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T3 and E3 Technologies

A T3 is a dedicated phone connection supporting data rates of about 43 Mbps. A T-3 line actually consists of 672 individual channels, each of which supports 64 Kbps. T-3 lines are used mainly by Internet Service Providers (ISPs) connecting to the Internet backbone and for the backbone itself.  T-3 lines are sometimes referred to as DS3 lines. 

An E3 is the European equivalent of a T3 circuit. It is a term for a digital facility used for transmitting data over a telephone network at 34 Mbps.  It has smaller bandwidth and fewer subchannels than a T3. E3's are found in all countries other than the United States, Singapore, and Japan.

Data Connect Enterprise offers a full range of T3 and E3 Products
You may search this site for the Specific T3 or E3 products you require

Or view a partial list of manufacturers here

Please contact us 301-924-7400

T3 - comprised of 28 T1 lines


A T3 line (also know as a DS-3) is an ultra high-speed connection capable of transmitting data at rates up to 45 Mbps. A T3 line is equal to approximately 672 regular voice-grade telephone lines, which is fast enough to transmit full-motion, real-time video, and very large databases over a busy network. A T3 line is typically installed as a major networking artery for large corporations and universities with high-volume network traffic. A T3 is the second fastest, non optical connection offered in North America. A T3 line is comprised of 28 T1 lines, each operating at total signaling rate of 1.544 Mbps.
 

What is the difference between T1 and T3 Lines?


The most significant differences between T1 lines and T3 lines are cost and speed. The typical T1 connection costs approximately $800 per month while a T3 connection can cost as much as $15,000 per month. T3 lines are extremely high bandwidth connections into a carrier's backbone. They typically include SLAs (Service Level Agreements) that guarantee uptime and performance.

What is a fractional T3? Is it more bandwidth than a T1?


T3 Internet Access is the ideal solution for businesses that require high-bandwidth access at a reduced price. Whether you host high-traffic Web sites, support Web hosting or need high-capacity bandwidth on an as-needed basis, there's a level of T3 service (Full or fractional) that will meet your needs. Fractional to full DS3 or T3 circuits run from speeds of 3 Mbps up to 45 Mbps.

For customers that require more bandwidth than a T1 line can provide but do not yet require the capacity of a full T3 line, a fractional T3 connection is the ideal solution. A fractional T3 is similar to a full T3, only with some of the channels turned off. This reduces the total monthly cost and provides additional capacity that can be turned up in a matter of days.

     

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