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30
C
2: I
HAPTER
NSTALLING THE
Choosing the
Correct Cables
S
WITCH
Table 4 LED colors
Color
State
Green
The Switch is powered-up and
operating normally
Yellow
The Switch has failed its Power On Self
Test. This occurs if any of the ports fail
during power-up.
Off
The Switch is not receiving power.
If there is evidence of a problem, see
LEDs"
on
page
31.
All of the ports on the front of the Switch 3300 MM are configured as
MDIX (cross-over). If you want to make a connection to another MDIX
port, you need a cross-over cable. Most of the 10BASE-T and
100BASE-TX ports on 3Com devices are MDIX-only. Many ports on
workstations and servers are configured as MDI (straight-through). If you
want to make a connection to an MDI port, you need to use a standard
straight-through cable. This is illustrated in
Figure 10 Connecting other devices to the Switch 3300 MM
"Solving Problems Indicated by
Figure
10.
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