A-4
DuraLAN Fast Ethernet NICs User’s Guide
Pin-out and Color Requirements
Diagnostics Loop-back Cable
The following pin-outs are used for diagnostics external and
autonegotiation tests. Refer to
Diagnostic Tests on page D-2
for
more information regarding diagnostic tests.
Straight-through Cable – 10BaseT or 100BaseTX
Pin
Colors – Both Ends
1
Orange/White
2
Orange
3
Green/White
4
Blue
5
Blue/White
6
Green
7
Brown/White
8
Brown
1 3 4 5 6 7 8
2
Loop-back cable