<b>If device batch number is between 1 and 11, both PSUs should have similar output voltages. Meanwhile, devices manufactured from batch number 12 can have different voltage PSUs connected to its power socket and Ethernet port.</b> | <b>If device batch number is between 1 and 11, both PSUs should have similar output voltages. Meanwhile, devices manufactured from batch number 12 can have different voltage PSUs connected to its power socket and Ethernet port.</b> |