T-carrier

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T-carrier

A digital transmission service from a common carrier. Although developed in the 1960s and used internally, AT&T introduced it as a communications product to the public in 1983. Initially used for voice, its use for data grew steadily, and T1 and T3 lines were and still are widely used to create point-to-point private data networks. T-carrier lines use four wire cables. One pair is used to transmit; the other to receive.

The cost of the lines is generally based on the length of the circuit. Thus, it is the customer's responsibility to utilize the lines efficiently. Multiple lower-speed channels can be multiplexed onto a T-carrier line and demultiplexed (split back out) at the other end. Some multiplexors can analyze the traffic load and vary channel speeds for optimum transmission. See T1, T2, T3, DS, DSU/CSU and inverse multiplexor.

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No references found			Problems with the T-carrier hierarchy stem from one simple fact: "T-carrier systems were designed for AT&Ts voice network," explains Gast. T1 a Survival Guide. (Relevant Network Literature) by Database and Network Journal			T score T slot T Square T switch T Tauri star T&G T&G joint T&L T&M T&P valve t'ai T'ai-chung T'ai-nan T'ang T'ao Ch'ien T'ao Yüan-ming t'ing T+0 T+1 T+3 T+5 T-4 T-bar T-beam T-bevel T-carrier T-carrier system T-cell receptor T-E index T-E ratio T-gen T-head T-hinge T-iron T-joint T-junction T-plan T-plate T-rated switch T-Rex t-RNA T-S curve T-S diagram T-S relation T-section filter T-shore T-span T-square t-test T-wrench T. Kohonen			T-bird T-bird T-BOC T-Bond T-Bond T-Bond T-Bonds T-bone T-bone steak T-bone steaks T-boned T-bones T-boning T-BOS T-box T-box T-box factor-Binding Element T-box genes T-Boz, Left Eye, & Chili T-BUS T-Butyl Hydrogen Peroxide T-Butyl Peroxy Pivalate T-butylaminoethanol T-BUY T-byte T-byte T-byte T-C T-cal T-CAN T-carrier T-carrier 1 T-carrier 2 T-carrier 3 T-carrier 4 T-Carrier Administration System T-Carrier Crossconnect System T-carrier Fault Locating Applications Program T-Carrier Restoration Control Center T-carrier system T-CATTS T-CCS T-CCT T-cell T-cell T-cell T-cell acute lymphoblastic leukemia T-Cell Acute Lymphoblastic Lymphoma T-cell antigen receptor T-cell antigen receptor T-Cell Antigen Receptor Complex, Epsilon Subunit of T3 T-Cell Antigen Receptor, Beta Subunit T-Cell Clonopathy of Undetermined Significance T-Cell Colony Growth T-cell Death Associated Gene 51 T-cell Dependant Antibody Response T-cell Epitopes associated with Impaired Peptide Processing T-Cell Growth Factor

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