Slim chance, but does anyone know if I can power a 3930 off of a +48VDC system?
The spec sheet says: DC Input: -48, -36, +36, -24, +24 VDC (nominal) Does it seem odd that it can accept -/+36 and 24, but not 48? An AT&T tech installed a 3930 at one of our sites and wired it directly to our +48VDC ICT DC system, and it's working, but we don't have any other equipment (other than a MT) running off of this bus yet. I'm worried that if we power something that isn't isolated (and expects +48VDC), we may release some smoke. Should I just stick an isolated DC/DC converter in between the Ciena and our rectifier just to be safe?
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