search for: 769b16015

I have trouble in getting communication work with MGE Ellipse 500. I bought it second hand and I don't have the cable for it. How do I know if it's the Serial or USB model? The serial number of the unit is: 769B16015. I suspect it is the serial version as the label next to the RJ11 stands "com port", but I can't be 100% sure. MGE Ellipse serial cable pinout can be found here: http://eu1.networkupstools.org/cables/mgeups.html I tried making the cable, but the pin numbering on the modular jack (R...