SIIG RS-232 - Manual (Page 10)

10
Clicking Read loads all parameters saved from the last
configuration of the BT232 Config Tool.
RS-232 Pin Assignment
The pin assignment scheme for a 9-pin male connector on
a DTE is given below
Pin1: X Pin 6: DTR
Pin 2: TXD Pin 7: CTS
Pin 3: RXD Pin 8: RTS
Pin 4: DSR Pin 9: DC 5V
Pin 5: GND
RS-232 Wiring Diagram
Serial Device
SB-232 Converter
2 RX 2 TX
3 TX 3 RX
5 GND 5 GRN
4 DTR 4 DSR (Flow Control)
6 DSR 6 DTR (Flow Control)