@Philbert yes, i was using the OEM supplied POE injector. it appears that this injector is rather finikey, at times it fails to pass through data traffic. the problem is - it not consistent, which...

the unit fails to connect, as per subject line. it used to work, but was rather unstable, i had to set it up quite a few times, until the last time, after successful setup in the lab, it failed to...