Coaxial Cable - Definition and Uses for Communication by Kundan Upadhyaya
Coaxial cable is defined as two concentric wires, cylindrical in shape, separated by a dielectric of some type. One wire is the center conductor and the other is the outer conductor. A protective jacket covers these conductors. The protective jacket is then covered by an outer protective armor. ... Coaxial cables are used primarily for CATV and other wide band and video application. ... Many of these cables or pairs of coaxial tubes can be placed in a single outer sheathing and, with repeaters, can carry information for a great distance.

How Do Cable Modems Work? by Kevin Stith
The internet has become even faster. Gone are the days of sluggish dial-up connections. Cable modems offer a way for you to use your cable connection to get high-speed internet access. How do cable modems work? First of all, data and information from the internet comes over the coaxial cable,... Coaxial cables have the ability to store a large amount of data, so there is plenty of room for both your television and internet. ... The cable modem is what allows you to have both cable television and high-speed internet access on the same coaxial cable.

Cable Modem FAQs by Kevin Stith
Do you ever wonder how a cable modem works? Are you trying to understand if high-speed internet access is right for you? Would you like to know how to purchase a cable modem? Here are some cable modem FAQs that will give you more information. What do cable modems do? ... The cable modem takes a data signal and converts it to its digital form. ... Since a coaxial cable has a high data storage capacity, both the internet and cable television can use the same cable. ... Can you read product reviews?

Just One Big Mesh by Monty Henry
Not surprisingly, the Internet also is transforming the surveillance industry, thanks to the new generation of video cameras designed to operate over digital computer networks. Also called IP cameras, these devices make it possible to see live video from anywhere in the world with interactive... Although IP cameras no longer need to use analog coaxial cables, the units do require a wired connection to an Ethernet-based computer network, which is not available in many locations, especially outdoors.

Security Camera System - Buyers Guide by Robert Moskal
Although the application of CCTV security have not changed very much over the past years, the tools and equipment have significantly. Cameras became smaller, cheaper and better, but the major breakthrough happened in recording equipment. Therefore many customers shopping for complete CCTV... Coaxial cables will require BNC connectors and proper installation possibly done by experienced technician. ... It is recommended to use RG59 or RG6 coaxial cables as it is fully shielded and will prevent video loss up to 400 ft.

Virtual Private Network and ISP Connection by Aaron Adams
VPN Broadband Access (Cable and DSL) What Is Broadband? Broadband technologies provide high-speed access to the Internet. These technologies are an alternative to dial-up methods that use a traditional analog modem. The major broadband technologies are: Cable Modem Service Digital... Even if cable TV functions in your home, you might not be eligible for Internet cable access if the line quality of your coaxial cable is too weak. ... Some examples include ADSL, IDSL and HDSL. ... More About DSL Service DSL is provided in a variety of specific service types.

How IP-based Video Surveillance Works -- Way Beyond Analog by Lucy P. Roberts
When you’re shopping around for an IP-based video surveillance system, you will need to be particularly cautious about what exactly you’re looking at and what the individual terms mean. How IP-based video surveillance works is open to interpretation as far as some video surveillance and security... When shopping for a system, be sure to ask if the system is digital based on the recording (DVR) or on the camera, since many manufacturers consider a system digital by virtue of the DVR storage system even if the camera recording the images is still analog.

Networking Basics by Kashif Raza
A network is a group of computers, printers, and other devices that are connected together with cables. The sharing of data and resources. Information travels over the cables, allowing network users to exchange documents & data with each other, print to the same printers, and generally share any... Protocols also define procedures for handling lost or damaged transmissions or "packets." TCP/IP (for UNIX, Windows NT, Windows 95 and other platforms), IPX (for Novell NetWare), DECnet (for networking Digital Equipment Corp.

Selecting a Portable DVD Player by Jason Flowers
Selecting a Portable DVD Player If you want to watch a movie while travelling by road, or while undertaking air travel, or if you want to keep your children occupied with a movie for the duration of a long drive, bring your portable DVD player along! ... Digital Surround Sound Watching a movie on a portable DVD player with digital surround sound can transport you to a miniature virtual theatre environment. ... Quality Audio Outputs The choice of audio outputs boils down to any optical and coaxial cable type connections that are offered by your chosen player.

All About DVD Part 4: DVD-Audio and SACD by Artem Chlegov
New sound formats: DVD-Audio and SACD When Audio-CD format emerged, most music producers and music lovers were absolutely sure that Audio CD provides the best quality sound possible and nothing else will ever be required. However, some audiophiles instantly refused to accept new Audio CD and... Basically, sample is a digital analogue of sound oscillation and for that reason they are measured by using the same unit, hertz (Hz). ... Sony and Philips took another route and invented new single-bit audio format called DSD (Direct Stream Digital) .