Installation Manual
Quidway S3526 Ethernet Switch
Appendix B RJ-45 Connector
B-1
Appendix B RJ-45 Connector
S3526 Ethernet Switch adopts RJ-45 connectors for the 10Base-T/100Base-TX and
1000Base-T interfaces.
Figure B-1 illustrates the appearance of RJ-45 connector and the pinout arrangement.
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Table B-1 lists the electrical property RJ-45 connector pinout in MDI mode.
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Table B-2 lists the electrical property RJ-45 connector pinout in MDI-X mode.
PIN #8
PIN #1
Figure B-1
RJ-45 connector
Table B-1
RJ-45 MDI interface pinout assignment
10Base-T/100Base-TX
1000Base-T
Pinout
Signal
Function
Signal
Function
1 Tx+
Send data
BIDA+
Bi-directional data wire A+
2 Tx-
Send data
BIDA-
Bi-directional data wire A-
3 Rx+
Receive data
BIDB+
Bi-directional data wire B+
4 Reserved
- BIDC+
Bi-directional data wire C+
5 Reserved
- BIDC-
Bi-directional data wire C-
6 Rx-
Receive data
BIDB-
Bi-directional data wire B-
7 Reserved
- BIDD+
Bi-directional data wire D+
8 Reserved
- BIDD-
Bi-directional data wire D-
Note:
Tx = Send data
Rx = Receive data
BI = Bi-directional data