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| Nov 8, 2009 |
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Hardware >
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ALSO CALLED: MOdulator/DEModulator, Asynchronous Modems, and 56 Kbps Modems
DEFINITION: A modem modulates outgoing digital signals from a computer or other digital device to analog signals for a conventional copper twisted pair telephone line and demodulates the incoming analog signal and converts it to a digital signal for the digital device.In recent years, the 2400 bits per second modem that could carry e-mail has become obsolete. 14.4 Kbps and 28.8 Kbps modems were temporary landing
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Definition continues below.
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Modems Reports
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1 Match
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RS-232: A Key to Understanding Data Communications
sponsored by Global Knowledge
WHITE PAPER:
Read this paper to learn the history and current application of RS-232, a standard that refers to two classes of devices: Data Terminal Equipment and Data Circuit Terminating Equipment.
Posted: 14 Oct 2008 | Published: 14 Oct 2008
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MODEMS DEFINITION (continued): … A modem modulates outgoing digital signals from a computer or other digital device to analog signals for a conventional copper twisted pair telephone line and demodulates the incoming analog signal and converts it to a digital signal for the digital device.In recent years, the 2400 bits per second modem that could carry e-mail has become obsolete. 14.4 Kbps and 28.8 Kbps modems were temporary landing places on the way to the much higher bandwidth devices and carriers of tomorrow. From early 1998, most new personal computers came with 56 Kbps modems. By comparison, using a digital Integrated Services Digital Network adapter instead of a conventional modem, the same telephone wire can now carry up to 128 Kbps. With Digital Subscriber Line (DSL) systems, now being deployed in a number of communities, bandwidth on twisted-pair can be in the megabit range. Modems definition sponsored by SearchMobileComputing.com, powered by WhatIs.com an online computer dictionary
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