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Chapter 1
Introduction
1.1 An Overview of the AcerISDN P10
1.1.1 What is ISDN?
ISDN is an abbreviation for Integrated Services Digital Network.
ISDN transfers information digitally and integrates all
telecommunication services (such as telephone, teletext, videotex,
etc.) into a single network. Using ISDN, you can transfer text,
voice, data files, images, and even video.
Before the use of ISDN, telecommunications operated using analog
devices, which limited the quality of telecommunication transfers.
With ISDN technology, the telephone lines can transmit data
digitally with much greater speed and clarity of transmission than
with analog transmissions. The ISDN is capable of transmitting all
kinds of information at greatly accelerated rates. A typical modem
transmission has a rate of 9.6Kbps (kilobits per second or thousand
bits per second) to 33.6Kbps. ISDN digital technology allows
transfer rates of up to 128Kbps.