HP Jetdirect 175x Guide de l'utilisateur télécharger pdf (Page 13)

NETWORKS

DETAIL

Computer

connections

For twisted-pair LANs: A

desktop computer connects to a

twisted-pair LAN through a

network interface card (NIC) that

resides in a slot in the computer,

or through a similar interface

built in to the computer itself.

The RJ-45 plug of the network

cable plugs into an RJ-45 jack on

the card or in the computer. A

portable computer may have a

built-in connection using an RJ-

45 jack, or it may use a PC card

that inserts into a PC card slot in

the computer. (Some PC cards

take up two slots and have room

for an RJ-45 jack that is integral

with the card; others take up only

a single slot but require a short

cable that provides the RJ-45

jack.)

For thin coaxial LANs: A

desktop computer typically

connects to a thin coaxial LAN

through a network interface card

(NIC) ; built-in BNC connections

are uncommon. Portable

computers connecting to thin

coaxial LANs use a PC card with a

short cable that provides a BNC

connection. In all cases, the LAN

cable connects to the computer

through a BNC "T" connector.

Hidden network cables and

equipment: In many network

installations, the hubs are kept in

equipment closets and the cables

are hidden in the walls. In these

installations, wall outlets with RJ-

45 jacks are the only visible

components of the network

wiring. For such a network, you

use a short length of network

cable to connect from the

computer to the wall jack.

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