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1.4 I/O Panel
1
COM Port (COM1) (RS232/422/485)*
2
COM Port (COM2) (RS232/422/485)*
3
RJ45 LAN Port (LAN2)**
4
RJ45 LAN Port (LAN1)**
5
Line In (Light Blue)
6
Line out (Lime)
7
Microphone (Pink)
8
USB 3.2 Gen2 Ports (USB3_3_4)
* This motherboard supports RS232/422/485 on COM1, 2 ports. Please refer to below table for
the pin definition. In addition, COM1, 2 ports (RS232/422/485) can be adjusted in BIOS setup
utility > Advanced Screen > Super IO Configuration. You may refer to page 35 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
COM1, 2 Ports Pin Definition
RS232
DCD
RXD
TXD
DTR
GND
DSR
RTS
CTS
PWR
SPEED LED
Status
Description
Off
10Mbps/100Mbps connection
Orange
1Gbps connection
Green
2.5Gbps connection
11
9
USB 3.2 Gen2 Port (USB3_9)
10
USB 3.2 Gen2 Type-C Port (TC_U7_8)
11
D-Sub Port (VGA1)
12
DisplayPort (DP1)
13
HDMI Port (HDMI1)
14
USB 3.2 Gen2 Ports (USB3_1_2)
15
RJ45 LAN Port (LAN3)**
RS422
RS485
TX-
RTX-
TX+
RTX+
RX+
N/A
RX-
N/A
GND
GND
N/A
N/A
N/A
N/A
N/A
N/A
PWR
PWR
ACT/LINK
SPEED
LED
LED
LAN Port
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