T1, T3, OC3, OC12, OC48 and OC192 Research Information

T1, T3, OC3, OC12, OC48 and OC192
Research
Information

We receive many calls for T1, T3, OC3, OC12, OC48 and OC192
research information. We are unable to answer questions
by phone or e-mail because of the time and costs involved.
We have compiled the information below to help you with your
projects and term papers. We respectfully request that you only
us call if you are a real company and need T-1 or higher service.

Dedicated line broadband speeds and prices
T-1 - 1.544 megabits per second (24 DS0 lines) Ave. cost $250.-$500./mo.
T-3 - 43.232 megabits per second (28 T-1s) Ave. cost $4,000.-$16,000./mo.
OC-3 - 155 megabits per second (100 T-1s) Ave. cost $20,000.-$45,000./mo.
OC-12 - 622 megabits per second (4 OC3s) no estimated price available
OC-48 - 2.5 gigabits per seconds (4 OC12s) no estimated price available
OC-192 - 9.6 gigabits per second (4 OC48s) no estimated price available

A T-1 line is a high speed digital connection capable of transmitting data at a
rate of approximately 1.544 million bits per second. A T-1 line is typically used
by small and medium sized companies with heavy network traffic. It is large
enough to send and receive very large text files, graphics, sounds, and
databases instantaneously, and is the fastest speed commonly used to
connect networks to the Internet. Sometimes referred to as a leased line, a
T-1 is basically too large and too expensive for individual home use.

A T-3 line is a super high speed connection capable of transmitting data at
a rate of 45 million bps (bits per second). A T-3 line represents a bandwidth
equal to about 672 regular voice grade telephone lines, which is wide enough
to transmit full motion, real-time video, and very large databases over a busy
network. A T-3 line is typically installed as a major networking artery for large
corporations and universities with high volume network traffic. For example,
the backbones of the major Internet service providers are comprised of T-3 lines.

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