Kontron JRexplus-DC - Manual (Page 34)

KTD-S0008-F Page 29 LAN Controllers
JRexplus-DC User's Guide
13 LAN Controllers
The JRexplus-DC supports a Fast LAN PCI and a Gigabit PCI Express LAN controller.
13.1 Gigabit LAN Controller
The Gigabit LAN interface uses an Intel ® 82574L PCI Express LAN controller. The controller support 10/
100/1000 Base-T interfaces. The devices auto-negotiates the use of a 10, 100 or 1000 Mbps connection.
Additionally it is possible to enable the LAN PXE Boot in the BIOS Setup to allow the system to boot up via a
network connection from a PXE server.
13.1.1 Connector
The LAN interface is available through the standard RJ45 connector J21 (8 pins).
Header Pin Signal Name Function
1 TXD+ / BI_D1+ 10/100 transmit / 1000 pair 1 (positive)
2 TXD- / BI_D1- 10/100 transmit / 1000 pair 1 (negative)
3 RXD+ / BI_D2+ 10/100 receive / 1000 pair 2 (positive)
4 BI_D3+ 1000 pair 3 (positive)
5 BI_D3- 1000 pair 3 (negative)
6 RXD- / BI_D2- 10/100 receive / 1000 pair 2 (negative)
7 BI_D4+ 1000 pair 4 (positive)
1
8 BI_D4- 1000 pair 4 (negative)