The cable color code is the 568B standard on each end of a straight-through 10/100BaseT cable. If a crossover cable is needed, use the 568A standard on one end and 568B on the other end.
| Crossover Cable | |
|---|---|
| RJ-45 PIN | RJ-45 PIN |
| 1 Rx+ | 3 Tx+ |
| 2 Rc- | 6 Tx- |
| 3 Tx+ | 1 Rc+ |
| 6 Tx- | 2 Rc- |
 |  |
| Straight Through Cable | |
| RJ-45 PIN | RJ-45 PIN |
| 1 Tx+ | 1 Rc+ |
| 2 Tx- | 2 Rc- |
| 3 Rc+ | 3 Tx+ |
| 6 Rc- | 6 Tx- |
Use a straight thru cable assembly,568B on both ends when connecting Hub to Xcvr or NIC Card. When connecting hub to hub, Xcvr to Xcvr, or NIC to NIC, the wires must crossover at the opposite end of the cable assembly,use the 568B on one end, 568A on the other end.
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