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Using an IP address of 255.255.255.255 for the static IP address of an ETZ410/510 module will it to become inoperable.

Goals and Symptoms

The goal of this resolution is to alert the user to not use an IP address of 255.255.255.255 for the static IP address of an ETZ410/510 module.

Facts and Changes

This resolution applies to both TSXETZ410 and TSXETZ 510 modules.

Causes and Fixes

An IP address of 255.255.255.255 is reserved for broadcast. If this address is entered as the IP address for an ETZ410/510 from the configuration page and the changes are saved, the module will become non-functional. Attempts to connect to the ETZ module will fail because the ETZ firmware will see the address as being illegal and arbitrarily assign an unknown IP address upon booting up. Each time the module is powered back up, the unit will go through the same diagnostics and assign a different IP address.

If this happens, the module must be sent back to the factory for repair.

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