N/A Data for Optical Level on the UI is returning -9999 dBm on the API

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Hi, we noticed a API response for the Optical level which is N/A on the UI as -9999 dBm. Is this a bug or by design?

Marieke Goethals [SLC] [DevOps Catalyst] Selected answer as best 5th March 2024

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Hi Vig,

The value -9999 is probably an exception value that is defined in the protocol. That value is being used internally to represent N/A in the numeric parameter.

With API I assume that you’re talking about the GetParameter method in the webservice API. To get “N/A” instead of -9999, you could use the “DisplayValue” property instead of “Value” in the returned object from the API. https://docs.dataminer.services/develop/webservices/WS_v1/WS_CustomDataTypes_v1/DMAParameter.html

Marieke Goethals [SLC] [DevOps Catalyst] Selected answer as best 5th March 2024
Vig Nair commented

Great tip there Tom, thanx will give that a go!!