H3C SecPath F1000-AI-5 Series

9-3
Figure9-3 Straight-through cable
Figure9-4 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). Table9-3 and Table9-4
show their pinouts.
Table9-3 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