
Gigabit over copper pinouts using external crossover through twisted pair media
When a crossover function is not provided by the adapter, hub or switch, you must implement it through the 
Pin
1
2
3
4
5
6
7
8
Function  | Color match  | 
BI_DA+ | Orange  | 
BI_DA-  | Orange/White  | 
BI_DB+  | Green  | 
BI_DC+  | Blue/White  | 
BI_DC-  | Blue  | 
BI_DB-  | Green/White  | 
BI_DD+  | Brown  | 
BI_DD-  | Brown/White  | 
  | 
  | 
Function
BI_DB+ BI_DB- BI_DA+ BI_DD+ BI_DD- BI_DA- BI_DC+ BI_DC-
Pin
3
6
1
7
8
2
4
5
Specifications 15