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Wednesday, February 27, 2008

Cat 5e and Cat 6 Differences and Benefits

Bandwidth precedes data rates just as highways come prior to traffic. Doubling the bandwidth is like adding two times the number of lanes on a highway. The trends of the past and the predictions for the future indicate that rates have been doubling every 18 months.

Current applications running at 1 Gb/s are really pushing the limits of category 5e cabling. As streaming media applications such as video and multi-media become common, the demands for faster data rates will increase and create new applications that will benefit from the higher bandwidth offered by category 6. This is exactly what happened in the early 90s when the higher bandwidth of category 5 cabling compared to category 3 caused most lan applications to choose the new media to allow simpler, cost effective, higher speed lan applications, such as 100BASE-TX. Note: Bandwidth is defined as the highest frequency up to which positive power sum ACR (Attenuation to Crosstalk Ratio) is greater than zero.

The general difference between category 5e and category 6 is in the transmission performance, and extension of the allowed bandwidth from 100 MHz for category 5e to 200 MHz for category 6. This includes better insertion loss, near end crosstalk (NEXT), return loss, and equal level far end crosstalk (ELFEXT). Improvements, such as described, provide a higher signal-to-noise ratio, allowing greater reliability for current applications and higher data rates for future applications.

Category 6 will eventually supercede category 5e. Analyst predictions and independent polls indicate that 85 to 95 percent of new installations will be installed with category 6. The fact that category 6 link and channel requirements are backward compatible to category 5e makes it quite easy for customers to choose category 6 and supersede category 5e in their networks. Applications that worked over category 5e will still work over category 6.

Because of its greater transmission performance and better immunity from external noise, systems operating over 6 cabling will have fewer errors vs. category 5e for current applications. This means fewer re-transmissions of lost or corrupted data packets under certain conditions, which translates into higher reliability for category 6 networks compared to category 5e networks. Category 6 will be very effective in the residential market to support higher internet access speeds while facilitating the more stringent class B EMC requirements (see also the entire FCC Rules and Regulations, Title 47, Part 15). The better balance of category 6 will make it easier to meet the residential EMC requirements compared to category 5e cabling. Also, the growth of streaming media applications to the home will increase the need for higher data rates which are supported more easily and efficiently by category 6 cabling.

Server Racks and Cable Inc. provides both cat 5e and cat 6 to Fortune 500 companies, governments, and military agencies.

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Free Golf Tips Online

At some stage all golf players will need a little assistance with the way they play the game and this includes the likes of tiger Woods. In fact it does not matter just how good a player they are they will all find a good tip helpful at some stage in their game. However some people need to use these tips more than others. But in this article we are going to look at ways of how a person can find free golf tips online.

Today there are lots of sites which have been set up by both experts and professionals who are trying to help other golf players improve their game. These sites offer all kinds of tips and advice relating to all aspects of the game from how to improve your swing and drive and they ways in which you make sure that you putt the ball in to the hole correctly.

As well as providing players with ways to improve their game they look at all aspects relating to how to choose the right equipment and what sort of equipment each person should be using.

Plus today you can even download free golf training videos which will show you the wrong and right ways of playing a particular shot.

The reason why such tips are becoming so popular with many golfers today is simply because they can not afford to pay for lessons with a golf pro at the game where they play. However the great thing about using these online tips is that many players can not only look at the various videos or read what has been offered and then practice them in the comfort of their own backyard or home.

However if you are offered any kind of free golf tips by those you play with then it is best that you avoid using these at any cost. Unfortunately although the tip that they offering you has worked for them it may not work for you and could in fact cause problems with your game in the future. also you could well end up picking up on their bad habits which will not help to improve your game in anyway at all.

The advantages that you gain from using any kind of free golf tips online that you find is that these have been specifically designed for all players rather than for one specific player. Which also means that it provides you with a way to alter the tip that is provided that it not only suits the way you play the game but will also help you to make improvements in it?

So if you are looking for a way in which you want to improve your game of golf and which is not going to cost you much if anything at all then it may be wise to take a look at the various free golf tips online that are available.

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