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T interface A T-interface or T reference point is used for basic rate access in an Integrated Services Digital Network (ISDN) environment. It is a User–network interface reference point that is characterized by a four-wire, 144 kbit/s (2B+D) user rate. Other characteristics of a T-interface are: * it accommodates the link access and transport layer function in the ISDN architecture * it is located at the user premises * it is distance sensitive to the servicing Network termination 1 * it functions in a manner similar to that of the Channel service units (CSUs) and the Data service units (DSUs). The T interface is electrically equivalent to the S interface, and the two are jointly referred to as the S/T interface. ==See also==
* R interface * S interface * U interface
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「T interface」の詳細全文を読む
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