2.2 Glossary
Table 3: Glossary
Term Definition
Aux Abbreviation for Auxiliary; typically used to describe Auxiliary Power or Auxiliary Relays.
EOL End-of-Line, typically in reference to an end-of-line resistor or EOL resistor.
IDC Initiating Device Circuit.
IDNet Addressable SLC for up to 250 addressable devices.
IDNet+ IDNet that is electrically isolated from internal panel electronics.
NAC Notification Appliance Circuit, formerly called signal circuit.
RAC Releasing Appliance Circuit
Regulated 24 DC Notification appliance operation that meets the minimum listing requirements; inrush currents typically
require power supply and NAC rating.
RUI Remote Unit Interface; SLC for communications with remote annunciators.
Simple NAC A Reverse Polarity Supervised Notification Appliance Circuit that is capable of on-steady or coded
operation. Sync or SmartSync operation is not supported.
SLC Signaling Line Circuit
2.3 User Interface
The user interface is a 4.3 in. (109mm) diagonal color LCD with a resistive touch panel and 12 indicating LEDs. The color LCD provides
system status and access to perform system functions and to change the system configuration.
Figure 1 shows an inside view of the AUTOPULSE Z-20 with the optional LED module (4007-9805) installed.
Figure 1: AUTOPULSE Z-20 panel inside view
page 5 579-1102AR Rev C
Z-20 Agent Releasing Panel Installation Manual