Package includes: 1 piece DB9 Female Connector (Wire type)
 
Pin Connections:
Pin number Name  
1 CD      Carrier Detect  
2 RXD     Receive Data  
3 TXD     Transmit Data  
4 DTR     Data Terminal Ready  
5 GND     Signal Ground  
6 DSR     Data Set Ready  
7 RTS     Request To Send  
8 CTS     Clear To Send  
9 RI      Ring Indicator  
 
This is DB9 Female type Right Angle connector for PCB Mounting. It can be easily soldered on PCB and can be used for serial communication.
The DB9 (originally DE-9) connector is an analog 9-pin plug of the D-Subminiature connector family (D-Sub or Sub-D).
 
Applications:
The DB9 connector is mainly used for serial connections, allowing for the asynchronous transmission of data as provided for by standard RS-232 (RS-232C).