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Using the Notebook PC 4
Network Hub or Switch
Network cable with
RJ-45 connectors
This is an example of the Notebook PC connected to a Network
Hub or Switch for use with the built-in Ethernet controller.
Network Connection
Connect a network cable, with RJ-45 connectors on each end, to the modem/network port on the Note-
book PC and the other end to a hub or switch. For 100 BASE-TX / 1000 BASE-T speeds, your network
cable must be category 5 or better (not category 3) with twisted-pair wiring. If you plan on running the
interface at 100/1000Mbps, it must be connected to a 100 BASE-TX / 1000 BASE-T hub (not a BASE-
T4 hub). For 10Base-T, use category 3, 4, or 5 twisted-pair wiring. 10/100 Mbps Full-Duplex is sup-
ported on this Notebook PC but requires connection to a network switching hub with “duplex” enabled.
The software default is to use the fastest setting so no user-intervention is required.
1000BASE-T (or Gigabit) is only supported on selected models.
Twisted-Pair Cable
The cable used to connect the Ethernet card to a host (generally
a Hub or Switch) is called a straight-through Twisted Pair Ether-
net (TPE). The end connectors are called RJ-45 connectors, which
are not compatible with RJ-11 telephone connectors. If connect-
ing two computers together without a hub in between, a cross-
over LAN cable is required (Fast-Ethernet model). Gigabit mod-
els support auto-crossover so a crossover LAN cable is optional.
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