Fast Ethernet
Fast Ethernet - . Fast Ethernet :
, DTE DTE ( DTE (Data Terminal Equipment) : , , , .);
2.1. DTE-DTE
100Base-TX | UTP 5 | 100 |
100Base-FX | 62.5/125 | 412 () 2 ( ) |
100Base-T4 | UTP 3,4,5 | 100 |
, DTE ;
;
, .
Fast Ethernet . I : 4/5, 8/6. II - - 4/5, 8/6. I 100 /, II .
I : l00Base-TX, l00Base-FX 100Base-T4. II 100Base-T4, l00Base-TX l00Base-FX, I. , - - 70 bt.
II : 46bt TX/FX 33,5 bt 4. II - 2, 5 .
Fast Ethernet , , . .
2.2. , I
, | , | |
() | ||
(FX) | ||
100 () 160 (FX) | ||
100 () 136 (FX) |
|
|
, , Ethernet 10 /.
Ethernet 10 /, 802.3 . . , , , . , , , , 512 (bt), .
I .
, , . 2.3., .
2.3. - ,
bt 1 | ||
UTP Cat 3 | 1,14 | 114 bt (100) |
UTP Cat 4 | 1,14 | 114 bt (100) |
UTP Cat 5 | 1,112 | 111,2 bt (100) |
STP | 1,112 | 111,2 bt (100) |
1,0 | 412 bt (412) |
, ( ), . 2.4.
2.4. ,
TX/FX | 100 bt |
T4 | 138 bt |
/F 4 | 127 bt |
, , I, 140 bt, , , , . 3.10. 512, , . 802.3 4 bt , 0 5 bt.
, 136 .
136 bt (.2.3), FX 100 bt (.2.4), 140 bt (2 70 bt). 512 bt, , , 0.