Notification Appliance Circuit Module
Wiring | en
15
Bosch Security Systems, Inc.
Installation manual
2020.05 | 04 | 4998122260
5.2.3
Wiring interconnected loops with 12 VDC or 24 VDC power supplied by an
external power supply
This wiring scheme allows up to 12 D192G modules (NAC loops) triggered by a single
programmed alarm output.
Figure 5.7:
Wiring interconnected modules to a B Series panel with power supplied by an external power supply
1 Last D192G module on the
interconnected NAC loop
9 Connection to module’s ALRM TRG
terminal
2 Polarized notification devices
10 Connection between module’s SUPV
ZONE and panel zone
3 560 Ω, 2 W EOL resistors (P/
N: F01U008725)
11 Connection to panel’s Aux power
(+12 V)
4 First D192G module on the
interconnected NAC loop
12 Connection between module COM and
panel’s digital COM (
not
to earth
ground)
5 B Series control panel
13 Conduit required for wiring between
external power supply and control
panel enclosure
6 Connection to either B or C
programmed output
14 UL Listed 12 VDC or 24 VDC regulated,
power‑limited auxiliary power supply
7 D134 Dual Relay Module (as example)
15 1 kΩ EOL resistor (P/N: F01U011298)
8 Positive (+) connection between
panel’s aux power and module’s aux
and ext power terminals
Summary of Contents for D192G
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