on -- .. osdx:opcmd:: service power-switch on .. raw:: html AresC640 Atlas840 M10-Smart M2 RS420 RXL15000 Turn on MTC+ (power-switch) power output. :arg 0-f: ID of the MTC+ (power-switch) to turn ON. :arg all: Turn ON all registered power-switches (use \'scan\' to register connected power-switches).