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Serial Port Analyzer

COM port monitor is a professional utility that allows monitoring RS232/422/485 ports activity. Serial port analyzer also displays, logs, and analyzes all data flows among serial ports and can send data in various formats, thus working as a terminal. This RS232 port monitor is mainly intended for those who develop and debug software and hardware serial port solutions. More than that this application provides you with friendly and comprehensive interface.

Common problem

You need to log all port activity and analyze the specific data from a generic data flow.

How Serial Port Monitor solves it

COM port analyzer connects to a COM port and starts monitoring all of its activity. Now all data going out of the port will be displayed in application in real time. Moreover it can send the data to specific file or copy all data to the clipboard.

General tasks and our solutions

View and filter monitored data

With Serial Port Monitor you can set the monitoring filters up to your convenience and track only particular events. All standard serial I/O Control requests and other major functions including IRP are supported. IOCTLs and IRPs can be filtered in Serial Port Monitor. There are several view types available: table, line, dump, or terminal.

Monitor multiple COM ports

Serial Port Monitor allows you to monitor a few ports at the same time, i.e. their interaction with a few apps and devices within one session. To make the analysis easier, this information is recorded in a single log on first-in-first-out basis.

Analyze serial port activity

COM Port Analyzer can track, log, and display all serial port activity in the system. All data flowing through the port that is being monitored is conveniently displayed to you.

Emulate data exchange

Serial Port Analyzer allows sending various data (string, binary, octal, decimal, and hexadecimal) to a monitored port as if from a certain application. You can see and analyze the reaction of the device you monitor to the commands you send. You can modify COM port settings on-the-fly: stopbits, flow control, parity control, data bits, etc.

Analyze Modbus RTU and ASCII data

Serial Port Monitor helps view and analyze communication data sent via Modbus ASCII and RTU protocols. With this application you can easily monitor and analyze the activity of RS485/422/232 devices.
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What customers say

  • With the help of Serial Port Monitor from Eltima I can easily watch and analyze the performance of several serial ports transferring data to a navigation program.
    Jon Kinne

Overall rating 4.62
based on 51 reviews

Let's get started

Serial Port Monitor
Demo version limitations
• fully functional 14-day trial
System Requirements
Windows XP (32-bit and 64-bit), Windows 2003 (32-bit and 64-bit) , Windows 2008 (32-bit and 64-bit) , Windows Vista (32-bit and 64-bit), Windows 7 (32-bit and 64-bit), Windows 8 (32-bit and 64-bit), Windows 10 (32-bit and 64-bit), Windows server 2012, Windows server 2016
Latest Update
Version 7.0.312 (20th Apr, 2017) Release notes