TDi2

RS232 Interface Board

The interface board feature an on board Multi channel TDL2A-433-9 OEM serial modem, MAX232 RS232 driver, 9 way D connector, 5V voltage regulator and SMA RF connector, hence requires just a Voltage supply to power up and operate without any additional interface circuitry. The TDL2A modules would be soldered directly on to the interface board for better grounding and to improve RF performance. The helical antenna and the SMA connector shown are optional. User could also use a two pin terminal block instead to mount a 1/4 whip antenna made of piece of wire or metal rod

Key Facts

Functionality

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RF Power

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Data Rate

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Operational Range

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Two way

Data sheet

Features

  • RS232 driver and DB9F connector for direct interface to PC serial port
  • Serial modem baud rate at 9600bps (half-duplex)
  • Carries ASCII and RTU MODBUS messages
  • Addressable point-to-point
  • 5 serial select wideband channels
  • Access to internal diagnostic/Test modes using HyperTerminal
  • On board SMA antenna connector
  • Signal LED for visual indication of valid code received
  • Setup is simple as Plug-and-Play
  • Set-up and configuration using HyperTerminal
  • Conforms to EN 300 220-3 and EN 301 489-3
  • Size: 61mm x 33mm (excluding helical antenna length of 55mm)

Applications

  • Handheld / portable terminals
  • PDAs, organisers & laptops
  • Industrial telemetry and telecommand
  • In-building environmental monitoring and control
  • Remote data acquisition system, data logging
  • Fleet management, vehicle data acquisition

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