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The Curious Bag
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A T1 is an Internet connection that uses fiber-optic or copper cables to transmit data at high speed. It is usually used in a corporate office setting. It uses different technology than cable or DSL (Digital Subscriber Line).
T1 Basics
T1 stands for "Trunk Level 1." While cable and DSL have much slower upload speeds than download speeds, a T1 can download and upload at about 1.5 megabits per second.
T1 Pricing
Since a T1 line typically has a guaranteed uptime designed for business use, it is much more expensive than a home user's cable or DSL connection.
Uptime Guarantees
A typical T1 line will be granted 99.99% uptime. This means that the provider guarantees that line to be available 99.99% of the time.
T1 Varieties
A business customer can lease a T1 line that handles both their phone lines and their office's Internet connection. They can also get a "burstable" line that is set to operate at a certain speed but can go automatically higher if circumstances require it.
Contracts and Timing
A T1 customer must sign a contract, usually three years in length. It can also take 30 to 45 days for the provider to arrive and install the line.
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