Datasheet

FIGURE 3-6: TYPICAL CROSSOVER CABLE CONNECTION
RECEIVE PAIR RECEIVE PAIR
TRANSMIT PAIR
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
TRANSMIT PAIR
10/100 ETHERNET
MEDIA DEPENDENT INTERFACE
10/100 ETHERNET
MEDIA DEPENDENT INTERFACE
MODULAR CONNECTOR
(RJ-45)
HUB
(REPEATER OR SWITCH)
CROSSOVER
CABLE
MODULAR CONNECTOR
(RJ-45)
HUB
(REPEATER OR SWITCH)
 
KSZ8081RNA/RND
3.7 Loopback Mode

 
 
 

 
 
 
 
 
 
FIGURE 3-7: LOCAL (DIGITAL) LOOPBACK
RMII
MAC
RMII
PCS
(DIGITAL)
AFE
(ANALOG)
KSZ8081RNA/RND