Access remote serial port over Network for Windows PC

Serial to Ethernet Connector
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Serial to Ethernet Connector

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  • Latest Version

    Serial to Ethernet Connector 9.0.1279 LATEST

  • Review by

    Daniel Leblanc

  • Operating System

    Windows XP / Vista / Windows 7 / Windows 8 / Windows 10 / Windows 11

  • User Rating

    Click to vote

  • Author / Product

    Eltima Software / External Link

  • Filename

    serial_ethernet_connector.exe

With Serial to Ethernet Connector, your computer can have dozens of serial ports with serial devices connected to it. Even if the shared COM port device is physically in the other part of the world, you will be able to access it as if it were connected to your computer.

When the attached serial port device sends communication data, it is actually transmitted over a TCP/IP network and back from the network to your serial device.

Serial to Ethernet Connector is a solution that will easily let you share up to 500 serial port devices over a network (Internet or LAN) and access serial ports over Ethernet.

Serial to Ethernet Connector Screenshot 1

Whether you're looking at redistributing the Serial port redirection engine as a part of your product or considering Serial to Ethernet Connector software for an enterprise-wide deployment, it offers flexible and affordable corporate solutions designed to meet your needs.

Features and Highlights
  • Share your serial ports and devices with others over a TCP/IP network
  • Both TCP/IP and UDP/IP protocols are supported
  • Easily connect to a remote computer using TCP/IP Telnet protocol, with the RFC 2217 Telnet extensions for COM Port Control
  • Share an unlimited number of serial ports simultaneously for remote connections
  • No limitation on the quantity of virtual serial ports or connections created (except your system resources)
  • Manage the port signal lines' states in connections
  • Verify the connection's integrity by using the "send command to keep connection alive" feature
  • Ability to send data on a certain event (when a block of data reaches a certain size, on receiving special characters, and on certain timeouts)
  • Serial port names are not restricted to COMxx only and may have virtually any name
  • High-speed data exchange from/to virtual serial port (up to 256 Kbits)
  • Virtual serial ports work like real physical ports
  • Automatically restore the connection within a customizable timeout on connection breaks
  • The small packet transmission speed can be increased by disabling the Nagle algorithm
  • Dynamically change COM port parameters without the necessity to reopen or re-create it
  • Ports could be automatically configured every time you boot your PC
  • Map your real serial port to any other virtual or real port
  • Customize advanced connection settings when you switch to Advanced mode
  • Easily track all programs' activity in "Activity log."
  • Secure your data transmission over a network with an authorization system and traffic encryption
  • Connection speed in serial port pairs is much more reliable and faster than in physical links
  • Ability to create your own libraries for authorization and encryption (OEM only)
  • User-friendly and convenient program interface. Availability of command-line options.
  • A TCP client can connect to various servers with different encryption and/or authorization parameters
  • Fully compatible with HyperThreaded and multi-processor systems
  • Works in a virtual machine
  • License Pack allows you to install this application on two computers to provide a client-server architecture
  • Connect to several remote computers simultaneously
  • Renaming full port names in Device Manager
  • Separated traffic statistics
  • Strict baudrate emulation option for virtual ports
  • Possibility to abort the specified TCP connection
What’s New
  • Improved Stability: The latest release focuses on overall stability with numerous minor fixes and general improvements.
  • Activation Fixes: Resolved activation issues on systems with 13th Gen Intel Core processors and newer.
  • Hardware Compatibility: Fixed compatibility problems with 12th Gen Intel Core processors.
  • Driver Updates: Introduced new Microsoft-signed drivers for improved security and reliability.
  • Connection Feedback: Added visual indication when the maximum number of remote client connections is reached.
  • Localization Improvements: Enhanced translations for Spanish, French, and German.
Serial to Ethernet Connector Screenshot 2

How to Use
  • Download and install the software on your PC
  • Launch the application and create a new connection
  • Choose to share a local COM port or connect remotely
  • Configure connection settings as needed
  • Click "Create" or "Connect" to establish communication
  • Access remote serial devices over the network
  • Manage and monitor connections from the software interface
  • Disconnect or modify connections when necessary
FAQs

What is the Serial to Ethernet Connector used for?
Serial to Ethernet Connector is a specialized tool that allows users to access and share serial (COM) port devices over a network. It effectively converts physical serial ports into network-accessible resources, enabling remote communication with devices such as industrial equipment, scanners, POS systems, or embedded hardware.

How does Serial to Ethernet Connector work?
The software creates virtual COM ports on remote machines and redirects data through TCP/IP. This means a device physically connected to one computer can be accessed as if it were locally connected to another, making it highly useful for distributed systems, remote maintenance, and industrial environments.

Is the Serial to Ethernet Connector suitable for professional use?
Yes. It is designed with professional and industrial use cases in mind, offering stable connections, secure data transmission, and compatibility with legacy hardware. It is commonly used in automation, manufacturing, and enterprise environments where reliable remote access to serial devices is essential.

