
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.
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
T
3
2
Green/White
Transmit–
6
3
White/Orange
1
4
Blue/White
No connection
4