User`s manual

Functional Description 39
cPCI-3920
Gigabit Connector RJ-45 Pin Definitions (CN7/CN8)
The CN7/CN8 connector supplies the 10Base-T, 100Base-
TX and 1000Base-T interfaces to the Ethernet controller.
Table 3-7: Gigabit Connector CN7/CN8 Pin Definitions
Ethernet LED Status
SPEED (green):
When green it indicates a 1000BASE-TX connection. When not
lit and the ACT-LED is active, the connection is operating at
100BASE-T.
ACT (yellow):
This LED monitors network connection and activity. The LED
lights up when a valid link (cable connection) has been estab-
lished. The LED goes temporarily off if network packets are
being sent or received through the RJ-45 port. When this LED
10BASE--T 100BASE--TX 1000BASE--T PIN
I/O SIGNAL I/O SIGNAL I/O SIGNAL
O TX+ O TX+ I/O BI_DA+ 1
O TX- O TX- I/O BI_DA- 2
I RX+ I RX+ I/O BI_DB+ 3
-- -- -- -- I/O BI_DC+ 4
-- -- -- -- I/O BI_DC- 5
I TX-- I RX-- I/O BI_DB- 6
-- -- -- -- I/O BI_DD+ 7
-- -- -- -- I/O BI_DD- 8