Victron Interface MK2.2b (VE.Bus to RS232) ASS030120210 The MK2.2 and MK3 provide a galvanically isolated connection to VE.Bus, and it translates the VE.Bus protocol into the “MK2/MK3 Protocol” The MK2/MK3 Protocol allows reading information, turning the device on and off, changing the current limits and configuring a device