.ut-cat{color:#333;font-family:Arial,Helvetica,sans-serif;line-height:1.5;} .ut-cat h4{color:#1a1a1a;font-size:1.15em;margin:1.5em 0 .5em;padding-bottom:.25em;border-bottom:2px solid #ccc;} .ut-cat h2{color:#1a1a1a;font-size:1.25em;margin:1.2em 0 .4em;} .ut-cat h3{color:#222;font-size:1.05em;margin:1em 0 .3em;} .ut-cat p{margin:.6em 0;} .ut-cat ul{margin:.5em 0;padding-left:1.4em;}.ut-cat li{margin:.25em 0;} .ut-cat img{max-width:100%;height:auto;} .ut-cat table{border-collapse:collapse;width:100%;margin:.5em 0;} .ut-cat th,.ut-cat td{border:1px solid #ddd;padding:6px 10px;text-align:left;vertical-align:top;} .ut-cat td strong{color:#222;} Overview The MSO/UPO2000-COM adds RS232/UART serial bus triggering, decoding, and search to your MSO/UPO2000 Series oscilloscope — the most fundamental serial interface in electronics, used for debug consoles, GPS modules, Bluetooth modules, and inter-processor communication. See what's actually happening on a serial port — not just what a terminal shows, but electrical signal and decoded data together. The option is enabled by a software license keyed to the oscilloscope's serial number and is permanent for the life of the instrument. Key Features UART/RS232 Triggering — Trigger on data bytes, parity errors, framing errors, or break conditions. Real-Time Frame Decoding — Decoded UART frames display on the waveform with data bytes, parity, and framing identified. Configurable Parameters — Standard baud rates (1200 to 921600+), 5-9 data bits, parity, 1-2 stop bits. Dual TX/RX Decoding — Decode both transmit and receive lines for full-duplex analysis. Lifetime License Activation — activate once, owned for the life of the instrument. No subscriptions, no renewals, no maintenance fees. When You Need This Option The option fits the following workflows: Debug Console Capture — Trigger on a specific error string in UART boot messages and capture surrounding traffic with full waveform context. GPS Module Integration — Decode NMEA sentences to verify baud rate and data integrity when the module won't communicate with the host. Compatibility This option is compatible with all MSO/UPO2000 Series oscilloscopes (MSO/UPO2102, 2104, 2202, 2204 and -S variants). The same capability is offered on other UNI-T oscilloscope families: MSO/UPO3000CS. Frequently Asked Questions Should I buy this individually or get a bundle? If you only need RS232/UART, the individual license covers exactly that protocol. The BND bundle includes every protocol in the series. How is this option activated? The option is enabled by a software license keyed to the oscilloscope's serial number. After purchase, the license is registered on the UNI-T website to generate the license file, which is then loaded onto the instrument from a USB drive through the option-install menu. Refer to the oscilloscope's user manual for the step-by-step procedure. Is the license permanent, or does it require renewal? The license is permanent — a one-time purchase that stays active for the life of the instrument. No subscriptions, no annual renewals, and no expiration.
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