T-3 | Article about T-3 by The Free Dictionary
T3 (redirected from T-3)
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T3A 44.736 Mbps point-to-point, digital dedicated line provided by the telephone companies. A T3 line provides 672 64-Kbps voice or data channels. T3 channels are widely used on the Internet, although major backbones typically use optical networks (see SONET). See T-carrier and DS.