RS232-RS485/422 Converter


  • Transmission stability: The baud rate is 300BPS-115200BPS, twisted pair or shielded cable, no external power supply is required.
  • Transmission distance: 15M (RS232), 1200M (RS-485), baud rate: 300BPS-115200BPS.
  • Asynchronous half-duplex operation: Convert the TXD and RXD signals of the RS-232 serial port into a two-wire balanced half-duplex RS signal, without an external power supply, through the serial port
  • Remote data communication between computers, external devices, or smart instruments for different standard serial interfaces


RS232 to RS485/422 Converter


  • Compatible Interfaces: RS232C, RS485/422
  • Operation Mode: Asynchronous full/half-duplex differential transmission
  • Transmission Speed: 300BPS-115.2Kbps
  • Operating Environment: -20°C to 70°C, relative humidity 5%-95%
  • Environmental Protection: RS485/422 interface with 600W surge protection per line
  • Transmission Medium: Twisted pair (wire diameter ≥ 0.5MM) or shielded cable
  • Transmission Distance: Up to 1200 meters (RS485/422 end), within 5 meters (RS232)


  • Passive bidirectional converter with signal transmission up to 1200 meters
  • Functions as RS232 to RS485/422 and RS485/422 to RS232 converter
  • Suitable for connecting computers to various RS485/422 and RS232 devices, enabling bidirectional data transmission
  • Imported chip for enhanced durability and stable transmission up to 1200 meters
  • Built-in TVS protection diode for remote transmission of RS485/422 and RS232 devices
  • No external power supply is required, utilizes an RS232 charge pump driver
  • Automatic data flow direction control through a 1/0 circuit, eliminating the need for handshake signals
  • Multiple protections for enhanced safety, including surge and electrostatic protection
  • Tested for 24-hour continuous operation, ensuring stable data transmission without packet loss
  • Automatic conversion of RS485/422 protocol modes, no jumper settings or additional handshake signals required
  • Low latency data transmission with automatic send/receive conversion function
  • Supports four communication modes: point-to-point/two-wire half-duplex, point-to-point/four-wire full-duplex, point-to-multipoint/two-wire half-duplex, point-to-multipoint/four-wire full-duplex

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