SoM-112ES User Manual
Revision 1.00 © 2018
- 15 -
47
5V_VCC
48
5V_VCC
49
GND
50
GND
4.4
RS-232 Serial Port COM A Header (HDR2)
Pin
10-Pin Header: Description
1
NC
2
NC
3
COMA_RX232
4
NC
5
COMA_TX232
6
NC
7
NC
8
NC
9
GND
10
NC
4.5
RS-232/422/485 Serial Port COM B Header (HDR3)
Pin
RS-232 10-Pin Header: Description
RS-422/485 10-Pin Header: Description
1
NC
COMB_422/485_TX-
2
NC
NC
3
COMB_232RX
COMB_422/
4
COMB_232_RTS
NC
5
COMB_232TX
COMB_422/
6
COMB_232_CTS
NC
7
NC
COMB_422/485_RX-
8
NC
NC
9
GND
GND
10
NC
NC
4.6
Audio Input Jack (JK1)
Pin
Signal
1
GND
2
LINEIN_L
3
LINEIN_R
4.7
Audio Output Jack (JK2)
Pin
Signal
1
GND
2
HP_L
3
HP_R
