CFAA Fire Alarm Technician · Question
Which feature is required at a 'Master' network node according to ULC-S524?
The Network Command Centre (or Master Node) usually requires a 'Global Reset' or 'Global Acknowledge' function to reset all nodes simultaneously.
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Question: Which feature is required at a 'Master' network node according to ULC-S524?
Answer options:
- All nodes must be reset individually by hand
- The system cannot be reset from a remote node
- A network reset can only be performed by the Fire Department via a special radio frequency ✅ Controls at a master node can provide a global reset/acknowledge for the entire network
Correct answer: Controls at a master node can provide a global reset/acknowledge for the entire network
Explanation: The Network Command Centre (or Master Node) usually requires a 'Global Reset' or 'Global Acknowledge' function to reset all nodes simultaneously.
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Question explanations
- The primary power for a fire alarm system must be:
- If a 120VAC primary power circuit for a fire alarm control unit is consuming 60 Watts of power, what is the cu
- In a steady-state DC circuit, if the conductor length is doubled while maintaining voltage and wire gauge, wha
- A resistor is rated at 10 Watts at 24VDC. If the voltage drops to 20VDC, what is the new power dissipation?
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