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INCITS 231-1994[S2008]
Information Systems - Fiber Distributed Data Interface (FDDI) - Physical Layer Protocol (PHY-2)
The described Physical Layer Protocol Standard is intended for use in a high-performance multinode network. This protocol is designed to be effective at 100 megabits per second using a token ring architecture and fibre optics or other transmission media over distances of several kilometers in extent.
InterNational Committee for Information Technology Standards [incits]