DS1 (T1) Fundamentals
02/12/21 03:12:43 Lượt xem: 157
This presentation gives a quick overview of the fundamental concepts necessary to understand DS1 (a.k.a T1) interface technology, framing, signaling and general concepts. DS1 is a widely used telecommunications standard in North America and Japan (J1) to transmit voice and data between central offices and PBXs.