ASTTBC RFPT — Fire Alarm Systems (AL) · Question
During a verification, when a ground fault is introduced on a Data Communication Link (DCL), what is the required result?
The standard specifies that for DCLA (Data Communication Link) wiring, a ground fault must be introduced to ensure it does not interfere with system operation o
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Question: During a verification, when a ground fault is introduced on a Data Communication Link (DCL), what is the required result?
Answer options:
- The system must remain in normal state without trouble
- The system must automatically bypass the shorted section ✅ A trouble signal must be generated at the control unit
- The system must immediately enter an alarm state
Correct answer: A trouble signal must be generated at the control unit
Explanation: The standard specifies that for DCLA (Data Communication Link) wiring, a ground fault must be introduced to ensure it does not interfere with system operation or that it reports as a trouble.
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Question explanations
- Which of the following constitutes a system 'deficiency' rather than a 'non-conformance' to current standards?
- When a deficiency is corrected, what specific information MUST be recorded in the log?
- Which of the following would be categorized as a 'Non-Conformance' to the Installation Standard (S524) in an i
- In the event of a deficiency that renders the fire alarm system inoperative, what is the mandatory reporting r
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