System Requirements
  • Windows 11, 10, 8.1, 8, 7 (32-bit or 64-bit)
  • Intel or AMD processor, 1 GHz or higher
  • At least 512 MB RAM (1 GB recommended)
  • 50 MB of free disk space for installation
  • Active network connection for remote access
PROS
  • Easy remote access to serial devices
  • Secure, encrypted data transmission
  • Supports multiple connections
  • User-friendly interface
  • Works with virtual COM ports
CONS
  • Requires a stable network connection
  • Limited free trial period
  • May need firewall configuration
  • No macOS or Linux support
  • Higher cost for advanced features
Note: 14-day trial version.

Download Serial to Ethernet Connector Latest Version
Why is this app published on FileHorse? (More info)

  • Serial to Ethernet Connector 9.0.1279 Screenshots

    The images below have been resized. Click on them to view the screenshots in full size.

    Serial to Ethernet Connector 9.0.1279 Screenshot 1
  • Serial to Ethernet Connector 9.0.1279 Screenshot 2
  • Serial to Ethernet Connector 9.0.1279 Screenshot 3

What's new in this version:

Serial to Ethernet Connector 9.0.1279
- Lots of minor fixes and improvements.


Serial to Ethernet Connector 9.0.1259
- Fixed activation issues on systems with 13th Generation Intel® Core™ processors and later.
- Lots of minor fixes and improvements.


Serial to Ethernet Connector 9.0.1253
- Added: new software drivers signed by Microsoft
- Added: color indication that the maximum number of client connections allowed for a remote server has been reached
- Improved: Spanish, French, and German localizations
- Fixed: compatibility issues with 12th Gen Intel® Core™ processors
- Fixed: issues with displaying long port names
- Lots of minor fixes and improvements


Serial to Ethernet Connector 8.0.1173
- Lots of minor fixes and improvements


Serial to Ethernet Connector 8.0.1113
Added:
- a new improved user interface
- the list of remote connections available on the network
- the ability to pause active network connections
- the ability to break a specific connection
- the ability to reset the connection statistics
- the menu “For developers” with the options to open the OEM user manual, view code samples, and generate the OEM Redistribution Package. (In the OEM version only.)

- Discontinued: support for Windows XP, Windows Vista, Windows 2003, and Windows 2008 and Windows 7 versions. Serial to Ethernet Connector versions for Windows 7 SP1 and Windows 2008 R2 SP1 are still supported.


Serial to Ethernet Connector 7.1.876
- Improved: the drivers have passed WHQL certification and are now digitally signed by Microsoft
- Fixed: a crash of the service on creating a client Telnet connection on a real COM port
- Fixed: when creating a connection, changing the port number did not change the connection name
- Fixed: when creating a connection, the “Create as virtual port” option ignored the port type
- Fixed: virtual ports might not work after the system was woken up from sleep mode or booted with Fast Startup
- Fixed: if the system went to sleep while data transfer was in progress, the communication was not resumed after waking up
- Fixed: enabling the “Break connection if no activity for” option could cause an error on the server side

Serial to Ethernet Connector 7.0.815
- Fixed: a crash of the GUI when creating a connection on Windows 10 build 1607
- Fixed: a crash of the service when creating identical Telnet connections via mirroring
- Fixed: after editing the connection settings, the changes were occasionally not saved
- Fixed: for client connections on Windows 10, adding a large number of remote hosts could result in high CPU load
- Fixed: a crash of the GUI when rapidly toggling the “Turn On/Off SEC” button
- Fixed: when a connection was lost, its status in the connection tree might not be updated
- Fixed: reading of the connection list could sometimes fail with an error (OEM version)
- Fixed: a memory leak in the OEM usage samples

Serial to Ethernet Connector 7.0.609
- Added: a redesigned interface
- Added: the ability to export/import the connections configuration (from the GUI as well as the command line)
- Added: the ability to set the size of the buffer or disable buffering altogether
- Improved: performance when creating multiple virtual COM ports at a time
- Improved: conditional data sending: you can now specify multiple conditions; the “Send data when received char with code” condition now accepts characters with ASCII codes above 127
- Improved: on removing a connection, the virtual COM port is now deleted even when opened
- Fixed: an issue where the GUI failed to connect to the service after reopening
- Fixed: incorrect behavior of strict baud rate emulation
- Fixed: some activation issues
- Fixed: a crash of the service on attempt to create a virtual COM port with a long name
- Fixed: a condition where a client connection set to communicate with a large number of servers could disappear after a reboot
- Fixed: a crash of the GUI on attempt to send a mirror request
- Fixed: a condition where a server would sometimes start listening for connections when not supposed to (i.e. when configured to start listening only when the COM port is opened, and the port was closed)
- Fixed: the service could become unresponsive on startup on some older processors
- Fixed: with delayed sending enabled, the data could get split across multiple network packets
- Fixed: the “Break connection if no activity” option was not functional
- Fixed: a break signal from a device was not transmitted when using the Telnet protocol
- Fixed: a few minor bugs related to flow control negotiation

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