SeeMeCNC Rostock MAX v2 Assembly Manual page 202

Fig. 17-5: Source voltage switch.
Route the USB cable up through the hole in the front of the machine and install it into the
RAMBo as shown:
Rostock MAX v2 Assembly Guide
Fig. 17-6: Power cord installed.
Note that if the switch is set for 115V and
you feed it 240, you can expect the rapid,
unscheduled dis-assembly of certain critical
electronic components inside the power supply.
This will likely be accompanied a loud noise and a
puff of magic smoke as its released.
Route the power cord through the bottom of
the machine and insert it into the back of the power
supply as shown.
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