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SuperStack II Baseline Dual Speed Hubs
The 3Com SuperStack II Baseline
Dual Speed Hubs give you the simplest
way to migrate to high-speed Fast
Ethernet networking while protecting
your existing network investment. The
Baseline Dual Speed Hubs allow you
to provide high-speed connections to
users while maintaining compatibility
with legacy shared 10 Mbps Ethernet
networks. Power users using Fast
Ethernet who require faster server
and network response times can coexist
with Ethernet users without draining
valuable network bandwidth.
Each Baseline Dual Speed Hub
has 12 or 24 auto-sensing ports, which
automatically detect the speed of the
attached device and optimize network
performance at either 10 Mbps or
100 Mbps. The SuperStack II Baseline
Dual Speed Hub is unmanaged and
works straight out of the box. There's
no need to set network speed. At last,
plug and play that is truly plug and play!
12 or 24 RJ-45 10BASE-T/
100BASE-TX connections.
Auto sensing on each port—
automatically senses the speed
of the network device at the other
end of the cable and optimizes
performance.
Integrated Ethernet to Fast
Ethernet switch provides seamless
integration between 10 Mbps and
100 Mbps segments.
10/100 Autosensing
A port will automatically adjust its
speed according to the equipment
to which it is connected. When the
UTP cable is connected and the
link is first established, the hub or
switch will instantly and automati-
cally sense the maximum speed
of the device at the other end of
the cable. It will communicate
with the other device at 100 Mbps
if possible, or else it will run at
10 Mbps.
Note: Although you are able to use
Category 3 grade cabling for 10 Mbps
links, you must use Category 5 grade
cabling for links running at 100 Mbps.
SuperStack II Baseline Dual Speed Hubs
Front View
12 or 24 ports (RJ-45)
Back View
Advanced RPS
connector
(60 W Type 1)
Conforms as a Class II Fast
Ethernet repeater, which means
that two SuperStack II Baseline
Dual Speed Hubs can be cascaded
in series (the maximum allowed
according to the Fast Ethernet
specification).
MDI/MDIX switchable port allows
for simple cascading of hubs
without the need for a special
crossover cable.
19" size for easy installation in a
wiring closet. A rackmounting kit
is supplied. The product can also
be used free-standing.
MDI/MDIX
Port
switch
status
LEDs
Diagnostic LEDs indicate port
status, network traffic, and colli-
sions on 10 Mbps and 100 Mbps
segments, making it easy to spot-
check faults and check individual
port status.
3Com lifetime limited warranty
Connection for the SuperStack II
Advanced Redundant Power
System provides ultimate protec-
tion against network downtime.
The SuperStack II Advanced
Redundant Power System and
Uninterruptible Power System are
available as options from 3Com.
Power, network traffic,
collision LEDs
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