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  1. Home /
  2. Intelligent Connectivity /
  3. Serial / USB Communications /
  4. Serial Converters/Isolators/Repeaters - ULI-200 /
  5. RS-232 to RS-422/485 Converters - ULI-224 Series /

BB-485OI9TB
Serial Converter, RS-233 DB9F to RS-422/485 TB

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  • RS-232 to RS-422/485 converter
  • 1.5 KV isolation
  • DB9 female / Terminal block
  • RS-232 side powered by RTS / CTS
  • 12 Vdc power supply (required, not included, sold separately)
  • cULus Recognized
Datasheet (PDF)
Documents & Downloads
Model BB-485OI9TB, isolated converter, converts unbalanced, full-duplex RS-232 signals to balanced full-duplex (4-wire) RS-422/485 or half-duplex (2-wire) RS-485 signals. The converter provides 1,500 Volts RMS optical isolation for data lines and ground (and connected devices) between the RS-232 and RS-422/485 signals. RS-232 port has a female DB9 connector. RS-422/485 port has a 6-position terminal block. The RS-232 side of the converter draws power from the handshake lines (DTR, RTS). At least one handshake line must be asserted (raised high) to power the RS-232 side. The RS-422/485 side must be powered by an external 12 VDC power supply (not included, sold separately).

Product Specifications Download Spec

  • Part Number
  • Details
General
  • Technology
  • Mounting
  • Power
  • Temperature
  • Isolation

General

  • Technology

    BB-485OI9TB Serial

  • Mounting

    BB-485OI9TB Inline

  • Power

    BB-485OI9TB 10-14VDC

  • Temperature

    BB-485OI9TB 0 to 50C

  • Isolation

    BB-485OI9TB 1.5kV

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Datasheet (PDF) Documents & Downloads

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