Sony PCWA-A200 - Manual (Page 27)

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Glossary
Client
A computer connected to a LAN (Local
Area Network). Also called a client
computer.
ISDN
ISDN (Integrated Services Digital
Network) is a set of standards for
digital transmission over ordinary
telephone copper wire and other media.
Home and business users who install
ISDN routers can access graphic-intense
Web pages with greatly increased speed
over that of modem users. ISDN
requires routers at both ends. Your
Internet Service Provider (ISP) also
needs an ISDN router.
LAN
Unlike the internet, which is a network
that is used by unlimited number of
people, LAN (Local Area Network) is a
network that is used by limited number
of people.
For example, there is LAN used only by
those belonging to the company or the
division, and there is LAN constructed
in home by interconnecting computers.