Is NFPA 1221: "Standard for the Installation, Maintenance, and Use of Emergency Services Communications Systems" intended to replace the relevant sections of NFPA 72? Why do they both exist, and what is the difference?
My take 1221 is more for public dispatch services? And communication between emergency units?
1.2 Purpose. The purpose of this standard shall be as follows:
1.2.1 Public fire alarm systems and fire alarm systems on private premises from which signals are received directly or indirectly by the communications center shall be in accordance with NFPA 72.
1.2.2 Emergency reporting systems that are not covered by this standard shall be in accordance with NFPA 72.
This standard shall apply to communications systems that include, but are not limited to, dispatching systems, telephone systems, public reporting systems, and one-way and two-way radio systems that provide the following functions:
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