COM port redirector user guide
- First, download RS232 to Ethernet redirector and install it on the computer (server) with a physical COM port you want to share.
- Launch the app on the server PC and select New connection -> Server connection. In the window that will open, name your connection, specify the serial port to be shared and a TCP port to listen on. Click “Create connection”.
- Then, install the app on the client machine that will connect to the shared COM port over Ethernet. Select New connection -> Client connection and specify the server’s IP address and the TCP port you selected in the previous step.
- Also, here you should create a virtual COM port by specifying a port name and checking the “Create as virtual port” option.
- Click “Create client connection”.
Once you established a client connection, all data from the real COM port of your server computer will be forwarded to the specified virtual serial port on your client machine and vice versa.
Serial port redirector
A virtual serial port redirector should enable the virtual COM ports it creates to emulate the functionality of physical serial interfaces, for instance, to interact with a locally attached peripheral device. Creating the virtual port itself is not a complex task and can be performed by the same type of software that implements physical COM port drivers. The behavior of the device server and the network connections to it are issues that are more challenging and will be discussed below.
A serial IP port redirector allows the user to create and configure virtual COM ports which it uses to forward serial communication. Programs that open a virtual serial port rely on the redirector to establish a network connection to the IP address and TCP/UDP port number belonging to the remote equipment connected to the device server. Once the connection is made, the software relays the data stream between the device server and the virtual serial port.
It is common for a serial to IP port redirector server to allow at least 256 virtual interfaces to be active simultaneously. In practice, this number is often greatly reduced due to several limiting factors. The physical limitations of the device server such as its usable memory and the available network bandwidth will influence the number of connections you can run concurrently.
Most serial IP redirector software for Windows includes a graphical user interface that is used to create virtual serial ports and configure them for optimal functionality. The GUI will also often provide a display of the activity of the virtual ports as well as offering diagnostic capabilities.
Virtual serial port redirector
A virtual serial port can be seen as a form of COM port redirector that operates without dedicated network software support. Creating two virtual COM ports on the same computer enables legacy serial applications to communicate directly without resorting to other methods such as communicating over named pipes.