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T1 Interfaces Overview


T1 is the basic physical layer protocol used by the Digital Signal level 1(DS1) multiplexing method in North America. A T1 interface operates at a bit rate of 1.544 Mbps and can support 24 DS0 channels. Supported DS1 standards include:

  • ANSI TI.107, TI.102

  • GR 499-core, GR 253-core

  • AT&T Pub 54014

  • ITU G.751, G.703

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