FDDI ( ANSIX3.139,1988) :
1. - ().
2. 500.
3. - 100 .
4. - 2 .
5. ( ).
6. - , Token Ring.
7. - 100 /, , 200 /, .
8. - 45 , NRZI .
FDDI :
1. , 200 /. , , 100 /.
2. .
:
1. . SAC .
2. . DAC , SAC DAC.
.10.9 FDDI.
FDDI
.10.10 FDDI.
- , - .
- .
- (10000000), - , .
.
.
.
: (, ), (2- 6-), ( ), .
.
| 8 | 1 | 1 | 2 6 | 2 6 | 4 | 1 | 1 | |
| < 4500 |
.10.11 FDDI.
FDDI
1. FDDI , Token Ring. FDDI , , , . , . , FDDI , . .
|
|
|
2. FDDI , . . , .
3. FDDI , .
.10.12 FDDI .
4. : .
. , .
. . , .
5. :
TRT (Token Rotation Time), , ;
TTRT (Target Token Rotation Time) , ;
THT , . .
. 10.13 , .
tc ; tc ,,,; tc , ta , ;
ta .
10.6 100 VG Any LAN
Any LAN (802.12, 1995.) . Ÿ :
(100 /),
,
Ethernet Token Ring.
