NICET 3 Addressable Systems
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All IDCs, NACs, and SLCs can be designated further as N.
Class A, B, ___, or ___, depending on their performance
during single circuit f______ conditions. X.
fault.
Please see Chapter 12 of NFPA 72 2016 for definitions and requirements.
Analog Initiating Device: level or degree.
A device which cannot only communicate its individual
status to a compatible control unit, but it can convey that
status by l _________ or d_________ of its calibrated response
threshold.
Where system modifications are required, it is generally software.
easier to modify _________ than it is to change actual _________
________. hard wiring.
The _________, when used, or the h_________ attendant at the printer.
control unit is generally the weak link in the chain when it
comes to speed of signal processing. human.
The maximum time allowed for a proprietary system to 90.
record or display an alarm signal at the supervising
station is ________seconds.
Subsequent alarm signals must be similarly processed at 10.
intervals not exceeding ______ seconds.
, Which of the following are primary advantages of using The correct answers are: (1) Better information regarding the alarm signal
addressable systems over non-addressable systems? conditions and (2) more details are provided for trouble signals.
(Select all that apply)
A. Better information regarding
the alarm signal conditions
B. Lower cost wiring and installation
C. Lower cost initiating devices
D. More details are provided for trouble signals
E. Circuits have more noise
immunity
Manual pull stations for addressable systems will be The correct answer is: All addressable devices are wired to SLC - Signaling Line
wired to what type of fire alarm circuit? Circuits.
A. IDC IDCs are only associated with conventional systems/ circuits. NACs are for
B. SLC notification appliance circuits only and are considered a conventional type of
C. NAC circuit (working off voltage and current...not communications). FPL is a type of
D. FPL power-limited fire alarm multi-conductor cable.
What is the term used to describe an addressable control The correct answer is: Drift compensation.
panel's ability to adjust a smoke detector's sensitivity
without user intervention?
A. Drift adjustment
B. Rate compensation
C. Smoke compensation
D. Drift compensation
Name the ways) an addressable device can be A. Hand-held programmer.
programmed with the correct address. (Select all that B. Rotary dials.
apply)
A. Hand-held programmer.
B. Rotary dials.
C. Toggle switches.
D. Binary encoder.
One of the ways we can input information directly into an The correct answer is: False. We can use
addressable control unit is by using cables with RS484 RS485 connectors.
connectors and a laptop or desktop computer.
A. True
B. False
In multiplex systems, the only requirements needed for T- False - In multiplex systems, the use of T-taps must only occur where they comply
taps is when they comply with the code requirements for with the code requirements for the specific system AND the manufacturer's
the specific system. instructions permit their use.
True
False
NFPA 72 2016, Section 23.8.6.4.2 states that a single short, notification zone
ground, or open on a single SLC shall not affect more
than one ______________ _________.