توضیحات :
NFPA 1221 – Standard for the Installation, Maintenance, and Use of Emergency Services Communications Systems
۲۰۱۹ Edition
Chapter 1 Administration
۱-۱ Scope.
۱-۱-۱ This standard shall cover the installation, performance, operation, and maintenance of public emergency services communications systems and facilities.
۱-۱-۲ This standard shall not be used as a design specification manual or an instruction manual.
۱-۲ Purpose. The purpose of this standard shall be as follows:
(۱) To specify operations, facilities, and communications systems that receive events from the public
(۲) To provide requirements for the retransmission of such events to the appropriate emergency response agencies
(۳) To provide requirements for dispatching of appropriate emergency response personnel
(۴) To establish the required levels of performance and quality of installations of emergency services communications systems
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