MII 4- MAC PHY. MAC PHY 4- , , PHY, "", MAC-.
, PHY MAC 4- , "", PHY.
PHY , MAC " " (receive error). MAC- ( ) PHY " " (transmit error). , , PHY - " ", PHY " ".
MII MAC PHY . MAC- PHY . PHY . , : (Control Register) (Status Register).
, , , - , .. (Auto-negotiation) , ' ', , , , .
, , .
:
100Base-T4;
100Base-TX full-duplex;
100Base-TX half-duplex;
10 Mb/s full-duplex;
10Mb/s half-duplex;
.
Գ 100Base-TX -
PHY PHY FX - MLT-3 - 5- 4/5B , (Auto-negotiation) . MLT-3 5- (. 2.8).
. 2.8. MLT-3
MLT-3, PHY TX PHY FX , - (scrambler/descrambler), ANSI TP-PMD. 5- PCS, 4B/5B, MLT-3 , - .