|
Pinout references |
Signal |
DB-9 plug pin |
Base RS-485 port (COM2) pinouts |
|
|---|---|---|---|---|
|
DB-9 Plug (Male)  |
DCD |
Data carrier detect |
1 |
 |
|
RXD |
Receive data |
2 |
||
|
TXD |
Transmit data |
3 |
||
|
DTR |
Data terminal ready |
4 |
||
|
GND |
Ground |
5 |
||
|
DSR |
Data set ready |
6 |
||
|
RTS |
Request to send |
7 |
||
|
CTS |
Clear to send |
8 |
||
|
Not used on the FX30E/FX60E |
9 |
|||