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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-4WSD25OTB
Isolated In-line Serial Converter, DB25F/Terminal Blocks

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  • RS-232 to RS-422 or RS-485 (2 or 4 wire) serial conversion
  • 2,000V, two-way optical isolation (input/output)
  • Data rate: 115.2 kbps
  • Quick, inline installation
  • Removable terminal blocks for RS-422/485
  • Automatic Send Data Control - no software drivers necessary
  • 10 to 48 VDC external power required (not included, sold separately)
Datasheet (PDF)
Documents & Downloads
Model 4WSD25OTB converts RS-232 to RS-422 or RS-485 (2 or 4-wire). 2,000 Volts two-way optical isolation protects devices from power surges, spikes and ground loops in harsh electrical environments. This in-line converter supports distances up to 1,200 m (4000 ft.) and data rates up to 115.2 kbps. Switchable modes support 2-wire RS-485, 4-wire RS-485, and full-duplex RS-422. DB9 female RS-232 input. Removable terminal blocks for RS-422/485 and external power make wiring easy. Accepts external power from 10-48 VDC from an industrial power source or plug in power supply (not included, sold separately).

Product Specifications Download Spec

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

General

  • Technology

    BB-4WSD25OTB Serial

  • Mounting

    BB-4WSD25OTB Inline

  • Power

    BB-4WSD25OTB 10-48VDC

  • Temperature

    BB-4WSD25OTB 0 to 70C

  • Isolation

    BB-4WSD25OTB 2kV

Support

Datasheet (PDF) Documents & Downloads

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