Aaeon APC-8122 Series, User Manual, Page: 31 / 54

R o b u s t P a n e l P C A P C - 8 1 2 2
Chapter 2 Hardware Installation
2 - 11
9 PTD3 10 GND
11 PTD4 12 GND
13 PTD5 14 GND
15 PTD6 16 GND
17 PTD7 18 GND
19 ACK 20 GND
21 BUSY 22 GND
23 PE 24 GND
25 SELECT 26 N.C
2.17 COM1~4 RS-232/422/485 Serial Port Connector (CN16)
5
1
9 6
Only COM 2 support “Wake on Ring” “+5V/+12V” function;
COM 4 is reserved for touch screen.
Pin Signal Pin Signal
1 DCD (422TXD-/485DATA-) 2 DSR
3 RXD () 4 RTS
5 TXD (/) 6 CTS
7 DTR (422RXD-) 8 RI (+5V/12V)
9 GND 10 N.C.