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10G SFP+ passive copper cable

I purchased a 1m SFP+ cable to connect my future LLM server to my NAS so I can hopefully store the models and data all in one spot. Curious as to what it contained I pulled it apart to have a look.

Aliexpress cable
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Water meter Modbus

I purchased a water meter off aliexpress advertised as having either Mbus or RS485, which I assumed was Modbus. Trying to get any manuals or information off the seller was unsuccessful. It was advertised as a YNS-25 but what received was marked with LXSY-25E

The slightly accurate LXSY-25E water meter.