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1307 units will be available shortly.

Express post shipping available (product is on backorder)

This is quality DB9 female Connector that with solder tail package. DB9 connector is widely used for serial communication RS232, RS485 and RS422 interface.

RS232 DB9 Pinout Diagram

RS-232 Maximum Cable Length

The maximum cable length for RS-232 is 50ft, but in practise depends on baud rate, cable specific capacitance and ambient noise. The table below contains some rules-of-thumb from experiments done by Texas Instruments years ago.

Baud rate Maximum range / cable length 19200 50ft 9600 500ft 4800 1000ft

The DB9 Male Connector For RS232/RS422/RS485 is also available.


  • DB9 Female Connector x1

The DB9 Female Connector For RS232/RS422/RS485 appears in the following collections: