ANSI INCITS 231 : 1994 : R1999

Foreword
1 Scope
2 Normative references
3 Definitions
4 Conventions and abbreviations
  4.1 Conventions
  4.2 Abbreviations
5 General description
6 Services
  6.1 PHY-to-DLL services
  6.2 PHY-to-PMD services
  6.3 PHY-to-SMT services
7 Facilities
  7.1 Coding
  7.2 Symbol set
  7.3 Line states
8 Operation
  8.1 General
  8.2 Encode function
  8.3 Transmit function
  8.4 Receive function
  8.5 Decode function
  8.6 Elasticity Buffer function
  8.7 Line State Detection function
  8.8 Smoothing function
  8.9 Repeat Filter function
Table
Figures
Annex
A Ring latency calculation

Describes the Physical Layer Protocol (PHY), the upper sublayer of the Physical Layer for Fiber Distributed Data Interface (FDDI).