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ATM |
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Asynchronous Transfer Mode A high bandwidth, High speed (up to 155 Mbps), controlled-delay fixed-size packet switching and transmission system integrating multiple data types (voice, video, and data). Uses fixed-size packets also known as "cells"
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DS1 |
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Framing specification used in transmitting digital signals at 1.544-Mbps on a T1 facility
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DS3 |
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Framing specification used in transmitting digital signals at 44.736-Mbps on a T3 facility
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FRAME RELAY |
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A high-speed packet switching protocol popular in networks, including WANs, LANs, and LAN-to-LAN connections across vast distances
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Synchronous Service Transport (SST) |
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Synchronous Service Transport (SST) is a private line, point-to-point, high-capacity connection designed to transport very large volumes of information at rates as high as 9.952 Gbps. Provisioned on fiber optic systems based on Synchronous Optical NETwork (SONET) technology.
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T-1 |
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A dedicated phone connection supporting data rates of 1.544Mbits per second. A T-1 line actually consists of 24individual channels, each of which supports 64Kbits per second. Each 64Kbit/second channel can be configured to carry voice or data traffic
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T-3 |
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A digital channel which communicates at 45 Mbps, or 28 T1 lines.
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OC-3 |
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A fiber optic connection supporting data rates of 155.52Mbits per second. An OC-3 line transports the equivalent data of 100 T-1's.
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OC-12 |
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A fiber optic connection supporting data rates of 622.08Mbits per second. An OC-12 line transports the equivalent data of 4 OC-3's (or 1,344 T-1's).
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OC-48 |
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A fiber optic connection supporting data rates of 2.488Gbits per second. An OC-48 line transports the equivalent data of 4 OC-12's. |
