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Port Powered RS-232 to RS-485 Converter

Port Powered RS-232 to RS-485 Converter

Brand: B&B ELECTRONICS

Features:

  • The 485SD9R is a port-powered two-channel RS-232 to RS-485 converter. It converts TD and RD RS-232 lines to balanced half-duplex RS-485 signals. The unit is powered from the RS-232 data and handshake lines whether the lines are high or low.
  • RS-232 Side:Connector: DB-9 femaleSignals: Passes through pins 3 (TD) and 2 (RD)Pins 7 (RTS) and 8 (CTS) are tied togetherPins 4 (DTR), 6 (DSR), and 1 (CD) are tied together
  • RS-485 Side:Connector: DB-9 femaleSignals: 2 wire, half-duplex operation onlyAutomatic control circuit enables driver only when transmittingReceiver is disabled when transmitting to prevent echo back to RS-232 device
  • Data Rates: Up to 115.2 k baudDistance: Depending on power from port; will transmit up to 4000 feet at 19,200 baudDimensions: 2.50 x 1.30 x .80 in
  • Power Requirements: No external power is required if two RS-232 output handshake lines are available. If the handshake lines are raised and no termination is used, the power efficiency is greatly increased.

Publisher: Quatech

Details: These port-powered RS-232 to 422/485 converters change TD and RD RS-232 lines to 422/485 signals. All of our serial port converters 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.

UPC: 835788108286

EAN: 8357881082864

Package Dimensions: 4.5 x 2.9 x 0.9 inches

Item Condition: New

MPN: 485SD9R

SKU: ING-8719DC

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