DB9 Male/Female Solder D-SUB Connector

RS232 Serial DB9 Connector package includes of high-quality D-SUB 9PIN (male/Female) and D-SUB 9HOLE (female/male) pair connector which is widely used for serial communication RS232, RS485, and RS422 interface. Therefore D-SUB connector is known as RS232 connector, too. The shape of this connector’s housing is similar to the D character of English letter and the term “DB” is an abbreviation of the D-Subminiature or D-Sub, so DB9 is a type of the D-Subminiature connector with the smallest footprint size, which encircles 9 pins (for the male connector) or 9 holes (for the female connector). DB9 connectors are used as a serial port for serial interfaces, which is a most useful of the external interface of PCs and notebooks, appearing in some computer accessory such as a serial mouse, modem, tablets, etc.
Nine serial pins or holes of DB9 connector is defined as follows:

• 1 DCD Data Carrier Detect 
• 2 RD Receive Data (RDX)
• 3 TD Transmit Data (TDX)
• 4 DTR Data Terminal Ready 
• 5 SG Signal Ground 
• 6 DSR Data Set Ready 
• 7 RTS Request To Send 
• 8 CTS Clear To Send 
• 9 RI Ringing Indicator

Features

Type: DB9 holes Female/ pins Male
Material: Metal (housing and pins/holes), Plastic (housing filler)