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FAQ: Serial Tunneling (connect two GC Serial devices over the network)

Question:

I have 2 pieces of serial equipment in 2 separate locations, and I would like to connect them without having to run a long serial cable.  Can I connect my two pieces of equipment over the network using Global Caché hardware?

Answer:

Yes!   If you are able to operate a PC in your environment, there are applications available which allow "bridging" between 2 network connections.  Eterlogic's  "Virtual Serial Ports Emulator" is one great example, and can be downloaded at http://www.eterlogic.com/Products.VSPE.html.  After installing the software, please follow the steps below to perform the required one-time setup/configuration.  

(Note: Use of this or other similar functionality software is not supported by Global Caché, but is offered as a possible solution for users who are interested.)

1. Acquire 2 Global Caché serial devices, e.g. GC-100, iTach IP2SL or WF2SL, or iTach Flex with Flex Link Serial Cable. It is OK if the 2 Global Caché devices are different models.

2. Connect each Global Caché device to the network, and make note of their respective IP addresses.

3. Configure the serial settings on each Global Caché device according to the serial equipment it will be connected to.  Do not worry if there are different serial settings on each piece of equipment, as this is just fine!

4. Run the "Virtual Serial Ports Emulator" application (or similar application), and create the network "Bridge" between the 2 Global Caché devices:
    a.  Select Device -> Create
    b.  For Device Type, select Bridge, and click Next.
    c.  In the "Specify device characteristics" window that appears, for 'Stream 1', click "Settings"
    d.  In the drop-down menu for 'Data stream type', select "TCP client"
    e.  Under 'Data stream properties', for 'Host' enter the IP address of one of the Global Caché devices.
    f.  Under "Data stream properties", for "Port" enter 4999
    g.  Click 'OK'
    h.  Repeat steps c. through g. for "Stream 2", using the IP address of the other Global Caché device.
    i.   Click 'Finish'

5. If everything was configured correctly, the Bridge should activate and show as green in the main window

 

That's it!   Serial data should now be flowing between the two devices across the network, with no serial cable in between!

 

To help demonstrate the setup/configuration process, the following video shows the setup process for "Virtual Serial Ports Emulator" if using 2 Global Caché serial devices with IP addresses 192.168.0.99 and 192.168.0.100.  (Note: the video repeats continuously)

VSPE_TCP_bridge.gif

 


 

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