____ ________________3.3.  Ethernet (802.3)      207

 1 OBase-5

 lOBase-5      Ethernet -
 Xerox     Ethernet.    
        50 ,
    2,17     
10  ( Ethernet).     
RG-SnRG-ll.

  ,    ,  -
,    ,   . 3.7.

      .   
  500  ( )      -
   50 ,  
       . 
  ()     ,  
    ,     ,   
 .




 RG8  RG11

1 |-5^--	-						1-1 i 1
		- -				-	- -	^		
		  k 1					^		L				J U	J		
						L^v^				tot						
																
						 							
		 "-  -		3-15 I					

. 3.7.      10 Base-5,    

        
 (transmitter+receioer = transceiver).   -
        .  
     ,  -
  ,    .

         (Attach-
ment Unit Interface)   50 ,   4   ( 
  AUI).       -
            
.      ,    -
   ,       MAC.
   ,    (,  
 )    AUI.    -
 AUI   DB-15.

       100 , 
        2,5 . 
     2,5 ,    -
 .       
          .