Computer controlled system for access control that performs security, fire alarms, HVAC control, access control, and energy monitoring and control comprising a central processing unit, video and audio capture units, electronic messaging interfaces, keypads, card readers, and scanners, display monitors, and remote terminals sold separately or together as a unit.

'access':5,14 'alarm':11 'audio':28 'captur':29 'card':35 'central':23 'compris':21 'comput':1 'control':2,6,13,15,20 'display':39 'electron':31 'energi':17 'fire':10 'hvac':12 'interfac':33 'keypad':34 'messag':32 'monitor':18,40 'perform':8 'process':24 'reader':36 'remot':42 'scanner':38 'secur':9 'separ':45 'sold':44 'system':3 'termin':43 'togeth':47 'unit':25,30,50 'video':26

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