Aplex Technology ACS-2663C - Manual (Page 26)

ACS-266XC User Manual 26
2 RXD (Received Data)
3 TXD (Transmit Data)
4 DTR (Data Terminal Ready)
5 Ground
6 DSR (Data Set Ready)
7 RTS (Request To Send)
8 CTS (Clear To Send)
9 RI/5V/12V (JP2 select Setting)
COM1/RS422 (option):
Pin# Signal Name
1 422_RX+
2 422_RX-
3 422_TX-
4 422_TX+
5 Ground
6 NC
7 NC
8 NC
9 5V/12V (JP2 select Setting)
COM1/RS485 (option):
Pin# Signal Name
1 NC
2 NC
3 485-
4 485+
5 Ground
6 NC
7 NC
8 NC
9 5V/12V (JP2 select Setting)
23. JP3:
(2.0mm Pitch 2x3 Pin Header),COM2 jumper setting, pin 1~6 are used to select signal out of pin 9
of COM2 port.
JP3 Pin# Function
Close 1-2 COM2 RI (Ring Indicator) (default)
Close 3-4 COM2 Pin9=+5V (option)