Saving an access control system when your supplier goes out of business.
D000046:Academic Medical Centers / Q000458:organization & administration*; D015142:Baltimore; D003284:Contract Services / Q000458:organization & administration*; D004581:Electronics / Q000295:instrumentation; D012637:Security Measures; D012984:Software / Q000592:standards*; D013685:Telecommunications / Q000295:instrumentation