455U-D Wireless Serial Data Modem

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ELPRO wireless serial modems allow RS232 and/or RS485 serial host devices to communicate transparently. Messages are routed between devices as broadcast (simultaneous transmission of same message) or controlled mode (i.e., specific unit addressing).

455U-D has three available models in terms of functionality:

  • Bell 202 or V23 functionality (455U-B).
  • 405U-D end of life compatibility mode (455U-C).
  • Full functionality RS232/485 modem, addressed/broadcast modes/ Optimal Path Routing for Modbus RTU, DF1 and DNP-3 (455U-D).