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Be nice to the technician - if your DSL service provider proves unreliable, you're going to see that technician quite a few times and you may even have to pay extra for it. Copper is great for being able to carry a wide range of frequencies. That's storage for a whole lot of emails! With ADSL, data downloads are much faster than uploading data.
symmetric digital subscriber line
Why? The internet speed is constant and does not fluctuate. You can use your system in your office for networking or in your home for personal use between more than one user. Make a list of what you actually want out of the Internet connection access and then list the pros and cons of both types of connection. In the long run, you will find that it is a wonderful investmentTechnical support - most of the wireless connection will come with exceptional technical support, a benefit that cannot be ignored when it comes to reliability of services.
Joining the world of high-speed internet access can be like getting lost in a strange country where you don't speak the language: IP, ISP, DSL, an endless stream of acronyms. In order, that's: internet protocol, internet service provider, and digital subscriber line!
Broadband DSL, on the other hand, is refreshingly straightforward. Think of dial-up internet service as trying to run a lot of water through a small pipe. Now take that same amount of water and toss it through a pipe as big around as a garbage can. That's broadband DSL.
Ok, I lied. Broadband DSL isn't that straightforward and there are some acronyms involved. I'll explain them below.
ADSL
If you have broadband DSL at home you most likely have this flavor. The 'a' stands for asymmetric. All this means is that downloading content (reading an email) from the internet is about three times as fast as uploading (sending an email, for example).
DSL providers set their networks up this way because studies have shown that it's the best way to optimize the speed of their connections. The speed of an ADSL broadband service ranges from 400 to 700 kilobits per second downstream, and 100 to 350 kilobits per second upstream.
SDSL
You can probably guess now what the 's' in SDSL stands for - symmetric. Businesses prefer broadband DSL that sends data up and down stream at equal rates, so you're likely to find this species of broadband hiding out at the office.
Depending on the broadband DSL provider data flies through these wires at up to 1.54 megabits per second.
IDSL
This is an acronym buried within an acronym. The 'I' stands for 'ISDN', which in turn stands for 'Integrated Services Digital Network.' Put that together with DSL and you get the redundant 'integrated services digital network digital subscriber line.' What a mouthful. Let's just stick with the acronym.
Broadband DSL providers turn to IDSL when dealing with customers who live far from the telecomm's home office. Digital signals typically degrade with distance. The other types of DSL peter out around 18,000 feet.
That's where IDSL comes in - its reach extends more than twice the distance of SDSL, since it uses fiber optic technology instead of the pre-existing copper wires used by the other types of DSL and regular phone lines. One broadband DSL service provider will usually offer all three flavors of broadband.