A-A-52317A
disarming, in any selected partition, if authorized, without affecting other partitions. The system functions the user may initiate shall depend on the user�s assigned authority level in that partition (see 2.3.14). One or more keypads (see 2.3.22) shall be utilized to initiate these system functions. Any partition shall be controllable from any keypad. When any keypad is being operated, data entered shall not be displayed on any other keypad. User security codes shall never be displayed.
2.3.6 Reports. The DCC shall report to the telephone number(s) programmed (see 2.3.12) when a device output changes from its normal state for the minimum duration specified herein (see 2.3.3) and when system events or user initiated system functions occur that are programmed for transmittal of reports. The DCC shall be programmable to send reports when the device outputs return to the normal state (restorals). Reports shall be transmitted by digital code. The transmission data format(s) shall be compatible with various commonly used existing central station monitors and shall not be limited to one specific format. The DCC shall be programmable to transmit reports in a different communications format to each telephone number. The DCC shall be capable of conveying, as a minimum, the following information to the extent applicable: subscriber account number, the zone input that has changed and whether it is an alarm (that is, change from normal state) or restoral, type of system event or system function and user initiating the system function.
2.3.7 Operating power. The DCC shall operate from nominal 60 Hertz, 115 volts alternating current (Vac), wired directly to the DCC or from the output of an external transformer which plugs into a nominal 115 Vac outlet. The DCC shall perform its normal signaling functions when energized by voltages from 85 to 110 percent of the nominal voltage.
2.3.8 Audible signaling device power. The DCC shall provide either or both of the following outputs for operating an audible signaling device: (a) a nominal 12 volt dc (Vdc), 1 ampere minimum, output for operating a bell, siren, or other audible signaling device; or (b) a signal at an amplitude of 1.2 amperes minimum into an 8 ohm external speaker. If option (b) is provided, both a steady tone and either a warbling or yelping tone shall be provided and shall be user selectable. The DCC may draw supplementary power from the standby battery when the audible signaling device is sounding. The output to the audible signaling device shall be initiated by receipt of an alarm condition at a zone input programmed to initiate this output. The duration of this audible output shall be programmable. As a minimum, durations of 5 �1, 10 �1, 15 �1, and 30 minutes or greater shall be selectable.
2.3.9 Auxiliary and standby power. The DCC shall provide auxiliary power of 12 to 14 Vdc at a current of at least 500 milliamperes (mA) for operation of keypads, external sensors, expansion modules, etc. The DCC shall house and maintain on float or trickle charge an internal rechargeable, lead acid battery, or batteries, capable of operating the DCC for a minimum of eight hours, while delivering the auxiliary current of 500 mA with no alarms. After restoration of 115 Vac power and while in normal operation in the non-alarm state, the DCC shall recharge the battery sufficiently within 24 hours to provide at least 4 hours of battery operation and 8 hours after 72 hours of charging
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