A-A-52317A
assignable. Operations (that is, system functions) a given user may perform shall be determined by the authority level assigned to that user. A master user shall be capable of performing all possible system functions and assigning other user codes and authority levels, except the master level. As a minimum, other authority levels shall include the following: one that allows the user only to arm and disarm the DCC, but not to perform other system functions such as bypassing zones, viewing the log, etc.; one that allows the user only to arm the DCC, or, one that allows the user to arm the DCC and also to disarm it if that user was the person who armed it. The DCC shall allow a user to transmit a duress alarm report by appropriate keypad entry without annunciation of an alarm at the keypad and external sounder.
2.3.15 Zone types. The DCC shall provide, as a minimum, two types of zones, a 24-hour zone and a delay zone. For zones programmed as 24-hour zones, changes at the zone inputs shall be immediately reported to the monitor station regardless of the arming status. For zones programmed as delay (entry/exit) zones, an alarm occurring when the system is disarmed shall be ignored. The DCC shall be armed by keypad entry of an appropriate user code and keystroke or keystrokes. Arming the DCC shall initiate the exit delay period. Alarms received during this period shall be ignored. After expiration of the exit delay period, receipt of an alarm shall initiate the entrance delay period. If the DCC is disarmed by a user before expiration of the entrance delay period, alarms received during the entrance delay period shall be ignored. If the DCC is not disarmed before expiration of the entrance delay period, an alarm report shall be transmitted to the monitor station(s) and local annunciation shall occur if programmed. The entrance and exit delay periods shall be independently programmable. At least two sets of delay times shall be selectable. Selectable times shall range from 15 seconds or less to at least 150 seconds in increments no greater than 15 seconds.
2.3.16 Real time clock. The DCC shall contain a real time clock, settable at the keypad or remotely by downloading.
2.3.17 System event log. The DCC shall store, as a minimum, the most recent 100 alarms, system events, and user initiated system functions. These events shall be viewable at the keypad and from a remote computer. Displays shall include, as applicable, the type of event (alarms, restorals, openings, closings, etc.), zone number, partition, user number, and date and time of occurrence.
2.3.18 Non-volatile storage. All program information stored in the DCC shall be stored in nonvolatile memory.
2.3.19 Periodic self test. As a minimum, the DCC shall be capable of automatically initiating a self test signal to verify the communications link at selectable intervals of once per day and once per week. The time of day when the initial test signal is sent shall be selectable to within an hour.
2.3.20 Test of CATD. The DCC shall be able to process a separate test signal from the CAT to verify the integrity of the cellular link.
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