37
Figure1-22 Straight-through cable
Figure1-23 Crossover cable
Select an Ethernet twisted pair cable according to the RJ-45 Ethernet port type on your device. An
RJ-45 Ethernet port can be MDI (for routers and PCs) or MDIX (for switches).
Table1-24 RJ-45 MDI port pinouts
•
Pin
•
10BASE-T/100BASE-TX
•
1000BASE-T
•
Signal
•
Function
•
Signal
•
Function
•
1
•
Tx+
•
Sends data
•
BIDA+
•
Bi-directional data cable A+
Straight-through cable
white/orange
orange
white/green
blue
white/blue
green
white/brown
brown
1
2
3
4
5
6
7
8
white/orange
orange
white/green
blue
white/blue
green
white/brown
brown
1
2
3
4
5
6
7
8
Crossover cable
white/orange
orange
white/green
green
white/orange
orange
white/green
blue
white/blue
green
white/brown
brown
1
2
3
4
5
6
7
8
blue
white/blue
white/brown
brown
1
2
3
4
5
6
7
8