Aplex Technology ARCHMI-912 - Manual (Page 51)

ARCHMI-9XX Series User Manual 50
COM3:
(Type DB9), serial port, standard DB9 serial port is provided to make a direct
connection to serial devices. COM3 port is controlled by pins No.1~6 of JP5,
select output Signal RI or 5V or 12v, for details, please refer to description of
JP5.
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 JP5 Setting:
Pin1-2: RI (Ring Indicator) (default)
Pin3-4: 5V Standby power (option)
Pin5-6: 12V Standby power (option)
JP6：
(2.0mm Pitch 2x3 Pin Header), COM_6 setting jumper, pin 1~6 are used to
select signal out of pin 9 of COM_6 port.
JP6 Pin# Function
Close 1-2 RI (Ring Indicator) (default)
Close 3-4 COM_6 Pin9: +5V (option)
Close 5-6 COM_6 Pin9: +12V (option)
COM_6：
(2.0mm Pitch 2X5 Pin Header), COM4 Port, up to one standard RS232 port are
provided. They can be used directly via COM cable connection.
Signal Name Pin# Pin# Signal Name
DCD 1 2 RXD
TXD 3 4 DTR