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IMB-1211-L:
1
11
1
COM Port (COM3) (RS232/422/485)*
2
DisplayPort (DP1)
3
LAN RJ-45 Port**
4
LAN RJ-45 Port**
5
Line out (Lime)
6
Microphone (Pink)
* This motherboard supports RS232/422/485 on COM3, 4 ports. Please refer to below table for
the pin definition. In addition, COM3, 4 ports (RS232/422/485) can be adjusted in BIOS setup
utility > Advanced Screen > Super IO Configuration. You may refer to page 41 for details.
PIN
1
2
3
4
5
6
7
8
9
** There are two LED next to the LAN port. Please refer to the table below for the LAN port LED
indications.
LAN Port LED Indications
Activity/Link LED
Status
Description
Off
No Link
Blinking Data Activity
On
Link
2
9
10
COM3, 4 Port Pin Definition
RS232
DCD
RXD
TXD
DTR
GND
DSR
RTS
CTS
+5V / +12V
SPEED LED
Status
Description
Off
10Mbps connection
Orange
100Mbps connection
Green
1Gbps connection
17
3
4
8
7
USB 3.0 Ports (USB3_3_4) (Only +5VSB)
8
USB 3.0 Ports (USB3_1_2)
9
D-Sub Port (VGA1)
10
DisplayPort (DP2)
11
COM Port (COM4) (RS232/422/485)*
RS422
RS485
TX-
RTX-
RX+
N/A
TX+
RTX+
RX-
N/A
GND
GND
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
ACT/LINK
LED
5
6
7
SPEED
LED
LAN Port
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