What is a DS3 or T3 line?

A DS3 or T3 is the equivalent of 28 T1 lines and can carry a DS-3 (Digital Signal 3) at 44.746 megabits per second. It's generally used for connecting larger networks. Also an AT&T term, T3 and DS3 are often used interchangeably. T3 lines are usually transmitted over fiber optic connections or Co-Ax Cable similar to cable TV.

DS3 typically refers to the digital signal service which could be provided on a T3 coaxial cable or a fiber optic cable. T3 is part of the T-carrier system and refers to the physical line, which is copper wire. You can get DS3 without the specific T3 wires, but not the other way around.

What Is an OC3 Line?

A OC3 is the equivalent of 100 T1 lines or a little more than 3 T3 lines and can carry a total signal at 155 megabits per second. It's generally used for connecting very large computer networks and works only over fiber optic connections.

What Is an OC12 Line?

A OC12 is the equivalent of 400 T1 lines or a little more than 14 T3 lines and can carry a total signal at 622 megabits per second. It's generally used for connecting extremely large computer networks and works only over fiber optic connections.

What Is an OC48 Line?

A OC48 is the equivalent of 1600 T1 lines or a little more than 56 T3 lines and can carry a total signal at 2488 megabits per second. It's generally used for connecting extremely large computer networks to each other over long distances and works only over fiber optic connections.

*Whatever your level of telecom needs, let us help you determine the best solution. As your business grows beyond the basic T1 connection, it becomes more and more imperative that you have the depth of professional knowledge to understand the options, and the relationships with the right providers that will help you establish fast and reliable freeway for your business telecommunications.