Eltima’s Knowledge Base

This section contains articles about Eltima's network technologies for serial and USB communications, USB/COM port virtualization software, as well as products for remote management of specialized equipment, peripheral devices, and storage systems. Tags provided below each post will take you to relevant articles that may be of interest.

COM port in Virtual Machine - Hyper-V, VMware, Virtualbox

How to work with Serial port in virtual machine? Access remote serial port in Hyper-V, VMware ESX, Citrix XenDesktop. Share COM port in virtual machine. COM in VMware passthrough guide, VirtualBox serial port access tutorial.

Portmon Alternative Software Solution - COM Port Monitoring

Portmon for Windows alternative - COM port monitoring software - Eltima Serial Port Monitor

GPS splitters: an alternative to GPSGate Splitter Software

GPS signal splitter. Split GPS antenna with the GPSGate alternative. Learn about key features of an alternative software to GPSGate - Serial Port Splitter

What is network protocol? Common network protocols and their purpose.

Find out what is a protocol and what types of network protocols exist

List of the Best Virtual Serial Port Emulators

Best 7 serial port emulation solutions: VSPD, com0com, VSPE, COM Port Data Emulator, and others. Find the optimal solution for your needs.

Serial Port Monitor as a COM port data emulator

Find out how to emulate COM port activity of serial devices with Serial Port Monitor acting as a COM port data emulator

Main points about null modem

Get all basic information about RS232 null modem cable: what is the purpose of a null modem cable and how to emulate null-modem connections.

Looking for HyperTerminal Alternative for Win 7, 10 or Vista?

We’ve described the optimal solution for IT professionals and users who need Windows HyperTerminal alternative for working with Windows 7, 10 and Vista. Find out about a dedicated serial terminal software offering a set of features for programming and debugging.

Null Modem cable vs. "Straight" serial cable. Null Modem emulation

The Difference Between a Null Modem and Straight Through Serial Cable. Find out how to emulate Null Modem functionality

RS232 Pinout and Specifications Guide

In this guide, we’ll tell you the all about RS232 Serial Communication Protocol: RS232 Pinout and Specifications, RS-232 connectors types...

What is a USB port hub used for? Main types and features of USB hubs

The main features and types of USB port hubs. Micro USB hub and USB 2.0 hub - how to choose the best USB hub

How to test a serial port Guide from Eltima Serial Port Technology

Find out about serial port emulation for testing environment. We’ve described the optimal program solution for IT professionals and users who need to test serial applications and provided a simple step-by-step guide on how to test serial ports with HyperTerminal.

Serial Port Utilities

Serial port utilities are dedicated software developed for testing and optimizing RS232 port communication. This article covers the most efficient COM port utilities which help serial software and hardware developers at different stages of their work.

Serial Communication Programming Tutorial [Eltima Software]

Serial port programming. Implementing a programming language for working with Virtual Serial Port Driver.

Advanced Serial Port Monitor to read and record COM port data

Serial Port Monitor - an advanced professional utility to read and record COM port data. Find out how to create serial port monitor connection and use Advanced Serial Port Monitor for Windows for sniffing serial interfaces.

What is RS232 DB9 serial port | RS232 pinout

The basic principles of RS232 serial port layout and function. Find out how serial port works with the help of the serial mouse

How to split Modbus data

Eltima’s specialists have prepared Modbus Splitter guide from which you will learn how to split Modbus data over virtual COM ports. Use step-by-step guide to create virtual COM ports and split Modbus data in such a way that all ports will receive the same data simultaneously.

How to share COM port between applications?

This article describes how to share COM port between applications with Serial Port Splitter hardware and software solutions. You will learn the advantages and disadvantages of both solutions, as well as the main areas of successful application.

Complete serial port testing guide

Comprehensive COM port testing tutorial describes how to test serial port communications with RS232 testing software and perform loopback test in Hyperterminal.

Top 2 solutions to fix Windows 10 COM port issues

Find out now How to add virtual COM ports on Windows 10 with a native method or create virtual COM port Windows 10 by a third-party solution. Full step-by-step guide from Eltimal helps you to deal with Windows 10 COM port issues in 3 clicks!

Serial Port in laptops: 2020 guide

How to choose a rugged laptop with a COM port or to add a COM port to their laptops you will find in our new article.

How to log serial port data

How to use Serial Port Data Logger. Find out about how to record and log data from serial ports with efficient software and hardware solutions.

How to Read COM Port Data | Read RS232 Data

Reading the serial port. Find out about the optimal solution for reading data from COM port, follow simple steps to read and observe all serial port activity.