Chapter 1
General Troubleshooting
Figure 1-5
8 7 6 5 4 3 2 1
End view of RJ-45 plug
Figure 1-6
Figure 1-6
Table 1-32
Table 1-32
Pin
1
2
3
4
5
6
7
8
78-17235-01
RJ-45 Pin Numbers
shows the layout of a LAN cable.
LAN Cable Layout
1
2
3
4
5
6
7
8
shows LAN cable pinouts.
LAN Cable Pinout
Color
Pair
White/orange
2
Orange
2
White/green
3
Blue
1
White/blue
1
Green
3
White/brown
4
Brown
4
Cisco ONS 15310-CL and Cisco ONS 15310-MA Troubleshooting Guide, R7.0
1 2 3 4 5 6 7 8
Looking into an RJ-45 jack
1
2
3
4
5
6
7
8
Name
Pin
Transmit Data +
1
Transmit Data -
2
Receive Data +
3
—
4
—
5
Receive Data –
6
—
7
—
8
1.11.2 Faulty Fiber-Optic Connections
1-69