You're not the only one who found that out the hard way... they also don't like extreme voltage variations.
On Fri, Feb 16, 2018 at 5:35 PM, Sterling Jacobson <sterl...@avative.net> wrote: > I've got five (5) relatively new Planet 48 Port SFP 4 port SFP+ switches > for $890.00 each if anyone wants them. > > They need to be in a good temperature-controlled environment though, temp > swings make them angry. > > That's why I swapped them out and have them available. > > Just email me off list. >