|
<< Click to Display Table of Contents >>
Description of Cables |
PC side FX-232ADP side
RS-232 connector
TX (2) ------------------ RX (3)
RX (3) ------------------ TX (2)
GROUND (7) ------------------ GROUND (7)
When RS232C cable uses pins 4 and 5
RTS (4) ------------------ DSR (6)
CTS (5) ------------------ DTR (20)
When RS232C cable uses pins 6 and 20
DTR (20) ------------------ DSR (6)
DSR (6) ------------------ DTR (20)
NOTE |
These pin numbers refer to a DB-25 connector. When using a DB-9 connector, these pin numbers must be different. |
PC side FX-485PC-IF RS232/485 converter
TX (2) ----------------------- RX (3)
RX (3) ----------------------- TX (2)
RTS (4) ----------------------- CTS (5)
CTS (5) ----------------------- RTS (4)
GROUND (7) ----------------------- GROUND (7)
DTR (20) ----------------------- DSR (6)
DSR (6) ----------------------- DTR (20)
FX-485PC-IF FX-485ADP adapter side
RS232/485 converter RS-485 connector
+-- SDA
DATA(+) -----------------------+-- RDA
GROUND --------------------------- SG (Signal Ground)
DATA(-) -----------------------+-- SDB
+-- RDB