Aplex Technology APC-3228A - Manual (Page 20)

APC-3228A User Manual 20
13. JCOM1:
(2.0mm Pitch 2x3 Pin Header),COM1 jumper setting, pin 1~6 are used to select
signal out of pin 9 of COM1 port.
JP3 Pin# Function
Close 1-2 COM1 RI (Ring Indicator)
(default)
Close 3-4 COM1 Pin9=+5V
(option)
Close 5-6 COM1 Pin9=+12V
(option)
14. COM1:
(Type DB9),
Rear serial port, standard DB9 Male serial port is provided to make a
direct connection to serial devices. COM1 port is controlled by pins No.1~6 of
JCOM1,select output Signal RI or 5V or 12v, For details, please refer to description of
JCOM1.
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 JCOM1 select Setting
15. COM2:
(Type DB9),
Rear serial port, standard DB9 Male serial port is provided to make a
direct connection to serial devices.