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Changing IP addresses on multi-unit systems

Default IP address

All Nexia and Audia devices are shipped with a default IP address of

On single unit systems you can start programming without changing the IP address. For multi-unit systems, each device must have a unique IP address.  Therefore, the IP addresses need to be changed so all units can co-exist in the same network.

Modifying multiple IP addresses

To change the IP addresses on a multi unit system, follow these steps:

  1. Connect to the system to retrieve the current configuration file.
    • Ensure the IP address of your PC is in the same subnet as the IP address of the devices.
    • Go to FileNetworkConnect to Network to discover the devices on the network.
    • Select a system from the System List, and click Connect To System.
  2. Disconnect from the system and save a copy of the file in your hard drive.
    • Go to FileNetworkDisconnect from System.
    • Go to FileSave As...
  3. Reset/Initialize all the devices in the system to clear out their configuration file.
    • Go to FileNetworkPerform Device Maintenance
    • Select a device in the Device List, then click Reset/Initialize
    • Note that the device ID will change to 0 once the device has been reset.
  4. Change the IP addresses of all your devices.
    • In the Device Maintenance window, select a device in the Device List, and click Set IP Address.
    • Enter the desired IP Address, Subnet Mask, and Default Gateway and click OK.
    • Note that units might disappear if the new IP address is in a different subnet.
  5. Rediscover the devices at their new IP addresses, and resend the configuration file.
    • Close the Device Maintenance window.
    • If the devices are now in a new subnet, you will need to change the IP address of your computer to be in the same subnet.
    • Go to FileNetworkDisconnect from Network.
    • Go to FileNetworkConnect to Network.
    • Click on the Send System Config button.
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