12
1.4 I/O Panel
1
COM Port (COM3) (RS232/422/485)*
2
LAN RJ-45 Port**
3
LAN RJ-45 Port**
4
Line In (Light Blue)
5
Line out (Lime)
6
Microphone (Pink)
7
USB 3.1 Ports (USB3_3_4)
8
USB 3.1 Ports (USB3_1_2)
9
DisplayPort (DP1)
10 HDMI Port (HDMI1)
11 DVI-D Port (DVI1)
12 PS/2 Keyboard/Mouse Port
* This motherboard supports RS232/422/485 on COM3 port. Please refer to below table for
the pin definition. In addition, COM3 port (RS232/422/485) can be adjusted in BIOS setup
utility > Advanced Screen > Super IO Configuration. You may refer to page 35 for details.
COM3 Port Pin Definition
1
3
2
4
5
6
7
8
9
10
11
12
PIN
RS232
RS422
RS485
1
DCD, Data Carrier Detect
TX-
RTX-
2
RXD, Receive Data
RX+
N/A
3
TXD, Transmit Data
TX+
RTX+
4
DTR, Data Terminal Ready
RX-
N/A
5
GND
GND
GND
6
DSR, Data Set Ready
N/A
N/A
7
RTS, Request To Send
N/A
N/A
8
CTS, Clear To Send
N/A
N/A
9
No Power/5V/12V
N/A
N/A
** 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
SPEED LED
Status Description Status Description
Off No Link Off 10Mbps connection
Blinking Data Activity Orange 100Mbps connection
On Link
Green 1Gbps connection
ACT/LINK
LED
SPEED
LED
LAN Port
IMB-1311-D
