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Cat5 cable is the original Ethernet cable, and includes four twisted pairs in a single jacket. The twisted pair design helps reduce interference from external sources and other pairs (also known as crosstalk). Its performance specifications were designed for use with up to 100Mbit/s networks in fact, the most common usage for Cat5 cable is 100BASE-TX Ethernet.

In 2001, Cat5e (or enhanced Cat5) was designed, with stricter specifications for performance and speed. The biggest difference between Cat5 and Cat5e is that Cat5e can be used with Gigabit networks, networks like 1000BASE-T that boast transfer speeds of up to 1000Mbit/s. Cat5e also has slightly modified wiring for even greater protection from far end crosstalk.

In general, Cat5 has been almost completely replaced by Cat5e. While you can still find Cat5 cable out there, you can often find Cat5e at almost the exact same price. You may not notice a difference in performance for a home network, but virtually all business settings will benefit from exclusively using Cat5e.

UTP or STP?

The "TP" in both STP and UTP stands for "Twisted Pair." As mentioned previously, Cat5 cables include 8 total wires, each twisted with another to create four twisted pairs. This balanced pairing is crucial in avoiding crosstalk and establishing a high signal-to-noise ratio even in interference-rich environments.

STP is Shielded Twisted Pair. Each pair in the cable is covered in a metal sheath, which provides protection against EMI (Electromagnetic Interference). The drawbacks to shielding are a heavier cable without the same level of flexibility as UTP (Unshielded Twisted Pair). STP is also a slightly more expensive cable and all of its jacks and terminators are shielded to be effective, which can add up over long distances.

UTP has no additional shielding around its individual twisted pairs, and thus does not require that its terminators and jacks also be shielded. Additionally, it is a light, thin, and flexible cable. This means that it is easy to wire between walls and won't take up the space that you may need for additional wiring.

Conclusion

Unless you have specific needs, UTP Cat5e cable is the best solution for most of your networking needs. Not only is it reliable, fast, and easy to work with, it's also the cheapest LAN cable on the market.

For additional shielding, go ahead and pay the extra for STP but remember that the cable will have less flexibility and needs shielded counterparts when planning your networking.

Jimmy Dunn is a technogeek with http://SewellDirect.com. Check out Sewell Direct's complete line of bulk Cat5e cable.

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Normally you go to your local computer retailer to buy a new computer. The salesman may boast looky here this one has a such & such speed, this much memory, a huge hard drive, etc. You read the box and sure enough it seems like a powerhouse. But is it?

What the salesman or the box for that matter, fail to tell you is all computers run on whats called Front Side Bus (FSB). In a nutshell its how fast each component can communicate with each other. FSB's can be anywhere from 100MHz to 2000MHz.(even 33MHz or 66MHz on very old systems) Its like trying to fill a swimming pool with 1 garden hose as compared to trying it with a few fire trucks with fire hoses. Hence the higher the FSB the faster all of your data tranfers to all the hardware components. For instance the CPU, Motherboard, Memory(ram), Graphics card, Hard drive etc. all are made with different speeds and have a different speed FSB.

Here is an example of various CPU's
SPEED - INTERFACE - FRONT SIDE BUS SPEED - PRICE
64 3200+ / 2.00GHz Socket AM2 2000MHz $84.99
64 3500+ / 2.20GHz Socket AM2 2000MHz $94.99
64 3800+ / 2.40GHz Socket AM2 2000MHz $114.99
64 3800+ / 2.40GHz Socket AM2 2000MHz $116.99
SP 2800+ / 1.60GHz Socket AM2 800MHz $55.97
SP 3200+ / 1.80GHz Socket AM2 1600MHz $69.99
SP 3400+ / 1.8GHz Socket AM2 1600MHz $75.99
SP 3600+ / 2.0GHz Socket AM2 1600MHz $107.99
355 / 3.33GHz Socket 775 533MHz $69.99
351 / 3.20GHz Socket 775 533MHz $39.99*

As you can see in this example The first cpu on the list(64 3200+) runs at 2 Gigs and has a FSB of 2000MHz. The last cpu on the list(351) is a 3.2 Gig and runs on a FSB of 533. In fact i have seen low end computer makers boast of a computer with a fast cpu but with further examination the motherboard could only run a FSB of 100. The end result is a bottle-necked system. The Cpu does a fast job every few milliseconds only to wait on the data to travel to the other components at turtle speed. You want a system that basically runs at the same or near the same FSB speeds on all the components. That goes for the CPU, Motherboard, Memory and somewhat the Hard Drive.

