T1 lines are used for voice and data communication worldwide. Integrated T1 divides a standard T1 line for multiple applications on a single line, while fractional T1 is for different users on a single line. Integrated T1 is common in large enterprises, while fractional T1 is common in multi-office buildings. The channels in an integrated T1 are dedicated to specific purposes, while in fractional T1, they can operate in any configuration. Integrated T1 reduces the number of physical transmission methods and creates fewer points of failure.
A T1 line is a standard for voice and data communication in various parts of the world. An integrated T1 is a specific method of dividing a standard T1 line to allow for multiple applications dedicated to transmission on a single line. This is similar to a fractional T1 where different users use a single T1 line, but the goal in these two situations is different. Integrated T1 is common in large enterprises, as it allows several threads of data to be transmitted on a single line without mutual interference.
The T1 specification is common throughout North America and Japan, while many other areas use a different, but similar specification called E1. A standard T1 line transmits information on 24 interconnected channels. These channels can transmit information of any type, but the two most common are voice and data transmissions.
An integrated T1 works a little differently. In this case, the 24 channels remain separate. Each channel is set to a dedicated purpose or application. For example, one channel may work for a telephone system, while another works for a computer network. The channels in an integrated T1 do not transmit information back and forth for any reason. Each of the channels is a closed circuit.
This system is very similar to a system called fractional T1. In this case, a single T1 line is split two to 24 times. Each of these subdivisions is then leased as a separate connection. The individual areas remain separate from each other. This is common in multi-office buildings that need to share a single network system.
The biggest difference between these systems is in their usage. With a built-in T1, each channel specifically works for a different purpose. With a fractional T1, the split does not specify how the channels will be used. They can operate as a standard T1 or in any other configuration. It is possible to lease a number of channels from a fractional system and then use those channels in an integrated fashion, but this is an uncommon setup.
Integrated T1 is a great way to reduce the number of physical transmission methods while maintaining separate systems. In many circumstances, telephone, Internet, cable, and other common data systems each have their own separate methods of getting into a building. With an integrated T1, all of these systems can fit into a single cable. This requires less maintenance and creates fewer points where problems can occur.
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