3Com 12 PORT UNMANAGED ETH/HUB TRANSCEIVER Руководство пользователя - Страница 5
Просмотреть онлайн или скачать pdf Руководство пользователя для Переключатель 3Com 12 PORT UNMANAGED ETH/HUB TRANSCEIVER. 3Com 12 PORT UNMANAGED ETH/HUB TRANSCEIVER 9 страниц. 12/24-port tp
Печатать страницуM
OUNTING
The Baseline Dual Speed Hub is supplied with two mounting brackets and
four screws. These are used for rack mounting the unit. When mounting
the unit, you should take note of the guidelines given in "Positioning the
Baseline Hub"on page 3.
The Baseline Dual Speed Hub is 1U high and will fit a standard 19-inch
rack.
CAUTION: Disconnect all cables from the unit before continuing.
Remove the self-adhesive pads from the underside of unit, if
already fitted.
To rack mount the unit:
1
Place the unit the right way up on a hard, flat surface with the
front facing towards you.
2
Locate a mounting bracket over the mounting holes on one side of
the unit, as shown in the diagram.
3
Insert the two screws supplied in the mounting kit and fully tighten
with a suitable screwdriver.
4
Repeat the two previous steps for the other side of the unit.
5
Insert the unit into the 19-in. rack and secure with suitable screws
(not provided).
6
Reconnect all cables.
P
ROBLEM
If the Baseline Hub fails to operate successfully, contact your supplier with
the following information before returning the unit:
product number and serial number
!
(printed on a label on the back of the unit)
T
ECHNICAL
Related Standards
The SuperStack 3 Baseline Hub has been designed to the following stan-
dards:
Functional
ISO 8802-3, IEEE 802.3 (Ethernet), IEEE 802.3u (Fast
Ethernet), IEEE 802.3x (Flow Control)
Safety
UL 1950, EN 60950, CSA 22.2 #950, IEC 60950
EMC Emissions
EN 55022 Class A, FCC Part 15 Subpart B Class A, ICES-003
Class A, VCCI Class A, AS/NZS 3548 Class A, CNS 13438
Class A, EN61000-3-3, EN61000-3-2
Immunity
EN 55024
Physical
Width
440 mm (17.3 in.)
Depth
173 mm (6.8 in.)
Height
44 mm (1.7 in.) or 1 U
Weight
2.6 kg (5.8 lb)
Mounting
Free standing, or 19 in. rack mounted using the mounting
kit supplied
K
I
IT
NSTRUCTIONS
S
OLVING
I
NFORMATION
!
a brief description of the fault
When returning any equipment to your supplier ensure that the equip-
ment is packed suitably for transit.
Electrical
Power Inlet
AC Line Frequency
Input Voltage
Current Rating
Maximum Power
Consumption
Maximum Power Dissipation
Environmental
Operating Temperature
Humidity
Standard
5
IEC 320
50/60 Hz
90–240 VAC
1 Amps (maximum)
3C16464B: 49 VA
3C16465B: 88 VA
3C16464B: 165 BTU/hr
3C16465B: 300 BTU/hr
0–50°C (32–122°F)
10–95% (non-condensing)
EN 60068 (IEC 68)—various parts