240     3     

           -
   .

 
Ethernet
802.3

 
Fast Ethernet
802.3u


LLC (802.2)


LLC (802.2)


  
MAC

!^ɻ1>


  
MAC


(Reconcilliation)

 AUI             Mil

 
(Physical Coding)

 

(Physical Medium Attachment)

 

(Physical Medium Attachment)

 
 
(Physical Medium Dependent)

s s,

Q-S

 
  
(Auto-Negotiation)


(Medium Dependent Interface)


(Medium Dependent Interface)

. 3.20.   Fast Ethernet   Ethernet

      ,   Fast Ethernet 
   ,   ,
   lOBase-T/lOBase-F.     Fast Ethernet
      200 ,   -
       10    
   10     10- Ethernet.

         
   Fast Ethernet.   ,   90-   
     ,  
      .  
  Fast Ethernet     ,
       ,    
   ,    ( - -
   - ).     -
     Fast Ethernet  
,     ,   .

       .-
 Fast Ethernet,      ,
   802.3.    Fast Ethernet
   4.