268     4          _____

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.

 Ethernet        -
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        .   Ethernet -
 ,       .   
      ,  -
   -   .

 Ethernet   ,     , -
    Ethernet.    lOBase-T 
Ethernet      .  Ethernet
 ,  .    Ethernet   ,
       .

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       (
 -).      Ethernet  -
.    -   , -
         
  .      
Ethernet      
   ,        
Ethernet  .

       -
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,       
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.  -    AppleTalk,
ArcNet, Ethernet, FDDI  Token Ring,     lOOVG-AnyLAN,
Fast Ethernet, ATM.

        -
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  (   )    -
,      ,      
.

      -
    5.       
 802.3        Gigabit
Ethernet.

 . 4.4     
 ,       -
 .       25- 
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