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  1. Home /
  2. Intelligent Connectivity /
  3. Serial / USB Communications /
  4. Serial Converters/Isolators/Repeaters - ULI-200 /
  5. RS-232/422 to TTL/Current Loop Converter - ULI-227 /

BB-232LPTTL33
ULI-227D3 - RS-232 (DB9F) to 3.3 Volt TTL (DB9 Male) Converter, Port Powered

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  • Converts 2 channels in each direction from RS-232 to 3.3 V TTL/CMOS
  • Data rate: up to 115.2 kbps baud
  • Powered from RS-232 data/handshake lines (high or low) - no power supply needed
  • RS-232 DB9 female connector; TTL/CMOS DB9 male connector
Datasheet (PDF)
Documents & Downloads
4-channel conversion between 3.3 Vdc TTL/CMOS and RS232. TD, RD, RTS, CTS support. Powered by pin/signals 7(RTS), 4 (DTR), 3(TD); lines can be high or low, but must be present to power the converter. Pin 5 is SG for both connectors. Use with microcontrollers or PLCs supporting TTL.

Product Specifications Download Spec

  • Part Number
  • Details
General
  • Technology
Serial Communication
  • TTL & Current Loop Converter
  • Serial Port Connector Type
  • Serial Port Number
  • Maximum Serial Transmission Speed
Environment
  • Temperature (Operating Range)
Power
  • Power Input (Serial)
Accessory General
  • Mounting

General

  • Technology

    BB-232LPTTL33 Serial

Serial Communication

  • TTL & Current Loop Converter

    BB-232LPTTL33 RS-232 to TTL 3.3 Vdc

  • Serial Port Connector Type

    BB-232LPTTL33 1 x DB9 Female, 1 x DB9 Male

  • Serial Port Number

    BB-232LPTTL33 1

  • Maximum Serial Transmission Speed

    BB-232LPTTL33 115.2 Kbps

Environment

  • Temperature (Operating Range)

    BB-232LPTTL33 0 ~ 70°C (32 ~ 158°F)

Power

  • Power Input (Serial)

    BB-232LPTTL33 Port-Powered from RS-232

Accessory General

  • Mounting

    BB-232LPTTL33 Inline

Support

Datasheet (PDF) Download 3D Model Documents & Downloads

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