It is a usb to micro usb cable.
I'm performing a new install of an SCv3020. Using both the data collector (virtual appliance) and Unisphere Discovery Utility, it discovers the SCv3020 but says "unable to initialize" and "storage center does not support set up via this application". It also reports mac addresses as unavailable. I can't find any references to this error or an explanation of what could cause it. I am running the latest version of Unisphere and the SCv3020 is roughly 18 months old, so is running an older version of Storage Center. Could this cause it? I can't find downloads of previous versions of Unisphere to check. Could the mac addresses not being available point to the cause?  
SCv3020 Unable To Initialize