61
Figure 61 Crossover cable
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
Pin assignments
Select an Ethernet twisted pair cable according to the RJ-45 Ethernet interface type on your device. An
RJ-45 Ethernet interface can be MDI (for routers and PCs) or MDIX (for switches). For the pinouts of RJ-45
Ethernet interfaces, see Table 30 and Table 31.
Table 30 RJ-45 MDI interface pinouts
1
0Base-T/100Base-TX 1000Base-T
Pin
Signal Function Signal Function
1 Tx+ Send data BIDA+ Bi-directional data cable A+
2 Tx- Send data BIDA- Bi-directional data cable A+
3 Rx+ Receive data BIDB+ Bi-directional data cable B+
4 Reserved — BIDC+ Bi-directional data cable C+
5 Reserved — BIDC- Bi-directional data cable C
6 Rx- Receive data BIDB- Bi-directional data cable B
7 Reserved — BIDD+ Bi-directional data cable D+
8 Reserved — BIDD- Bi-directional data cable D-
Table 31 RJ-45 MDI-X interface pinouts
10Base-T/100Base-TX 1000Base-T
Pin
Signal Function Signal Function
1 Rx+ Receive data BIDB+ Bi-directional data cable B+
2 Rx- Receive data BIDB- Bi-directional data cable B-
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