230  3     

3.5.  FDDI

 FDDI (Fiber Distributed Data Interface)   
       ,   -
    - .   
     -   -
    80- ,     -
     .   9.5
 ANSI     1986  1988 .   -
 FDDI,       100 /  -
 -    100 .

3.5.1.   

 FDDI      Token Ring,  
   .   FDDI  
      :

       100 /;

        -
        , 
 , ,      
 . .;

      

   ,     (  )

.

 FDDI      ,  
        .  
         FDDI,  ,
      , 
    .

            -
    (Primary) ,     Thru 
  .   (Secondary)    
.

  -  ,      
  (,     ),  
   (. 3.16),    .  
   Wrap,      .
     / 
 FDDI.        
     (    -
   ),       ( 
 ).         -
  -      -
,        
.