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    SDum
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How to set up a congo backup?

Hi to all, 

Here's my question : i want to use a congo as server, congo jr as backup during the shows. What should I use to connect both consoles in a network so that I don't lose my DMX signal in case of a congo server crash? I don't want to use the DMX outputs of both congos, so I guess I need a DMX node.

Can the ETC DMX node be used as a ethernet hub? or do I have to use a regular ethernet hub and then connect it to a DMX node?

I hope my question is clear enough


thanks


Stephan
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  • Hi Stephan -

    You will need an Ethernet hub or switch to connect the two consoles and the DMX Gateway. If you have a Power-over-Ethernet switch, you can use that to power the Net3 DMX Gateway directly over the Ethernet cable. 

    I hope this helps. 

     

    Thanks!

    Sarah

  • in reply to sclausen
    hi Sarah,

    Thanks for your quick answer. I made a scheme to be sure I get it right. First of all, does it look right? Have I missed something? Is there anything redundant? 

    In this case, if Congo (server) crashes, will Congo Jr (backup) turn into server without any loss of DMX signal to dimmers and devices? (assuming that backup sync function is on). If both controllers crash (yes, it could happen ha ha), what signal will the gateway send to DMX devices?

    Then I have a few questions about DMX gateway. 

    If a regular DMX controller is plugged in the gateway, is there a way to patch dmx outputs directly in the DMX gateway? (in case the controller doesn't have a soft patch and can't support more than 1 DMX universe). For example, for a 6-channels controller, can I patch outputs 12, 324, 502 from U1 and 123, 301, 512 of U2? (I guess it would be HTP)

    Is it possible to set up the gateway directly from congo or it has to be done only from a PC with gateway software?

    does this software run on Mac OSX?

    I haven't read all about ethernet protocols used by Congo so I won't ask you questions that will be answered to me in documentation ;-) , but be sure i will have a few questions left for you.

    thanks for the great support job you do.

    Stephan



  • in reply to SDum
    oops...

    looks like the pdf scheme did not upload well on my post... I am sending it to you by email so you can look at it.

    Sorry


    Stephan
  • in reply to SDum

    Hi Stephan -

    Yes, the whole idea about having a backup console is that it will become a server when it loses "sight" of the original server. I have seen backup consoles take over mid-fade within 2 seconds of the server failing (or being induced to "fail" by unplugging its network cable). Backup Sync simply tells the backup to follow any playback commands on the server so that it takes over in the same spot in the show. If a server fails and backup sync is not started, then the backup will become a server and start sending whatever data it has at the moment.

    DMX Gateways can be set up to "Hold Last Look" which means it will continue to output the last valid signal it recieved. This can be set up to fade out in a certain amount of time, or to hold that look indefinitely. If you were to experience something as bad as both the server and backup failing, the Gateway should hold the last look until you get the system restarted. In this case, you should restart your Congo with the FREEZE switch enabled until you can get the console completely started and back into a show state - otherwise, a blackout will get sent to the gateway before you get your show loaded. FREEZE on startup keeps the console from generating any data, so you can use the Gateway's last look until you are ready to take over the show once again.

    Regarding patching within the Gateway itself, I believe you can use the NCE software to configure what's called "Advanced Input Patch" to do what you describe above. I am not an expert on this, though. NCE has to run on a separate computer, and it is only PC compatible. I am not sure if it will run well on a new Mac with the Intel processor and the dual boot function, but I'm sure someone from Tech Service will let us know - Richard?

    Thanks -

    Sarah 

     

  • in reply to sclausen
    wow.. that's what i call a speed of light answer.

    thanks a lot


    Stephan
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