9-15
Section 9-8 - Notification Appliance Circuit Interface Module (NACIM)
Wheelock, Inc. Part Number: 105498
The Notification Appliance Circuit Interface Module (NACIM) in Figure 9-8 is used to convert the
Notification Appliance Circuit (NAC) of a Fire Alarm Control Panel (FACP) to an open collector circuit to
operate the inputs of the Digital Voice Module. The NACIM can be connected to either a 12-volt or a 24-
volt NAC circuit. An End-Of-Line Resistor (EOLR) that is UL LISTED for use with the FACP shall be
installed across the two terminals of the TB2 on the NACIM. See Figure 9-8.
Additional Information is available on the NACIM Installation Instruction Sheet P83487.
EOLR
TB-1
TB-2
INPUT
OUTPUT
TRBL
COM
NO
P83480
+
_
+
_
Figure 9-8
Notification Appliance Circuit Interface Module
(NACIM)