Aplex Technology ACS-2210A - Manual (Page 14)

ACS-2210A User Manual 14
8. COM1
:
(Type DB9),
Rear serial port, standard DB9 serial port is provided
to make a direct connection to serial devices. COM1 port is controlled by pins
No.1~18 of JP485,select output Signal RS232 or RS422 or RS485, For details,
please refer to description of JP485.
Pin
#
Signal Name
RS232 RS422 RS485
1 DCD# (Data Carrier Detect) 422_TX- 485_D-
2 RXD (Received Data) 422_RX- NC
3 TXD (Transmit Data) 422_RX+ NC
4 DTR (Data Terminal Ready) 422_TX+ 485_D+
5 Ground Ground Ground
6 DSR (Data Set Ready) NC NC
7 RTS (Request To Send) NC NC
8 CTS (Clear To Send) NC NC
9 RI (Ring Indicator) NC NC
please refer to description of JP485
9. COM3: (Type DB9),
Rear serial port, standard DB9 serial port is provided
to make a direct connection to serial devices. COM1 port is controlled by pins No.1~6
of JP3 select output Signal RI or 5V or 12v, For details, please refer to description of
JP3.
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)