H3C Technologies H3C SecPath L1000-A Load Balancer User Manual
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Figure 51 Crossover cable
Select an Ethernet twisted pair cable according to the RJ-45 Ethernet port 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
and
.
Table 32 RJ-45 MDI interface pinouts
Pin
10Base-T/100Base-TX
1000Base-T
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 N/A
BIDC+ Bi-directional data cable C+
5 Reserved N/A
BIDC- Bi-directional data cable C-
6
Rx-
Receive data
BIDB-
Bi-directional data cable B-
7 Reserved N/A
BIDD+ Bi-directional data cable D+
8 Reserved N/A
BIDD- Bi-directional data cable D-
Table 33 RJ-45 MDI-X interface pinouts
Pin
10Base-T/100Base-TX
1000Base-T
Signal Function
Signal
Function
1
Rx+
Receive data
BIDB+
Bi-directional data cable B+
2
Rx-
Receive data
BIDB-
Bi-directional data cable B-
3
Tx+
Send data
BIDA+
Bi-directional data cable A+
4 Reserved
N/A
BIDD+ Bi-directional data cable D+