Availability: In stock

  • Buy 25 for £65.55 each

Quick Overview

The K3 is an isolated RS232 to RS422 or RS485 converter for 0-38400 baud.

  • Primarily for RS232 to RS422 conversion

  • For RS485, RTS Control is required from the RS232 device

  • DB9 female connector at both ends

  • Plugs directly into a standard PC DB9 RS232 port


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A general purpose RS232 to RS422 isolated interface converter for up to 38400 baud. Can also be used for RS485 if driver control is not required or if the RS232 device provides RTS Control. The K3 can also act as a Master on a 4-wire "RS485" bus. This converter has a female DB9 connector at both ends.

Do not confuse the K3 with imitations which claim to be self-powered but which in fact require power to be supplied to both sides of the converter, or which require about 40mA - far too much for any PC interface to supply.

  • Isolation 100% tested at >1000V AC
  • RS232 port-powered in most applications
  • 0-38400 baud
  • Very low supply current
  • RS232 output swings above and below ground
  • Sony professional compatible (also known as SMPTE) RS422 pinout
  • Very low cost

Additional Information


Product Datasheet

Price £69.00

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