KSZ8091RNA Datasheet, PDF (18/62 Pages) Micrel Semiconductor – 10Base-T/100Base-TX Physical Layer Transceiver

KSZ8091RNA/RND
FIGURE 3-5:
TYPICAL STRAIGHT CABLE CONNECTION
10/100 ETHERNET
MEDIA DEPENDENT INTERFACE
10/100 ETHERNET
MEDIA DEPENDENT INTERFACE
1
TRANSMIT PAIR
2
3
4
RECEIVE PAIR
5
6
7
8
STRAIGHT
CABLE
1
RECEIVE PAIR
2
3
4
TRANSMIT PAIR
5
6
7
8
MODULAR CONNECTOR
(RJ-45)
NIC
MODULAR CONNECTOR
(RJ-45)
HUB
(REPEATER OR SWITCH)
3.6.2 CROSSOVER CABLE
A crossover cable connects an MDI device to another MDI device, or an MDI-X device to another MDI-X device.
Figure 3-6 shows a typical crossover cable connection between two switches or hubs (two MDI-X devices).
FIGURE 3-6:
TYPICAL CROSSOVER CABLE CONNECTION
10/100 ETHERNET
MEDIA DEPENDENT INTERFACE
10/100 ETHERNET
MEDIA DEPENDENT INTERFACE
1
RECEIVE PAIR
2
3
4
TRANSMIT PAIR
5
6
7
8
CROSSOVER
CABLE
1
RECEIVE PAIR
2
3
4
TRANSMIT PAIR
5
6
7
8
MODULAR CONNECTOR
(RJ-45)
HUB
(REPEATER OR SWITCH)
MODULAR CONNECTOR
(RJ-45)
HUB
(REPEATER OR SWITCH)
3.7 Loopback Mode
The KSZ8091RNA/RND supports the following loopback operations to verify analog and/or digital data paths.
DS00002298A-page 18
 2016 Microchip Technology Inc.