Nera WiLink-I 3000, System Manual

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110 Operation
Chapter 4 - Operation and Administration
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Main: Each time the AU resets it will reboot using the version defined as Main.
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Shadow: Normally, the Shadow version is the backup version. Each time a new
SW File is downloaded to the AU, it will be stored as a Shadow version,
replacing the previous Shadow Version.
The process of upgrading to a new SW version is controlled by the NPU, and is
performed using one of the AU SW files installed in the NPU. If the specified AU
SW file does not exist in the AU, it will be downloaded to the AU and the requested
operation will be executed, as described below. If it already exists in the AU, then
actual loading is not necessary.
The following options are available in the SW Version Control menu:
4.8.4.2.3.1 Show Versions
Select this option to view the following information:
¢ Versions in AU:
¯ Main SW File Name
¯
Main SW Version
¯ Shadow SW File Name
¯
Shadow SW Version
¯
Running From: Main or Shadow
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Available Versions in NPU: The available AU SW file names and the SW version
of each file.
4.8.4.2.3.2 None
Select None to cancel a pending request for another operation (an operation will
be executed only after the next reset).
4.8.4.2.3.3 Download
Select this option to download a specified SW file to the Shadow memory of the
AU.
If the file already exists in the AU, no action will take place.
4.8.4.2.3.4 Run from Shadow
Select this option to download a specified SW file from the NPU to the Shadow
memory of the AU, reset the AU and reboot using the Shadow version. Note that