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Internal I/O Connectors
X
COM (Serial) ports
USB 3/4
1
DP+
5
+12V Power
LAN 1/2
DP/COM1
HDMI
VGA
LAN3
USB 1/2
(USB 3.1 Gen 1)
LAN4
USB 7/8
(USB 3.1 Gen 2)
Mic In
Line Out
Line In
Note
2280
2260
PCIE1 (PCIe x16)
Buzzer
PCIE2 (PCIe x16)
JP2
6
2
6
2
JP1
5
5
1
1
6
2
6
2
JP4
PCIE3 (PCIe x4)
JP3
JP14/13/12/11
5
1
5
1
(right to left)
1
2
JP15
3
3
J12
3
2
1
PCIE4 (PCIe x4)
Front
9
10
1
1
1
5
Audio
USB 11/12
(USB 2.0)
1
JP24
11
20
3
1
1
1
S/PDIF
10
1
1
10
2
Digital I/O (DIO)
USB 9/10 (USB 2.0)
DIO Power
JP5
„ COM Port Pin Assignment
Pin
RS232
with PWR
1
DCD-
2
SIN-
3
SO-
4
DTR-
5
GND
6
DSR-
7
RTS-
8
CTS-
9
RI-
User's Manual | CMS310
SYS FAN1 CPU FAN1
7
1
7
1
DDR4_3
DDR4_4
1
1
8
2
8
2
Front LAN
Front LAN
Battery
LED 1/2
LED 3/4
14
13
2
1
LGA 1200
LPC
12
24
ATX
power
Standby
Power
LED
1
13
1
2
Front
Panel
11
M.2 M Key
SPI Flash
BIOS
1
2
PS2
2242
DDR4_1
DDR4_2
5
1
9
6
2
JP27
SATA0/1
(left/right)
Intel
SATA2/3
W480E/Q470E
(left/right)
USB 3.2 Gen 2
CASE
(USB 5/6)
9
1
2
1
OPEN
3
3
3
1
10
2
9
1
1
1
1
20
11
JP10/8/6/7
M.2 E Key
2
JP26
2230
9
1
(left to right)
Note
2
2
6
2
6
9
1
2
6
2
6
1
1
1
1
5
1
5
1
5
1
5
2
10
2
SYS FAN3 SYS FAN2
COM1/2/3/4
(top to bottom)
COM 1/2/3/4
from top to bottom
9
1
2
RS232
RS422
RS485
+12V
TXD-
Data-
RD
TXD+
Data+
TD
RXD+
---
DTR-
RXD-
---
GND
GND
GND
DSR-
---
---
RTS-
---
---
CTS-
---
---
5V
---
---
The pin functions of COM 1 port will vary according to setting of JP1, JP2, JP3 and JP4. Refer
to "COM1/COM2 RS232/422/485 Select" and "COM1/COM2 RS232/Power Select" in this chap-
ter for more information.
The pin functions of COM 2 port will vary according to setting of JP6, JP7, JP8 and JP10. Re-
fer to "COM1/COM2 RS232/422/485 Select" and "COM1/COM2 RS232/Power Select" in this
chapter for more information.
Connecting External Serial Ports
Your COM port may come mounted on a card-edge bracket. Install the card-edge bracket to
an available slot at the rear of the system chassis then insert the serial port cable to the COM
connector. Make sure the colored stripe on the ribbon cable is aligned with pin 1 of the COM
connector.
Chapter 2
HARDWARE INSTALLATION
24
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