3Com 3C17203 Getting Started Guide - Page 15

BASE-T/ 100BASE-TX Ports, LEDs, Table 5, Solving Problems Indicated by LEDs, - 48 port

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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.

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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
.