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16
Chapter 3 Ports and Connectors
Chapter 3
LAN Port
The LAN port allows the system board to connect to a local area network by means of a net-
work hub.
RS232/422/485 COM 2
COM 2:
RS232/422/485
COM 2
DCD
TXD
RXD
DT
R
GND
1 2 3 4 5
6
8 9
7
DSR
CTS
RT
S
RI
RX+
TX+
RX
-
TX
-
GND
N.C.
1 2 3 4 5
6
8 9
7
N.C. N.C. N.C.
D
ATA
+
N.C.
D
ATA
-
GND
N.C.
6
8 9
7
N.C. N.C. N.C.
1 2 3 4 5
N.C.
