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ManualsBrandsMicrochip ManualsIntegrated Circuits (ICs)BASE-TX Physical Layer Transceiver Ethernet/MII/PHY QFN 47mA
31323334353637383940
Micrel, Inc.
KSZ8081MNX/KSZ8081RNB
19, 2015 31
Revision 1.4
Straight Cable
A straight cable connects an MDI device to an MDI-X device, or an MDI-X device to an MDI device. Figure 6 shows a
typical straight cable connection between a NIC card (MDI device) and a switch or hub (MDI-X device).
Figure 6. Typical Straight Cable Connection
Crossover Cable
A crossover cable connects an MDI device to another MDI device, or an MDI-X device to another MDI-X device. Figure 7
shows a typical crossover cable connection between two switches or hubs (two MDI-X devices).
Figure 7. Typical Crossover Cable Connection