What to do if the RJ45 LED on NV-EC1701PLS-BSE 1701+ Base keeps dropping?

Check on the switchport that the speed is set to Auto.

If the EC1701-PLS is powered both by switch PoE and local power, then turn off PoE from the switch.

You’ll find additional resources like the Datasheet, Admin Guide, A&E spec sheet, etc on the product page here.  

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