Aplex APC-3X17B User Manual page 23

JCOM1.
18. COM2:
(Type DB9),Rear serial port, standard DB9 Male serial port is provided to make a
direct connection to serial devices.
19. COM5:
(2.0mm Pitch 2X5 Pin Header),COM5 Port, standard RS232 ports are provided. They
can be used directly via COM cable connection.
APC-3X17B User Manual
Pin#
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
Pin#
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
RI (Ring Indicator)
Signal Name
Signal Name
23