3com 8 Manual Do Utilizador
25
D
IMENSIONS
AND
S
TANDARDS
Dimensions and Operating Conditions
Standards
Functional:
ISO 8802/3
IEEE 802.3
IEEE 802.3
Safety:
UL 1950, EN 60950
CSA 22.2 #950
IEC 950
CSA 22.2 #950
IEC 950
EMC:
EN 55022 Class B
†
EN 50082-1
FCC Part 15 Class B
FCC Part 15 Class B
†
*
ICES-003 Class B
VCCI 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.
The use of unscreened cables (category 3 or category 5)
complies with the Class A requirements.
*Refer to “Electromagnetic Compatibility” on page 38 for
conditions of operation.†
conditions of operation.†
Power
Weight
OfficeConnect Ethernet Hub 4
4 VA, 14 BThU/hr
500g (1.1 lb)
OfficeConnect Ethernet Hub 4C
12 VA, 40 BThU/hr
550g (1.2 lb)
OfficeConnect Ethernet Hub 8
11 VA, 38 BThU/hr
500g (1.1 lb)
OfficeConnect Ethernet Hub 8C
12 VA, 40 BThU/hr
550g (1.2 lb)
225mm (9in.)
35.8mm
(1.4in.)
135.4mm (5.3in.)
+ 15.2mm (0.6in.)
for 10BASE-2 port
for 10BASE-2 port
(if applicable)
0-40°C (32-105°F)
operating
temperature
operating
temperature
0-90%
(non-condensing)
humidity
(non-condensing)
humidity
3C16700.book Page 25 Tuesday, July 13, 1999 9:59 AM