Proceedings PaperIntegrated Telecom And Data Ring Network
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The NKT Tele-Ringnet is a combined digital telephone and data network based on a fibre optical ring topology. The purpose of NKT Tele-Ringnet is to carry telephone and data communication as a digital PABX does. However, the optical system is not based on individual lines to a central mother exchange. It is a ringnet with an 8 Mbit/s transmission rate interconnecting simple telephone concentrators. The advantage is that all the telephone and data traffic can be multidropped over a large campus. In addition the signals are carried by an optical dual fibre cable which has many advantages compared with conventional cobber cables, i.e. low attenuation, large noise immunity, no electromagnetic radiation, small size and low weight.