I S P  G L O S S A R Y

Related Terms carrier CSU/DSU E1 fractional T-1 ISP leased line OC PRI SONET T-3 carrier TDM T-1 carrier 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. Most telephone companies allow you to buy just some of these individual channels, known as fractional T-1 access. 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 backbone. The Internet backbone itself consists of faster T-3 connections. T-1 lines are sometimes referred to as DS1 lines. More Information Committee T1 home page Committee T1 develops technical standards and reports regarding interconnection and interoperability of telecommunications networks at interfaces with end-user systems, carriers, information and enhanced-service providers, and customer premises equipment (CPE). Their home page provides links to organizational information, reports, standards, affiliations, FAQs, and press releases. Updated on Jul 16, 1998 T-1 Technology Discussion Article describing T-1 carriers and how they operate. This page is hosted by Data Comm for Business, Inc. Updated on Jul 8, 1998 T1: Another Port in the Wall PC Magazine article (November 1997) on what you need to know about this most popular high-bandwidth digital circuit and reviews five top T-1 routers. Updated on Aug 1, 1998