Power Supply Terminals
Power Supply Terminals of the
Main Back Board are used for
factory wiring purposes only.
Field Terminals Description Power Limited
Ground terminal connection N/A
TRBL Power trouble input. Active when connected to negative terminal (- ). Yes
(- ) Negative terminal connection from the 24V DC power supply Non-power limited
(+ ) Positive terminal connection from the 24V DC power supply Non-power limited
Main Back Board (AUL-9022)
SHIELD Fire, Safety & Security Ltd
Aura Fire Alarm Control Panel Installation Manual
Version 1.00 |June 2019 |MAN-1431VS
Page 79
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