578     6 '  

 1,5  6 /,   -     16 / 
1 /.         
   .      -
 ,     Internet  
        ,    -
   ,      . 
       -
    .

. 6.38.    ADSL-   

        -
   ADSL  ADSLAM.    -
         3100   , 
     ,  
   ADSLAM.

     ADSL    
   ISDN  HDSL  ,     
        . 
    ,  ADSL    
,          -
  .       
POTS     ADSL-.   -
         
 .   ISDN  HDSL    -