C-8Compaq NC3134 Fast Ethernet Server Adapter User Guide

Gigabit over Copper External Crossover Pinouts

When a crossover function is not provided by either the adapter or hub or switch, you must implement it through the twisted-pair media using the physical pinouts shown in Table C-12.

Table C-12

Gigabit over Copper Crossover Pinouts

Pin

Function

Color Match

Function

Pin

 

 

 

 

 

1

BI_DA+

White/Orange

BI_DB+

3

 

 

 

 

 

2

BI_DA-

Orange/White

BI_DB-

6

 

 

 

 

 

3

BI_DB+

White/Green

BI_DA+

1

 

 

 

 

 

4

BI_DC+

Blue/White

BI_DD+

7

 

 

 

 

 

5

BI_DC-

White/Blue

BI_DD-

8

 

 

 

 

 

6

BI_DB-

Green/White

BI_DA-

2

 

 

 

 

 

7

BI_DD+

White/Brown

BI_DC+

4

 

 

 

 

 

8

BI_DD-

Brown/White

BI_DC-

5

 

 

 

 

 

Figure C-4 shows the correct Gigabit over copper wiring to be used when the crossover function is implemented externally (in the twisted-pair cabling).

Figure C-4. Gigabit over copper external crossover for RJ-45 connector

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Compaq 3134 manual Gigabit over Copper External Crossover Pinouts, Table C-12 Gigabit over Copper Crossover Pinouts