. 1 ADSL .
. 1. ADSL
ADSL . ADSL , ADSL.
" "". , : , .
.
0,33,4 . , ADSL 26 . , , 1,1 . 26 138 , 138 1,1 . 26 1,1 . 20 , .
ADSL:
1. ADSL , , ;
2. 100 , 56 /.
3. 70 , ISDN- 128 /c.
4. ADSL
5. ADSL ,
6. ADSL " " , .
HDSL
HDSL (High data rate Digital Subscriber Line) . xDSL, HDSL 1,5 / 2 / , .
- 4,5 . , . 2B1Q, .
VDSL
(Very-High Digital Subscriber Line - )
VDSL :
;
, , .
300 VDSL , ADSL. VDSL .
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VDSL :
1. ;
2. ;
3. ;
4. ;
5. .
, , VDSL.
: .
FITL (Fiber In The Loop " "). FITL FTTA FTTZ:
1. FTTA (Fiber To The Apartment) ;
2. FTTB (Fiber To The Building) ;
3. FTTC (Fiber To The Curb) ;
4. FTTH (Fiber To The Home) ;
5. FTTO (Fiber To The Office) ;
6. FTTOpt (Fiber To The Optimum) / ;
7. FTTR (Fiber To The Remote) , , ;
8. FTTZ (Fiber To The Zone) .
, , , -, , -, .
RADSL
(Rate Adaptive Digital Subscriber Line ) . , RADSL .
RADSL xDSL-, . . , , .
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RADSL :
;
.