Micrel, Inc.
KSZ8041NL
Crossover Cable
A crossover cable connects a MDI device to another MDI device, or a MDI-X device to another MDI-X device. The
following diagram depicts a typical crossover cable connection between two switches or hubs (two MDI-X devices).
10/100 Ethernet
10/100 Ethernet
Media Dependent Interface
Media Dependent Interface
1
1
Crossover
Cable
Receive Pair
2
Receive Pair
2
3
3
4
4
Transmit Pair
5
Transmit Pair
5
6
7
8
6
7
8
Modular Connector (RJ-45)
HUB
Modular Connector (RJ-45)
HUB
(Repeater or Switch)
(Repeater or Switch)
Figure 3. Typical Crossover Cable Connection
October 2006
21
M9999-102406-1.0
MICREL [ MICREL SEMICONDUCTOR ]
