AR-B1631ET User’s Guide
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2.2.3 DIO1
(GPIO)
2.2.4 AUDIO1
(AUDIO)
2.2.5
COM2, COM3, COM4 (RS232)
2.2.6
J2 (CHASSIS CONTROL)
J2
＋
－
＋
－
AT
ATX
POWER
LED
HD LED
RESET
1 GND
2
+5V
3 XOUT0
4
XOUT1
5 XOUT2
6
XOUT3
7 XIN0
8
XIN1
9 XIN2
10
XIN3
1 2
9 10
1
LINE OUT R
2
LINE OUT L
3 GND
4
GND
5
LINE IN R
6
LINE IN L
7 MIC
IN
8
GND
9 GND
10
GND
1 2
9 10
1 DCD
2
DSR
3 RX
4
RTS
5 TX
6
CTS
7 DTR
8
RI
9 GND
10
NC
1 2
9 10
