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Cable Modems
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DEFINITION: A cable modem is a device that enables you to hook up your PC to a local cable TV line and receive data at about 1.5 Mbps. This data rate far exceeds that of the prevalent 28.8 and 56 Kbps telephone modems and the up to 128 Kbps of Integrated Services Digital Network (ISDN) and is about the data rate available to subscribers of Digital Subscriber Line (DSL) telephone service. A cable modem can be
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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: 11 Oct 2008
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CABLE MODEMS DEFINITION (continued): … added to or integrated with a set-top box that provides your TV set with channels for Internet access. In most cases, cable modems are furnished as part of the cable access service and are not purchased directly and installed by the subscriber.A cable modem has two connections: one to the cable wall outlet and the other to a PC or to a set-top box for a TV set. Although a cable modem does modulation between analog and digital signals, it is a much more complex device than a telephone modem. It can be an external device or it can be integrated within a computer or set-top box. Typically, the … Cable Modems definition sponsored by SearchSecurity.com, powered by WhatIs.com an online computer dictionary
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