Owner manual

ECW-281B Embedded System
Page 34
Figure 3-14: ECW-281B/281B2-R20 External Peripheral Interface Connector
3.4.1 LAN Connectors
CN Label:
LAN1 and LAN2
CN Type:
RJ-45
CN Location:
See
808H724H724H724HFigure 3-14
CN Pinouts:
See
809H725H725H725HTable 3-14
The ECW-281B/281B2-R20 is equipped with two built-in RJ-45 Ethernet controllers. The
controllers can connect to the LAN through two RJ-45 LAN connectors. There are two
LEDs on the connector indicating the status of LAN. The pin assignments are listed in the
following table:
PIN DESCRIPTION PIN DESCRIPTION
1 MDIA3- 5 MDIA1+
2 MDIA3+ 6 MDIA2+
3 MDIA2- 7 MDIA0-
4 MDIA1- 8 MDIA0+
Table 3-14: LAN Pinouts
Figure 3-15: RJ-45 Ethernet Connector