Chuck,

I recently put a four port din rail surge suppressor chassis in production
with four MCC-800-GIGE-APC-HV cards.

A couple of months into their use the ethernet links to the radios on the
tower start flapping and renegotiating down from 1G to 100M and then
eventually 10M, and then eventually failing.  When I bypass the card with a
female-female RJ connector, they come right back up at 1Gig.

These radios are powered from a MikroTik POE switch at 48v.

Any suggestions?    Am I using the wrong card for 48v poe?

Thanks.

-Brandon
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