Com Dual Port Header (Cn15) - Aaeon PICO-EHL4-A11 User Manual

2.4.14

COM Dual Port Header (CN15)

Pin RS232 Signal
1 DCD_1
2 DCD_2
3 RX_1
4 RX_2
5 TX_1
6 TX_2
7 DTR_1
8 DTR_2
9 GND
10 GND
11 DSR_1
12 DSR_2
13 RTS_1
14 RTS_2
15 CTS_1
16 CTS_2
17 RI_1/12V/5V
18 RI_2/12V/5V
Chapter 2 – Hardware Information
RS422 Signal
TX_1-
TX_2-
TX_1+
TX_2+
RX_1+
RX_2+
RX_1-
RX_2-
GND
GND
-
-
-
-
-
-
-
-
RS485 Signal
DATA_1-
DATA_2-
DATA_1+
DATA_2+
-
-
-
-
GND
GND
-
-
-
-
-
-
-
-
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