3-10 Gigabit Ethernet/82543 PMC Installation and Use
Cross-Over Cable Connector (10/100 Mb/s Only)
3
Cross-Over Cable Connector (10/100 Mb/s Only)
To connect two systems back-to-back, you must use a cross-over cable or
a network hub. Table 3-9 lists the connections for creating a cross-over
cable.
Table 3-7. RJ–45 Ethernet Connector Pin Assignments
Pin Wire Color Signal
1 White/Green Data A+
2 Green/White Data A–
3 White/Orange Data B+
4 Blue/White Data C+
5 White/Blue Data C–
6 Orange/White Data B–
7 White/Brown Data D+
8 Brown/White Data D–
Table 3-8. RJ-45 Ethernet Connector Signal Definitions
Pin Signal
Data x+ Transmit/receive positive signal
Data x Transmit/receive negative signal
Table 3-9. Cross-Over Cable Connections
Connector 1 Pin Wire Color Signal Connector 2 Pin
1 White/Green Transmit+ 3
2 Green/White Transmit– 6
3 White/Orange Receive+ 1
4 Blue/White No connection 4