The SMX-900 is a compact, rail-mounted, license-free radiomodem/RTU operating in the 902-928Mhz ISM band. With expandable Modbus and Allen Bradley DF1 addressable I/O modules, built-in RS-232/RS-485/RS-422 and support for up to 254 Servers, the user can easily set up complex point-multipoint SCADA communication systems. Each site consists of a transceiver unit along with a maximum of 8 I/O expansion modules.
License Free 902 -928 MHz Spread Spectrum Radiomodem; 20+ Mile Range; Modular Expansion to Modbus RTU or Allen Bradley DF1 I/O Modules; Multiple Operating Modes: Point-Multipoint (Modbus RTU or AB DF1), I/O Telemetry or Transparent Serial; RS-232/RS-485/RS-422; Configurable as Master, Slave or Repeater; Supports up to 254 Slaves
1200-19200 Baud Data Rate; 9-30VDC Operation; -40 to 85 Deg. C Operating Temperature; DIN Rail Mounted Modules; Link Failure Relay; Autorouting for Network rendundancy and reliability