| http://www.w3.org/ns/prov#value | - Either of these intercom systems will provide for line supervision from remote call stations or contact closure which may be located in elevators, at gates, in stairwells, parking lots or other areas that require a simple push button to activate an Emergency call to a Security Control location.The incoming calls will display in a 12 character Alphanumeric message on the Digital Annunciator Display
|