In the fowolling example i will show the differences in the speed of various Hard Drives.(NOTE by no means am i trying to refer one hard drive manufactorer over the other. I picked these at random. These manufactorers make various hard drives with varying capacities and speeds!)

1. Seagate / 20GB / 5400 / 2MB / ATA-100 / IDE / OEM / Hard Drive
2. Seagate / Barracuda 7200.10 / 400GB / 7200 / 16MB / ATA-100 / EIDE / OEM / Hard Drive
3. Hitachi / Deskstar 7K160 / 80GB / 7200 / 2MB / ATA-133 / EIDE / OEM / Hard Drive

1. The seagate in this example holds 20 gigs of data/ spins at 5400rpm/(ATA-100) has a FSB of 100.

2. The seagate barracuda in this example holds 400gigs of data/spins at 7200rpm wich is 33% faster than 5400. So it delivers data to the mainstream 33% faster and boots up 33% faster. But it only has a FSB of 100.

3. The hitachi in this example holds 80gigs of data/spins at 7200rpm and has a FSB of 133 wich is by far the quickest of the three. So you can see from this example its not the size(gigs) of the drive but the spindle speed and FSB that make it fast.You can even get a SATA Hard Drive wich deliver data even quicker.

I could go on and on with various examples with other computer components but by now you should be getting a good idea by now. Of why some computers give blazing speed while others crawl along showing the hourglass as you wait.

But how do you get this information you ask? Its easy, buy your next system online. At TigerDirect You can purchase a Deeply discounted hi-quality system. Whereas you can check on the speed of each component to be sure you are truly getting a rabbit and not a turtle!

Personally i repair, build and upgrade computers, After years of looking for the best sources of parts, I chose Tigerdirect. Just compare the quality and prices with any other store or site and im sure that you will agree that Tigerdirect is the best.

John McCollim (webmaster) operates an article directory http://www.articles-and.bestfinancenews.com/index.

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So this past weekend my mom, sister, and I went to get tattooed. For my mom and sister it was their 5th tattoo, but only the second for me. We almost ended up not doing it at all. The problem was how the tattoo shops were run. It was first come first serve for small tattoos and by appointment only for custom tattoos. This sounds fine unless the shop has no system in place to determine who got there first and the person at the front desk doesnt know what the artists schedule is.

The first place we went to on Saturday only had one artist, no front desk person, and a line of around 5 people. We waited a half hour before the artist was even able to give us the paperwork to fill out and to tell us how long our wait would probably be. We decided to come back the next day right when they opened so we could be first in line and not have to wait quite so long. The artist at that shop told us that would be fine, to be there at noon, and to just take the paperwork with us for the next day.

So we show up the next day a little early and wait around outside. Finally someone comes to the door and its the guy who works out front. He tells us the artist is all booked up with appointments and that if we come back in a few days there will be more artists and we should be able to get in with no problem. Very frustrating, but what are you going to do, if they dont have any openings they dont have any. Unfortunately I was only in town for the weekend so we had to go elsewhere.

We ended up at a place down the street that was very nice, but again had a few issues that almost lost them our business. This time we were the first ones there, actually the second but the first ones left out of frustration at waiting, so we didnt have to wait for others to finish we just had to wait for the artist to be ready. We ended up being there for 3 hours. Each tattoo took 20-30 min, so it was the in between time that took so long. I can let go of the time he took to prepare materials, draw the design, and clean up afterward, but it got annoying that he had to keep answering the phone and talking to other customers in the shop about what they wanted and how long they would have to wait.

I understand that it can be hard to run a business and that extra help cuts into the profits, but from a customers perspective it is very annoying to have to wait around while the only person in the shop takes care of everything. I love being around artists. They have a wonderful perspective on things and can make everyday life a little more enjoyable. But if they dont have a clue how to run a business they are only going to upset their customers and lose out on prospective repeat customers and referrals. It seems like a better idea would be to go into it as a partnership where one person runs the business and on person does the tattoos, and then add people as needed. I for example have little to no artistic ability, but I am great at customer service. I would love to own a tattoo shop, mostly because I could get work done anytime I wanted, but I would never be able to be the artist and the owner and the front desk person etc. And I dont think any one should do all that, unless they want to limit their shops potential. Both place my family and I visited were doing well enough, but I bet they would benefit from a little more organization and forethought.

Scott Jones organizes Tattoos by Design Zine at http://www.tattoos-by-design.co.uk/zine/.

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