32 to 105°F)
operating
temperature
3C16750_booklet.book Page 17 Tuesday, July 13, 1999 11:18 AM