2) The matrix needs to show the following BDA (Two Way Radio) monitoring points: NFPA 1225:18.14.1.2
(2) System supervisory signals shall include the following:
(a) Signal source malfunction
(b) Active RF-emitting device failure
(c) Low-battery capacity indication when 70 percent of the 12-hour operating capacity has been depleted
(d) Active system component failure
(3) Power supply supervisory signals shall include the following for each RF-emitting device and active system components:
(a) Loss of normal ac power
(b) Failure of battery charger
(4) The communications link between the fire alarm system and the in-building emergency responder communications enhancement system shall be monitored for integrity.