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INM MTL SUM5 Rev 7
DRAFT - 09 June 2021 DRAFT - 09 June 2021
20.3 Sleep Mode
As an alternative any of the ve pushbutton inputs can be set for use with an external inhibit
switch used to place the Annunciator into Sleep Mode during unmanned periods. The sleep mode
switch should be connected between PCom and the associated pushbutton input.
PB5 for remote pushbutton-5 Used as a Sleep Mode Input.
CAUTION
The common return for the external pushbuttons is terminal PCom and the
terminal will provide the same voltage level as the internally generated signal
contact supply
CAUTION
On standard systems +24VDC is used, however 125VDC may be present if HV
signal inputs were specied at the time of order.
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