Shared Serial Ports

Share real serial ports between multiple applications.

Share real serial ports between multiple applications in the way that all applications will receive same data from real serial port simultaneously. It is achieved by creating virtual serial ports, that are the copies of the real ones. Each application will think that it is working with serial port in exclusive mode. All virtual serial ports will send data to real serial port. Also, you will be able to set permissions to read, write or change control lines state for every application separately.

Shared Serial Ports is a simple, low-cost and efficient solution to share one serial port among multiple applications at the same time.

OEM License: Want to share a serial port directly from your application? Simple! Read more...

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Common objectives and our solutions:

  • One port for multiple applications

At the abstraction level, Shared Serial Ports creates any number of virtual copies of a real COM1 with the same name. So, you will have any number of COM1 ports in your system, that serve as common physical ports to all applications and ensure the integrity of data transmitted from a serial device to all applications.

For instance, GPS device receives information about location of an object. GPS device sends this data via a serial port (COM1) to a computer with Shared Serial Ports installed. Our software shares COM1 and enables several applications to use GPS data.

set access rights: READ, WRITE and CONTROL
  • Have several applications access one serial port

Shared Serial Ports allows to open one real COM-port by several applications. They are all shown in the Applications list, where you can add/remove applications and set specific access permissions: READ, WRITE and CONTROL. Default permissions are READ and WRITE, which means that applications can read from and write to real serial port, but cannot change its control lines states.
By enabling CONTROL rights, you define main applications which can change control lines states.

  • Control serial port signal lines

All hardware signal lines (DTR/DSR, RTS/CTS, RING, ERROR, DCD, etc.) are emulated and supported. As in real null-modem connection, DTR of the local port is connected to DSR and DCD of the remote port, and RTS of the local port is connected to CTS of the remote port.

Shared Serial Ports is:

  • A simple yet professional solution to share one serial port
  • Based on unique serial port sharing technology by Eltima, that ensures fast and correct serial data transmission
  • Able to provide signal lines control to any application based on your configuration when sharing a serial COM port

Shared Serial Ports overview:

  • Completely transparent operation
  • Bidirectional data transfer
  • Flexible permissions control
  • "Hot" installation - no reboot required either for installation or for creation of virtual serial ports

Shared Serial Ports is aimed to assist:

  • Communication System Development
  • GPS Development
  • Radio-/Telecommunication Companies
  • Any business with a need to implement advanced data exchange between serial devices and applications
  • System programmers
  • System administrators
  • Hardware and software integrators
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Products Testimonials

We needed to share data on a USB serial GPS and your Shared Serial Ports tool turned out to be the best solution for us. Even during evaluation period your excellent support team helped us a lot, which is very important for such highly specialized software - thank you for such a great service.

Mike Dobson, NZ

Product info
  • File size:
    2.9MB
  • Latest build:
    2.0.80.893
  • Release date:
    8th November, 2006
  • Build compiled:
    12th May, 2008
  • changelogRead changelog
Demo Limitations
  • 14-day trial period
System Requirements
  • Processor: Pentium II class at least 300 MHz
  • RAM: 128 MB
  • Disk Space: 3 MB of initial free disk space
  • Windows 2000/XP compatible platform
Product news

July 18, 2007
Great news for advanced users of handhelds, pocket PC and smartphones! Some days ago, we updated both Virtual Serial Port Driver ...

July 18, 2007
Yet again, Eltima Software presents a new release for all communication systems developers, GPS developers, system administrators and hardware and software integrators. Serial Port ActiveX Control 3.0 ...

June 12, 2007
Having released a software tool, we do not abandon it, but continue thoroughly developing it to make the product better with every upgrade. Serial to Ethernet Connector ...