5 the lan cable (rj45), The lan cable (rj45) – Kontron MSM800BEV User Manual
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7.3.5 The LAN Cable (RJ45)
Attention:
Early board versions use the MSM855-LANCON. Later versions must use the MSM800-LANCON, because
the LAN transformer (pulse) is integrated on the MSM800 product. See below for the version numbers.
Use the MSM800-LANCON starting with the
following versions:
BEV Version 1.0
For earlier versions use the MSM855-LANCON:
RJ45 connector 10BaseT (IEEE 802.3i), 100BaseTX (IEEE 802.3u):
MDI-Pin
EIA/TIA 568A
colors (wire/line)
Pin
Twisted Pair
TX+
White /green
1
3
TX-
Green
2
3
RX+
White/orange
3
2
GND ..
4
1
GND ..
5
1
RX-
Orange
6
2
GND ..
7
4
GND ..
8
4
Cabling:
Do not exceed 100m (328 feet); minimum quality of CAT5, preferably S/FTP or STP CAT6.
Note:
Be sure to have a well balanced shield/ground concept.