3Com 3C16720 Руководство пользователя - Страница 3
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Before You Start
Your OfficeConnect hub comes with:
One power adapter for use with the OfficeConnect hub
One power cord
A Warranty Registration card for you to fill out and return
Four rubber feet
Four stacking clips
This guide
Workstation Connections
To connect workstations and other equipment t o your
hub, you need :
100BASE-TX adapter card s
1
for every workstation . 3Com
produce a range of easy to
install network adapters,
which provide your
workstations with
100BASE-TX connections .
A network operating system running on your
2
workstations.
O ne 'Straight-through' 100BASE-TX cable for every
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workstation or piece of equipment.
A 'Straight-through' cable is one where the pins of one
connector are connected to the same pins of the other
connector. 100BASE-TX cable m ust be data grade
(Category 5) shielded or unshielded. We recommend
that you use shielded cable. The maximum length you
can use is 100 m eters (328 feet) .
In order to comply with the 100BASE-TX standard, ports
designed for workstation connections have been marked
with the graphical symbol 'x'. This denotes a crossover in
the port's internal wiring, for example 1x, 2x, 3x...
Hub Connections
If you have another OfficeConnect h ub to connect to,
you need:
One 'Straight-through' 100BASE-TX cable, less than
5 meters (16.4 feet) in length.
Positioning Your OfficeConnect Hub
When installing your OfficeConnect hub, ensure:
It is out of direct sunlight and away from sources of heat.
Cabling is away from power lines, fluorescent lighting
fixtures, and sources of electrical noise such as radios,
transmitters and broadband amplifiers.
Water or moisture cannot enter the case of the unit.
Air flow around the unit and through the vents in the
side of the case is not restricted. We recommend you
provide a minimum of 25.4 mm (1 in) clearance.
Using the Rubber Feet and Stacking Clips
The four self-adhesive rubber feet prevent your hub from
sliding around on your desk. Stick the feet to the marked
areas at each corner of the underside of your hub.
The four stacking clips are used for neatly and securely
stacking your OfficeConnect units together. You can
stack up to a maximum of four units. Small units
must be stacked above large units. To stack your
units, secure the clips on one side and then on the other.
Use the following method to secure one side:
Place your new u nit on
1
a flat surface. Your clips
fit in the se positions on
the side of the unit :
Position a clip over one
2
of these holes and
push it in until it clicks
into place. Repeat this
for the other clip
position on the same
side.
Keeping the front of
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the units aligned, rest
the bottom of the
existing u nit on the
clips' spikes. Push the
clips firmly into the
existing u nit until they
click into place .
R epeat these steps to secure the other side.
To remove a clip, hold the units firmly with one hand
and hook the first f inger of your other hand around the
back of the clip. Use reasonable force to pull it off.
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