Sscom 32 -

Located at the bottom of the window.

  • Transmission: Click "Send" or press Enter.
  • Periodic Send: Check the box next to "Periodic Send" (often labeled "Auto Send") and set a time interval in milliseconds. SSCOM will repeatedly send your message automatically.

    • Have a device that requires a heartbeat? SSCOM lets you check a box to "Cycle Send". You can set the interval (e.g., 100ms) and it will hammer your device with data automatically. This is perfect for stress testing a UART buffer or validating a serial cable. sscom 32

    If you are working with industrial protocols (like Modbus RTU), you often need to calculate a CRC (Cyclic Redundancy Check) checksum. Located at the bottom of the window

    SSCOM (often referred to by its version number, 32) is a lightweight, portable serial port debugging assistant for Windows. Unlike complex software like LabVIEW or commercial tools like Serial Port Monitor, SSCOM 32 is a single .exe file (often under 500KB) that requires no installation. Transmission: Click "Send" or press Enter

    It allows you to connect to any COM port (COM1 to COM256) and control every parameter: Baud rate, Data bits, Stop bits, Parity, and Flow control (RTS/CTS/DTR/DSR).

    The UI is functional but dated. It typically features:

    Most users download SSCOM 32 to send a simple "AT" command to a modem. But here are the features that make it indispensable for professionals: