ADLINK PXIe-3975 - Manual (Page 27)

Getting Started 15
PXIe-3975
2.3.8 Gigabit Ethernet Ports
Two Intel 82574L GbE controllers via x1 PCI Express interface
provide dual Gigabit Ethernet connectivity, with the upper connec-
tor supporting Wake-on-LAN function.
Table 2-5: PXIe-3975 Ethernet Port Pin Assignments
The Ethernet ports each include two LED indicators, one Active/
Link indicator and one Speed indicator, functioning as follows.
Pin 1000Base-T Signal 100/10Base-T Signal
1 MDI0+ TX+
2 MDI0- TX-
3 MDI1+ RX+
4 MDI2+ Reserved
5 MDI2- Reserved
6 MDI1- RX-
7 MDI3+ Reserved
8 MDI3- Reserved
LED Status Description
Active/Link
(Yellow) Off Ethernet port is disconnected
ON Ethernet port is connected with no
data transmission
Flashing Ethernet port is connected with
data transmitted/received
Speed
(Green/
Orange) Off 10 Mbps
Green 100 Mbps
Orange 1000 Mbps
NOTE: NOTE:
Although the port 2 Intel 82574 Ethernet device remains
powered even after shutdown and the Active/Link LED
may remain blinking, it is safe to remove the controller or
disconnect power.