measure

Hello, I am currently trying to find a way to measure DC voltage across a device(s) to read via a serial RJ-45. I use an opengear OM2224 serial monitor to remotely serial connect into some devices at various sites. Edit: My relay racks are equipped with a -48VDC configuration but when measured...

Hello everyone, I'm gonna make this question very clear for you so you can help me in the most beneficial way, What I want : Measure or calculate my data consumption running through my router and where does it go to every device on my network. Why? : Because basically I think I'm getting...