A dedicated phone connection supporting data rates of 1.544Mbits per second. A T-1 line actually consists of 24 individual channels, each of which supports 64Kbits per second. Each 64Kbit/second channel can be configured to carry voice or data traffic. T-1 lines are a popular leased line option for businesses connecting to the Internet and for Internet Service Providers (ISPs) connecting to the Internet.
A telephone line connection for digital transmission typically employed by Ethernet and other local area networks. For connecting to the Internet, a T-1 line is far faster than a standard phone line and may also be considerably faster than DSL service.
A high-speed digital link to the Internet (1.544 M bps)