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Appendix a networking connection, A.1 switch‘s rj-45 pin assignments, A.2 10/100mbps, 10/100base-tx – Planet Technology SGSW-4802 User Manual

Page 79: A.3 rj-45 cable pin assignment, A.1 switch ‘s rj-45 pin assignments

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APPENDIX A NETWORKING CONNECTION

A.1 Switch

‘s RJ-45 Pin Assignments

1000Mbps, 1000Base T

Contact

MDI

MDI-X

1

BI_DA+

BI_DB+

2

BI_DA-

BI_DB-

3

BI_DB+

BI_DA+

4

BI_DC+

BI_DD+

5

BI_DC-

BI_DD-

6

BI_DB-

BI_DA-

7

BI_DD+

BI_DC+

8

BI_DD-

BI_DC-

Implicit implementation of the crossover function within a twisted-pair cable, or at a wiring panel,
while not expressly forbidden, is beyond the scope of this standard.

A.2 10/100Mbps, 10/100Base-TX

Contact

MDI

MDI-X

1

1

3

2

2

6

3

3

1

6

6

2

A.3 RJ-45 cable pin assignment

2 1

3

6

1

2

3

6

2 1

3

6

There are 8 wires on a standard UTP/STP cable and each wire is color-coded. The following shows the
pin allocation and color of straight cable and crossover cable connection: