Class X
A wiring classification capable of transmitting an alarm signal during a single open, short, or
non-simultaneous ground fault on a conductor.
D
DIP Switch
A group of two-position electrical contacts mounted in a Dual Inline Package (DIP), typically
used to set address or function information.
E
End-Of-Line Device (EOL)
An electronic component physically installed as the furthest device from the control panel;
whose presence on the circuit is used to monitor the integrity of the circuit.
L
Loop Explorer 2
Windows-based configuration software for the Fire Alarm Control Panel
N
NAC
Notification Appliance Circuit. A supervised output circuit that connects horns, strobes,
speakers, etc. to the control panel.
S
SLC
Signaling Line Circuit. A Signaling Line Circuit (SLC) carries data to and from the field
devices for the fire alarm system, and also carries power from the control panel to the
devices.
Supervision
Monitoring the integrity of a circuit or device to detect a fault condition that would prevent nor-
mal operation.
SHIELD Fire, Safety & Security Ltd
Aura Fire Alarm Control Panel Installation Manual
Version 1.00 |June 2019 |MAN-1431VS
Page 148
Glossary
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