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Chapter 2: Installation
JPW2
SRW2
SRW3
SRW4
SRW1
B2
A12
B11
A1
JPH1
J4
JGP1
JLCDPWR1
JHDMI1
B1
B2
B11
A14
A9
A10
I-SATA1
B9
B1
A9
A1
A4
B5
A5
LVDS1
JD1
FAN1
J2
J3
JCOM1:
JCOM2:
JPME2
JPT1
JPF1
BT1
JF1
DP
USB7
USB2/3
USB6(3.0)
COM2
COM3
COM1
COM4
AUDIO FP
USB4/5(3.0)
LAN1
JD1:
SPEAKER
LAN2
PWR ON
RST
LED
HDD
LED
PWR
JF1
USB0/1
COM Ports
There are four COM ports (JCOM1: COM1/COM2 supports two RS232/RS422/RS485 and
JCOM2: COM3/COM4 supports two RS232) on the motherboard. Refer to the table below
for pin definitions.
1
2
1. JCOM1
2. JCOM2
3. I-SATA1
SATA Port
The X11SSN-H/-E/-L has one SATA 3.0 port (I-SATA1).
3
Serial COM Ports (JCOM2)
Pin Definitions
Pin#
Definition
Pin#
Definition
1
DCD3
2
DSR3
3
RXD3
4
RTS3
5
TXD3
6
CTS3
7
DTR3
8
RI3_N
9
GND
10
N/A
11
DCD4
12
DSR4
13
RXD4
14
RTS4
15
TXD4
16
CTS4
17
DTR4
18
RI4_N
19
GND
20
N/A
Serial COM Ports (JCOM1)
Pin Definitions
Pin#
Definition
Pin#
Definition
1
DCD1
or RS-485/422_COM1_TX- (Full Duplex)
or RS-485_COM1_Data- (Half Duplex)
2
DSR1
3
RXD1
or RS-485/422_ (Full Duplex)
or RS-485_CO (Half Duplex)
4
RTS1
5
TXD1 or RS-485/422_ (Full Duplex)
6
CTS1
7
DTR1 or RS-485/422_COM1_RX- (Full Duplex)
8
RI1_N
9
GND
10
N/A
11
DCD2
or RS-485/422_COM2_TX- (Full Duplex)
or RS-485_COM2_Data- (Half Duplex)
12
DSR2
13
RXD2
or RS-485/422_ (Full Duplex)
or RS-485_CO (Half Duplex)
14
RTS2
15
TXD2 or RS-485/422_ (Full Duplex)
16
CTS2
17
DTR2 or RS-485/422_COM2_RX- (Full Duplex)
18
RI_N2
19
GND
20
N/A