Description: RS-232 to RS-485 Converter
The EKM RS-232 Serial to RS-485 Converter is suitable for older PCs with built in serial ports or Macs with serial port adapters, such as KeySpan USA-19HS. No other software or drivers are needed.
Please be sure you have the DB9 - 2 row 9 pin serial port
Communication Diagram showing the Serial RS-232 converter connected to up to 256 meters: Available Here
We offer a 2 year replacement warranty on all of our products. If you are unsatisfied with your purchase for any reason, you can return it within 30 days for your money back.