UART/RS232

Triggering and decoding

UART/RS-232/RS-422/RS-485 Serial Triggering and Decoding
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UART/RS-232/RS-422/RS-485 Serial Triggering and Decoding
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UART/RS-232/RS-422/RS-485 Serial Triggering and Decoding
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UART/RS-232/RS-422/RS-485 Serial Triggering and Decoding
Open Lightbox
UART/RS-232/RS-422/RS-485 Serial Triggering and Decoding
Open Lightbox
UART/RS-232/RS-422/RS-485 Serial Triggering and Decoding
Open Lightbox
UART/RS-232/RS-422/RS-485 Serial Triggering and Decoding
Open Lightbox
UART/RS-232/RS-422/RS-485 Serial Triggering and Decoding
Open Lightbox
UART/RS-232/RS-422/RS-485 Serial Triggering and Decoding
Open Lightbox
UART/RS-232/RS-422/RS-485 Serial Triggering and Decoding
Open Lightbox
UART/RS-232/RS-422/RS-485 Serial Triggering and Decoding UART/RS-232/RS-422/RS-485 Serial Triggering and Decoding UART/RS-232/RS-422/RS-485 Serial Triggering and Decoding UART/RS-232/RS-422/RS-485 Serial Triggering and Decoding UART/RS-232/RS-422/RS-485 Serial Triggering and Decoding UART/RS-232/RS-422/RS-485 Serial Triggering and Decoding UART/RS-232/RS-422/RS-485 Serial Triggering and Decoding UART/RS-232/RS-422/RS-485 Serial Triggering and Decoding UART/RS-232/RS-422/RS-485 Serial Triggering and Decoding UART/RS-232/RS-422/RS-485 Serial Triggering and Decoding

Key facts

  • Trigger on start, break, data and various error conditions
  • Telegram display as color-coded bus signals and in decode table
  • Supports decoding of up to 4 serial buses from analog or digital channel signals
  • On-screen serial decoding is time-correlated with the serial data waveform
  • Fastest UART and RS-232/RS-422/RS-485 eye-diagram mask testing with standard mask test functionality
  • R&S oscilloscopes | Engineered for multi-domain challenges

Oscilloscope software

All Rohde & Schwarz oscilloscopes support triggering and decoding of UART and of RS-232, RS-422 and RS-485 buses. You can set up decoding in seconds. For detailed analysis, results can be viewed as color-coded telegrams and/or in a table. Errors are identified efficently and reliably using the hardware-accelerated trigger. You can trigger on start, break, data and various error conditions.

Features & benefits

Fast bus setup

Bus setup in seconds with the app cockpit

Starting from the app cockpit, it only takes a few steps to configure any given protocol. Once the bus to decode has been chosen, the connected channels selected and the correct levels set, decoding begins automatically.

Oscilloscope - Serial Triggering and Decoding
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Bus decoding selection with the app cockpit.

Color-coded telegram display

Telegram display as color-coded bus signals and in decode table

You can analyze the decoded bus frames by overlaying the signal with color-coded data. Address and data content can be displayed in hex, bin or ASCII format. You always have the best overview with the flexible screen setup. The telegrams can also be displayed in a concise table.

Oscilloscope - Serial triggering and decoding
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Decoded frames are color-coded.

Strong trigger capability

Strong trigger capability on start, break, data and various error conditions

The protocol-specific trigger lets you reliably isolate protocol events and errors. Thanks to high acquisition rates, Rohde & Schwarz oscilloscopes are ideal for finding errors quickly, allowing decoding of protocol-specific trigger results. The hardware-based triggering is available on specific protocol content, e.g. addresses, data and protocol errors.

Oscilloscope - Serial triggering and decoding
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Protocol trigger setup dialog.

Available models


  • Option Name

    R&S®RTP-K2

    Order number 1337.8610.02

    Serial Standard
    UART/ RS-232/ RS-422/ RS-485
    Decode Table
    Trigger
    Label Support
    Base unit
  • Option Name

    R&S®RTO-K2

    Order number 1329.7277.02

    Serial Standard
    UART/ RS-232/ RS-422/ RS-485
    Decode Table
    Trigger
    Label Support
    Base unit
  • Option Name

    R&S®RTE-K2

    Order number 1326.1184.02

    Serial Standard
    UART/ RS-232/ RS-422/ RS-485
    Decode Table
    Trigger
    Label Support
    Base unit
  • Option Name

    R&S®RTA-K2

    Order number 1335.7698.02

    Serial Standard
    UART/RS-232/
    RS-422/RS-485
    Decode Table
    Trigger
    Label Support
     
    Base unit
  • Option Name

    R&S®RTM-K2

    Order number 5710.1450.02

    Serial Standard
    UART/ RS-232/ RS-422/ RS-485
    Decode Table
    Trigger
    Label Support
     
    Base unit
  • Option Name

    R&S®RTB-K2

    Order number 1333.1028.02

    Serial Standard
    UART/ RS-232/ RS-422/ RS-485
    Decode Table
    Trigger
    Label Support
     
    Base unit
  • Option Name

    R&S®RTC-K2

    Order number 1335.7246.02

    Serial Standard
    UART/RS-232/
    RS-422/RS-485
    Decode Table
    Trigger
    Label Support
     
    Base unit
  • Option Name

    R&S®RTH-K2

    Order number 1325.9975.02

    Serial Standard
    UART/ RS-232/ RS-422/ RS-485
    Decode Table
    Trigger
    Label Support
     

More information

  • Talking about triggering

    Talking about triggering

    Part 3: trigger sensitivity, Trigger and decode of low speed serial buses with R&S oscilloscopes

    More information

  • Triggering and decoding of low speed serial buses

    Triggering and decoding low speed serial buses

    Illustrates how to trigger and decode I²C and SPI protocols with Rohde & Schwarz oscilloscopes

    More information

Oscilloscope portfolio

  • Oscilloscopes

    Oscilloscopes that fit your requirements and your budget, from top value to top performance.

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  • Oscilloscope software

    Select from a wide range of protocol triggering and decode apps, compliance testing apps, and analysis software.

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  • Oscilloscope probes

    Customize your oscilloscope with the right probes and accessories for your application.

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