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Chapter 17
17. Ethernet Controller
The MOPSlcdLX uses a Intel 82551ER PCI Fast Ethernet Controller. The network controllers support 10/100
Base-T interfaces. The devices auto-negotiate the use of a 10 Mbit/sec or 100 Mbit/sec connection. An
error-free operation can be guaranteed up to 100 meters CAT4 ethernet cable.
17.1 Connector
The Ethernet interface is available through Connector X16000 (8 pins). To have the signals of the Ethernet
connection available on a standard RJ45 connector, you need an adapter cable, which is offered by Kontron
(KAB-MOPS-ETN1, Part Number 96048-0000-00-0).
The following table shows the pinout.
Header
Note:
TXD+, TXD- differential-output pair drives 10 and 100 Mb/s Manchester-encoded data to 100/10 BASE-T trans-
mit lines. RXD+, RXD- differential input pair receives 10 and 100 Mb/s Manchester-encoded data from 100/
10BASE-T receive lines.
To find the location of the Ethernet interface on the MOPSlcdLX board, please see the Appendix "Connector
Layout".
Kontron User's Guide MOPSlcdLX
Pin
Signal Name
1
TXD+
2
TXD-
3
RXD+
4
SHLDGND
5
SHLDGND
6
RXD-
7
SHLDGND
8
SHLDGND
30
Function
10BASE-T Transmit
Differential Output
10BASE-T Transmit
Differential Output
10BASE-T Receive
Differential Input
Shield ground
Shield ground
10BASE-T Receive
Differential Input
Shield ground
Shield ground
Ethernet Controller
In/Out
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