DB9 Male Solder D-SUB Connector - Pack of 5

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  • +300 7 % $0.51
  • +500 7 % $0.51
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DB9 Male Solder D-SUB Connector - Pack of 5 is available to buy in increments of 5

RS232 Serial DB9 Connector package includes of high-quality D-SUB 9PIN (male) and D-SUB 9HOLE (female) 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

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

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