T3 Education - Is Your Business In Need of a T3

A T3 is a dedicated high-speed line that can be used for voice or data. The T3 uses digital signal and is transmitted over fiber or copper. It transmits data at a high speed - 43.232 Mbps. This speed is greater than most modems.

A T3 is equivalent to 28 T1s. Each T1 is made up of 24 channels that can be used for voice or data. The T1 terminates into the telephone room on a jack called a smart jack. From there you can extend the circuit into the telephone or data equipment with a simple fiber cable. Each T1 uses 2 pair fiber connections to bring all channels to you. Therefore, the space requirements for T1 lines are much less than the equivalent amount of standard copper trunks would take up.

Each T1 provides 24 channels, which are then shared among the users. The T1 works efficiently to provide flexible channels as needed. When a channel is free it is available to any user. The typical T1 can accommodate between 50 and 100 users comfortably. More phone-intense applications such as call centers will require additional T1s. If you have significant need, a T3 is the next logical choice. It provides an extended bandwidth that will easily accommodate all applications.

Many people are familiar with a DSL or digital subscriber line. The DSL is a slower circuit, which is not dedicated. It typically runs over your current telephone line and is mainly used for individual service. The T1 circuit is a dedicated circuit used specifically by businesses. The speed of the T1 is much faster than the DSL allowing for more advanced features and connections. The DSL is not a viable option for a large company or organization. Instead, a T1 is the preferred telecommunication method for businesses.

Larger organizations such as those with a campus environment may need more than one T1. For these situations there is the T3. It can be used for voice, data or both, depending on how it is configured. To determine your needs you should first determine your current usage for both voice communications as well as data communications. Next, be sure to understand what data applications you currently use as well as those that your company would like to use given the proper bandwidth. Then, think about future growth, not only specific growth of the company but also the growth of applications that may become available in the future.

A T3 may seem expensive however it is always a less expensive choice than using a comparable amount of typical standard copper trunks. The costs of T1s and T3s have actually been decreasing in the past several years. This is due in part to the fact that most central office locations are now upgraded to be able to supply these services. Another factor is that there is now much competition with many providers offering these services. Installation costs may be steep but you should expect to see a good return on your investment easily within a year.

Article written by Van Theodorou, for a free consultation to see if you need a T3 voice or internet service and learn more on the T3 at his T3 learning center.

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OC3, OC12 & OC48 Bandwidth-Ideal Solution For High End Users

The ideal solution for high end bandwidth users where connectivity is essential for operations isn't a simple T1 or DS3 dedicated line...you need an "OC" fiber optic network. So just what is OCx, what can it do for you, and what do you need to know?

What is an OCx Circuit?

'OC' stands for Optical Carrier and is used to specify the speed of fiber optic networks conforming to the SONET standard. SONET, (Synchronous Optical Networks), includes a set of signal rate multiples for transmitting digital signals on optical fiber. The base rate (OC-1) is 51.84 Mbps. Certain multiples of the base rate are provided below with bandwidth amounts. Asynchronous transfer mode (ATM) makes use of some of the Optical Carrier levels.

Optical Carrier lines provide content providers, ASP's, ISP's & large enterprises with dedicated Internet connectivity. These Optical Carrier Level circuits are an ideal solution for high end bandwidth users where connectivity is essential for operations. Some examples are large data centers, high tech research facilities, university infrastructure, airport complexes, and casino video security and data systems.

What is an OC3?

An OC3 can be three DS3s (T3s) or one 155M pipe. The benefit in using DS3s is that each can be separated back out as individual T1s (each with 24 channels). To put it into perspective, the speed of an OC3 connection is 155Mbps. This is equivalent to 3 T3 lines or 100 T1 lines. An OC12 connection is 622Mbps, equivalent to 14 T3 lines or approx. 414 T1 lines.

What is an OC12?

An OC12 is approximately equal to 4 OC3s and runs at 622 Mbps. which makes it an excellent point-to-point IP delivery connection. The greatest benefit to an OC-12 is that bandwidth can be added to a business as it grows without any major system overhauls. An OC12 can also allow a business to have unlimited IP addresses which insures that growth is never limited...

What is an OC48?

An OC48 works as a reliable fiber optic backbone for large networks which require volume extensive voice/data/video traffic. It is a long-haul backbone fibre connection capable of transmitting data at 2.45 Gbps. To put it into perspective the speed of an OC48 is the equivalent of having 48 T3's OR 1,344 T1 lines.

The pricing for these type of connections can vary widely depending on the carrier, location of service and the exact application for which the connection is intended to be used. Due to this complexity it is suggested to use the services of a consultant such as "DS3-Bandwidth.com" to research available providers and find the best fit to meet a specific requirement.

Michael is the owner of FreedomFire Communications....including Business-VoIP-Solution.com. Michael also authors Broadband Nation where you're always welcome to drop in and catch up on the latest BroadBand news, tips, insights, and ramblings for the masses.

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