T1 T3 Internet Connections

T3 Internet

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T3 lines are also known as DS3 lines. They are the high speed or we can say advanced version of traditional T1 internet connection types. It is a super high speed connection having the unmatched capacity of carrying forty five million bytes per second (45 MBPS). At this speed of 45 MBPS, a T3 connection is well equipped to transmit heavy payloads such as a complete movie, any real time video, and exceptionally large data bases even at the time of very busy hours.

Unlike T1 lines that are equally used for domestic and commercial usages, a T3 line is used by very large corporate houses, universities which thrive for high speed dedicated connections capable of handling their exceptional bandwidth demands. You would be surprised to know that a T3 line can handle traffic equivalent to 672 analogue or traditional telephone lines.

If we talk about non optical internet connections used in North America, A T3 connection is the second fastest internet connection available. As told earlier, T3 connections are advanced types of T1 internet lines. What actually a T3 line is an assembly or group of T1 lines. Each T3 line consists of 28 T1 lines. Signaling speed of each T1 line is 1.544 MBPS that makes a T3 line of 45 MBPS (28 x 1.544 MBPS)

Next question that might come to your mind is the difference between T1 and T3 lines.

Well primarily it's the speed and cost that differentiate the two connections. T1 connections are much cheaper than the T3 lines. The running cost of a T1 line is less that $900 per month whereas a T3 line costs in the vicinity of $15000 per month.

But it is the speed of a T3 line that makes it far better and costlier than the T1 lines. They are the exclusively high speed and bandwidth lines in the carrier's backbone network. All of the T3 lines come with a Service Level Agreement promising best performance and uptime.

T3 internet connection is gaining much popularity as it is the ideal solution for businesses that need super high speed internet connectivity. Firms that host high end traffic web sites, web hosting support sites. But it happens all the time that a firm needs a bandwidth greater than T1 lines but they don't need a T3 line.

Fractional T3 lines can provide the speed of 3 MBPS to 45 MBPS. A fractional T3 line is similar to a T3 line but the only difference is that some channels of it are turned off.

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