3Com 3C17203 - SuperStack 3 Switch 4400, Руководство по началу работы

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Switch 4400 — Front View Detail 15
Figure 3 Switch 4400 (48-port) — front view
WARNING: RJ-45 Ports. These are shielded RJ-45 data sockets. They cannot
be used as standard traditional telephone sockets, or to connect the unit to a
traditional PBX or public telephone network. Only connect RJ-45 data
connectors, network telephony systems, or network telephones to these
sockets.
Either shielded or unshielded data cables with shielded or unshielded
jacks can be connected to these data sockets.
10BASE-T/
100BASE-TX Ports
The Switch has 24 or 48 auto-negotiating 10BASE-T/100BASE-TX ports
configured as Auto MDIX (cross-over). These ports automatically provide
the appropriate connection. Alternatively, you can manually set these
ports to 10BASE-T half duplex, 10BASE-T full duplex, 100BASE-TX half
duplex or 100BASE-TX full duplex. The maximum segment length is
100 m (328 ft) over Category 5 twisted pair cable.
LEDs Table 5 lists LEDs visible on the front of the Switch, and how to read their
status according to color. For information on using the LEDs for problem
solving, see
“Solving Problems Indicated by LEDs” on page 48 .
DUA1720-3AAA03_online.book Page 15 Monday, March 25, 2002 10:48 AM