IBASE IB903 User Manual
Page 17
INSTALLATIONS
IB903F User’s Manual
13
CN3, CN4: Gigabit LAN (RTL8111G)
CN4 RJ45 LAN connector (only) features for EuP LAN wakeup.
CN5: USB 1/2 Connector
CN6: VGA DVI-I Connector
CN7: DB9 Connector
(COM1) is a DB-9 connector.
Signal Name
Pin #
Pin #
Signal Name
DCD, Data carrier detect
1
6
DSR, Data set ready
RXD, Receive data
2
7
RTS, Request to send
TXD, Transmit data
3
8
CTS, Clear to send
DTR, Data terminal ready
4
9
RI, Ring indicator
GND, ground
5
10
Not Used
COM1 is jumper-less for RS-232, RS-422 and RS-485 and is to be
configured with BIOS Selection.
[
Pin #
Signal Name
RS-232
R2-422
RS-485
1
DCD
TX-
DATA-
2
RX
TX+
DATA+
3
TX
RX+
NC
4
DTR
RX-
NC
5
Ground
Ground
Ground
6
DSR
NC
NC
7
RTS
NC
NC
8
CTS
NC
NC
9
RI
NC
NC
10
NC
NC
NC