Open Serial Port Monitor Free open source application to monitor traffic over a serial port. Com0com is open-source, so you could use that as a starting point. Another possible solution could be to pick up an rs232 splitter cable forks the serial signal to another serial port. Or yet another possibility is a Serial Sniffer program (or an open source sniffer ).

Ron Obern: « I like this program, I've already used a couple of features we didn't have before. » Serial Port Monitor software - serial port, COM port and RS232 port monitor, sniffer and analyzer tool Watch it! For Windows 2000 - Windows 10 (2016) (incl. Server, x86 and x64). Latest version: 4.4.16 build 1109. November 9, 2018. Brief description: This program allows you to check the flow of data through a computer's COM ports.

As you can see from software name this application can work as serial port monitor. It supports full duplex mode, flexible adjusting of parameters, output received data to file, automatic and manual modes, free data source, serial device simulation, plugins and sniffer mode.

It is recommended for advanced users and automation specialists. What problems can be solved with Advanced Serial Port Monitor? You can work without any effort with any equipment working over any RS232/RS485/RS422 serial interface. You can serial port monitor to monitor data exchange between serial devices, connected to serial port and any Windows application. It may be as the measuring device, the industrial controller or amateur radio station, and the other personal computer connected through a z-modem cable.

In any case you will work with friendly and convenient interface, with the maximum comfort. You won't have to install any additional hardware or software to analyze the protocol. All you need is just the Advanced Serial Port Monitor application installed on your computer! Getting started is easy. Advanced Serial Port Monitor is ready! After installation start Advanced Serial Port Monitor. Then connect one device to a free serial port.

Select the COM number and click the 'Open' button. Now, you can send data to your device and receive data from them.

You can change the program mode (terminal or sniffer) from the 'Mode' menu. (Step by step tutorial is ).

Shutochnaya nominaciya dlya klassnogo rukovoditelya. RS232 standard is popular in many scientific directions and is widely used for lab equipment, quality and process controllers, various sensors, measuring tools, etc. However you may experience some issues while trying to analyze serial port activity.

A number of aspects has to be taken into consideration: hardware and cabling, communication settings and protocols. To be able to perform COM monitor activities successfully and detect any issues with serial data, you'll need a reliable serial port sniffer with a comprehensive RS232 activity log. Contents • • • • • 1. Serial Monitor by Eltima Software First on our list is - a high-quality COM port sniffer product that can log, display and help you analyze RS232/422/485 port activity in the system. Getting all the data from this useful app allows for quality application and drivers development, as well as testing and debugging of COM port devices. No additional hardware is required for RS232 port Monitor solution by Eltima.

There are Standard and Professional editions depending on your needs. • With RS232 Analyzer you can connect to ports that are already open and start monitoring at once. Data is captured in real time and displayed conveniently.

Data packets are easy to compare. You can record IOCTLs with all details and parameters. • This COM port sniffer can monitor several ports at once so users can get the data on how apps interact with several serial devices within a session. The collected data can be viewed as table, line, dump or terminal, with sump view being able to show binary, ASCII data and port settings. Another great feature this serial port testing software offers is emulating data transmission to a serial device so you can see and analyze the reaction of a device to certain commands and data.