HP NC370T PCI-X Multifunction Gigabit Server Adapter - Manual (Page 23)

Specifications
C-6 HP NC370T PCI-X Multifunction Gigabit Server Adapter User Guide
Gigabit external crossover pinouts
When a crossover function is not provided by the adapter, hub or switch, you must implement
it through the twisted-pair media using the physical pinouts shown in Table C-5.
Table C-5: Gigabit 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 wiring to be used when the crossover function is
implemented externally in the twisted-pair cabling.
Figure C-4: Gigabit external crossover for RJ-45 connector