3Com 3C16980 User Guide - Page 13

Switch 3300 — Front View Detail, 10BASE-T/ 100BASE-TX Ports, LEDs, 10BASE-T, 100BASE-TX Ports

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Switch 3300 - Front View Detail 13 Switch 3300 - Front View Detail Figure 1 Switch 3300 - front view 10BASE-T/ 100BASE-TX Ports The Switch has 12 or 24 auto-negotiating 10BASE-T/100BASE-TX ports configured as MDIX (cross-over). These ports can be set to 10BASE-T half duplex, 10BASE-T full duplex, 100BASE-TX half duplex, 100BASE-TX full duplex, or they can automatically detect the speed and duplex mode of a link and provide the appropriate connection. The maximum segment length is 100m (328ft) over Category 5 twisted pair cable. As these ports are configured as MDIX (cross-over), you need to use a cross-over cable to connect to devices whose ports are MDIX-only. See "Choosing the Correct Cables" on page 30 for more information. LEDs Table 3 (overleaf) lists the LEDs visible on the front of the Switch, and their states according to color. For information on using the LEDs for problem solving, see "Solving Problems Indicated by LEDs" on page 31.

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Switch 3300 — Front View Detail
13
Switch 3300 —
Front View Detail
Figure 1
Switch 3300 — front view
10BASE-T/
100BASE-TX Ports
The Switch has 12 or 24 auto-negotiating 10BASE-T/100BASE-TX ports
configured as MDIX (cross-over). These ports can be set to 10BASE-T half
duplex, 10BASE-T full duplex, 100BASE-TX half duplex, 100BASE-TX full
duplex, or they can automatically detect the speed and duplex mode of a
link and provide the appropriate connection. The maximum segment
length is 100m (328ft) over Category 5 twisted pair cable.
As these ports are configured as MDIX (cross-over), you need to use a
cross-over cable to connect to devices whose ports are MDIX-only. See
“
Choosing the Correct Cables
”
on
page 30
for more information.
LEDs
Table 3
(overleaf) lists the LEDs visible on the front of the Switch, and
their states according to color. For information on using the LEDs for
problem solving, see
“
Solving Problems Indicated by LEDs
”
on
page 31
.