RS232 (Serial) DE9 Male connector

Pins identification

The rs232 - male connector

_________________________
\                       /
 \ (1) (2) (3) (4) (5) /
  \                   /
   \ (6) (7) (8) (9) /
    \_______________/

Pin	Name	Dir	Description
1	CD	←	Carrier Detect
2	RXD	←	Receive Data
3	TXD	→	Transmit Data
4	DTR	→	Data Terminal Ready
5	GND	–	System Ground
6	DSR	←	Data Set Ready
7	RTS	→	Request to Send
8	CTS	←	Clear to Send
9	RI	←	Ring Indicator