35
Chapter 2: Installation
Serial COM Ports
Pin Definition
Pin#
Definition
Pin#
Definition
1
DCD
or RS-485/422_COM1_TX- (Full Duplex)
or RS-485_COM1_Data- (Half Duplex)
2
DSR
3
RXD
or RS-485/422_ (Full Duplex)
or RS-485_CO (Half Duplex)
4
RTS
5
TXD or RS-485/422_ (Full Duplex)
6
CTS
7
DTR or RS-485/422_COM1_RX- (Full Duplex)
8
RI_N
9
GND
10
N/A
11
DCD
or RS-485/422_COM2_TX- (Full Duplex)
or RS-485_COM2_Data- (Half Duplex)
12
DSR
13
RXD
or RS-485/422_ (Full Duplex)
or RS-485_CO (Half Duplex)
14
RTS
15
TXD or RS-485/422_ (Full Duplex)
16
CTS
17
DTR or RS-485/422_COM2_RX- (Full Duplex)
18
RI_N
19
GND
20
N/A
COM Headers
The JCOM1 header provides two RS232/422/485 COM connections. Refer to the table below
for pin definitions. Refer to pins 1 - 10 for COM1 and pins 11 - 20 for COM2.
SATA Ports
The A2SAP-E/-L has one SATA 3.0 port (I-SATA1) that is supported by the Intel® Atom SoC.
A2SAP-H doesn't have a SATA port (I-SATA1). The A2SAP-H SATA signal passes through
the EI/O (JEIO) connector.
JDC
JCOM1: COM1/COM2
J3: AUDIO FP
JF1
J6: USB0/1
1
Rev:1.01
DESIGNED IN USA
LED1
BT1
JLCDPWR1
SRW2
SRW1
JPWR1
JLAN2
JLAN1
JEIO1
USB2/3 (3.0)
JHDMI1
LVDS1
I-SA
TA1
JGP1
JMP1
JMD1
JUSB1
1
1. JCOM1
2. I-SATA1
2