FDDI (Fiber Distributed Data Interface) , - .
- 80- , . 9.5 ANSI 1986 1988 . FDDI, 100 / - 100 .
FDDI Token Ring, . FDDI :
100 /;
, , , . .;
, ( ) .
FDDI , . FDDI, , , .
(Primary) , Thru . (Secondary) .
- , (, ), ( ), . Wrap, . / FDDI. ( ), ( ). , .
.
. . FDDI ( ), , . (Token Rotation Time, TRT). RT _pr. Token Ring (2,6 260 ), FDDI _pr . _pr, .
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FDDI .
FDDI :
Dual Attachment, DA.
Single Attachment, SA.
FDDI (Station), (Concentrator). , . : SAS (Single Attachment Station), DAS (Dual Attachment Station), SAC (Single Attachment Concentrator) DAC (Dual Attachment Concentrator).
, , , . , . , (Master) , S (Slave).
: PHY (Physical) PMD (Physical Media Dependent)
13. //. . .
() , : , , . .
, . , -, , , , . .
, , . , () , (: -) , ;
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. . , , ( , ), , , , UTP, STP . , IT (Information Technology), , , .
14. //. . . .
. . , .
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MAC . . . , .
, , , , : Ethernet , FDDI , Token Ring , . Ethernet , 10/100.
, , . , , Plug-and-Play, . , , . , , .
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Ethernet . , , . , , . , .
, , . , . .
, . , .
- ASIC, MAC- (. MAC-PHY), 1 /, .