CAT Alarm Communication Systems & Signal Transmission 3

Question 1

What does a 'comm failure' trouble condition on an alarm panel indicate?

Accepted Answer

The panel failed to successfully transmit a signal to the central station

Answer

A detection zone has been bypassed in the system

Answer

The backup battery has reached the end of its service life

Answer

A door or window contact sensor has malfunctioned

Question 2

What should a technician check FIRST when troubleshooting a communication failure on an alarm system?

Accepted Answer

Whether the communication path has the required signal or line voltage present

Answer

Whether all alarm detection zones are properly closed

Answer

Whether the backup battery is sufficiently charged

Answer

Whether the keypad display is functioning normally

Question 3

What could cause a telephone line voltage fault on a PSTN alarm communicator?

Accepted Answer

The telephone line has been cut or disconnected by the provider

Answer

The premises AC power supply has failed

Answer

The backup battery voltage is too high

Answer

Too many sensors are connected to a single alarm zone

Question 4

How does a cellular alarm communicator maintain its registration on the carrier network between alarm events?

Accepted Answer

Through periodic keep-alive or check-in transmissions

Answer

By continuously transmitting a test signal every second

Answer

By remaining completely silent until an alarm activates

Answer

By storing events locally and uploading them in batches

Question 5

Which factor most significantly affects the performance of a cellular alarm communicator?

Accepted Answer

Proximity to cellular towers and absence of RF-blocking obstructions

Answer

The number of detection zones programmed in the panel

Answer

The age of the alarm control panel

Answer

The type of motion detectors installed in the system

Question 6

What is the purpose of the 'acknowledge' tone sent by the central station receiver to the alarm communicator?

Accepted Answer

To confirm that the transmitted alarm signal was successfully received

Answer

To remotely reset the alarm panel after an event has been handled

Answer

To instruct the alarm panel to arm itself automatically

Answer

To notify the communicator that emergency services have been dispatched

Question 7

Where should a cellular alarm communicator antenna ideally be installed to ensure reliable signal transmission?

Accepted Answer

In a location with strong cellular signal, away from metal obstructions

Answer

Inside the metal control panel enclosure to protect it from damage

Answer

Adjacent to the main electrical panel for convenient power access

Answer

Directly beside the siren for synchronized signal output