Hardware Installation and Reference Guide
Appendix
70
Figure 6-2
Four Pairs of Twisted-pair Cables Used by a 1000BASE-T Port
Straight-Through Cable
Device A
Device B
Device A
Device B
Crossover Cable
Table 6-2
Definition of Pin Signal Concerning the 100BASE-TX/10BASE-T Port
Pin
MDI Mode
MDI-X Mode
1
Output Transmit Data+
Input Receive Data+
2
Output Transmit Data-
Input Receive Data-
3
Input Receive Data+
Output Transmit Data+
6
Input Receive Data-
Output Transmit Data-
4, 5, 7, 8
Not used
Not used
shows feasible connections of the straight-through and crossover twisted pairs of a
100BASE-TX/10BASE-T port.
