Aplex Technology ACS-2170 - Manual (Page 24)

ACS-2170 User Manual 23
RS485 (option)
Pin# Signal Name
1 NC
2 NC
3 485-
4 485+
5 Ground
6 NC
7 NC
8 NC
9 NC
BIOS Setup:
Advanced/F81216SEC Super IO Configuration/Serial Port 1 Configuration 【RS-485】
24. JP2:
(2.0mm Pitch 2x3 Pin Header), COM2 jumper setting, pin 1~6 are used to select
signal out of pin 9 of COM2 port.
JP2 Pin# Function
Close 1-2 COM2 RI (Ring Indicator) (default)
Close 3-4 COM2 Pin9: DC+5V (option)
Close 5-6 COM2 Pin9: DC+12V (option)
25. COM2:
(Type DB9M),Rear serial port, standard DB9 Male serial port is provided to
make a direct connection to serial devices.
Pin# Signal Name
1 DCD# (Data Carrier Detect)
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 JP2 select Setting (RI/5V/12V)