During testing, what must occur if a communication wire is disconnected between two nodes on a networked system?

Question: During testing, what must occur if a communication wire is disconnected between two nodes on a networked system?

Answer options:

• The panels will all enter Alarm state
• The system automatically calls the fire department
• The panels continue to work without any indication of a fault ✅ A communication trouble signal is displayed at all remaining active nodes

Correct answer: A communication trouble signal is displayed at all remaining active nodes

Explanation: During annual testing, S536 requires verifying that a trouble signal is generated when a network communication fault occurs.