B&B 485SD9R Port-Powered Two-Channel RS-232 - RS-485 Converter

Item # 901-RV7018ING  Model # 485SD9R
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B&B Port-powered 2 channnel converter automatically enables the RS-485 driver when data is present on the RS-232 side and changes TD and RD RS-232 lines to 422/485 signals.
  • RS-485 side: Connector: DB-9 female, Signals: 2 wire, half-duplex operation only, automatic control circuit enables driver only when transmitting, receiver is disabled when transmitting to prevent echo back to RS-232 device
  • RS-232 side: Connector: DB-9 female, Signals: passes through pins 3 (TD) and 2 (RD), pins 7 (RTS) and 8 (CTS) are tied together, pins 4 (DTR), 6 (DSR), and 1 (CD) are tied together
  • Data rates: Up to 115.2 k baud
  • Distance: Depending on power from port, will transmit up to 4000' at 19200 baud
  • Certificates and standards: CE, EN 55022, EN 61000-6-1, EN 61000-4-2, EN 61000-4-3, EN 61000-4-4, EN 61000-4-5, EN, 61000-4-6, EN 61000-4-8, EN 61000-4-11, RoHS
  • Weight: 1.6 oz.
  • Warranty: Lifetime limited
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