ANSI INCITS 166 : 1989 : R2005

1 Scope
2 Normative references
3 Definitions
4 Conventions and abbreviations
   4.1 Conventions
   4.2 Abbreviations
5 General description
   5.1 Ring Overview
   5.2 Environment
6 Services
   6.1 PMD-to-PHY services
   6.2 PMD-to-SMT services
7 Media attachment
   7.1 Media interface Connector (MIC)
   7.2 MIC intermateability detail
8 Media signal interface
   8.1 Active output interface
   8.2 Active input interface
   8.3 Station bypass interface
   8.4 Station bypass timing definitions
9 Interface signals
   9.1 Optical Receiver
   9.2 Optical Transmitter
10 Cable Plant Interface Specification
   10.1 Cable plant specification
   10.2 Bypassing
   10.3 Connectors and splices
Annexes
Annex A Test methods
  A.1 Active output interface
  A.2 Active input interface
  A.3 Distortion and jitter contributions
  A.4 Distortion and jitter measurements
  A.5 DDJ test pattern for jitter measurements
Annex B Optical test procedures
Annex C Alternative cable plant usage
  C.1 Alternative fibre sizes
  C.2 Theoretical connection losses
  C.3 Optical bypass switches
Table C.1 Alternative fibre types
Table C.2 Theoretical connection losses for mixed fibre types
Table C.3 Summary of loss budget remaining
Annex D Electrical interface considerations
Figure D.1 Test configuration for dc-coupled components
Figure D.2 Test configuration for ac-coupled components
Annex E Example of system jitter allocation
  E.1 Jitter sources
  E.2 Jitter calculation example
Table E.1 System jitter budget example
Annex F Keying considerations
  F.1 Receptacle keying
  F.2 Plug keying
  F.3 Cabling systems
Annex G Reference non-precision MIC test plug
Figure G.1 Reference non-precision MIC plug

Gives a specification for Physical Layer, Medium Dependent (PMD) requirements for the Fiber Distributed Interface (FDDI). Provides a high-bandwidth (100 Mbit/s) general purpose interconnection among peripheral and computer equipment that use fiber optics as the transmission medium.