Accessories Signal Converters
4WSD9R - Convert RS-232 to RS-485 with no power supply
  • These port-powered converters change TD and RD RS-232 lines to RS-485 signals. All are port powered and feature Automatic Send Data Control. SDC automatically enables the RS-485 driver when data is present on the RS-232 side. Control of the driver is automatic at rates up to 115.2 kbps.
  • Powered from RS-232 handshake lines — no power supply needed!
  • Extend RS-232 signals to 4,000 feet
  • Automatic Send Data Control - no software drivers needed!
  • Communicate at baud rates to 115.2 kbps
  • Alternate power supply methods shown below

RS232 to RS422 converter,DB25 male