F: FL ( 䳿 PC & Hub) FB ( 䳿 ). . WS 25. ST , 850 .
. . - 2 . "" Ethernet, . " (point - point connection), Ethernet . (.) Ethernet ̲- " . .
, 802.3 : , , ; ; . : , .
6. Ethernet
Ethernet - (), IEEE . IEEE 802.3. Ethernet 10 Mbps CSMA/CD. Ethernet 10Base-T. 㳿 Ethernet Fast Ethernet (100 /).
Ethernet LAN (Local Area Network) .
IEEE CSMA/CD.
802.3 ( , , . .), , , , .
Ethernet , . Ethernet IEEE - 802.3 - 82.
Ethernet:
1) 10- Ethernet (802.3)
- 10 Base 5 10 Base 2 10 Base T 10 Base F
2) 100 - Ethernet Fast Ethernet (802.3u)
- 100Base TX 100 Base T4 100 Base FX
3) 1000 - Ethernet (802.3z)
- 1000 Base SX\LX 1000 Base CX 1000 Base T
10- Ethernet (802.3) ( 10)
10Base-2. IEEE 802.3 Ethernet . Thinnet.
10Base-5. IEEE 802.3 Ethernet . Thicknet.
10Base-F. IEEE 802.3 Ethernet .
10Base-T. IEEE 802.3 i Ethernet (" ").
100 - Ethernet Fast Ethernet (802.3u)
Fast Ethernet 㳿 Ethernet. :
|
|
- 100 /c;
- Ethernet;
- 㳿 - .
10Base-T - Ethernet - , 㳺: Fast Ethernet . 100Base-T (802.3u) ( OSI) :
100Base-TX UTP Category 5, STP Type 1; 100/, .
100Base-T4 UTP Category 3, 4 5;
100Base-FX .
- 200 . (Fast Ethernet + Switch). Fast Ethernet + Switch , ,
- . .
- ϳ Auto-Negotiation 10 100 .
Fast Ethernet:
- I
- II
1) I , . .
2) e II , , . Ethernet, ,
1000 - Ethernet (802.3z)
, . . CSMA/CD (Carrier Sense Multiple Access with Collision Detection), . IEEE 802.3z. - . - . - 750 .
1000 Base SX\LX. . S (Short Wave Length) 850 . L (Long Wave Length) . SX (multimod), LX - (single mod + multimod).