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Figure 4.1: Wiring the D132B smoke power reversing module
1 Power limited and supervised 7 12/24 VDC
2 Optional alarm latch 8 24 V reversing detectors
3 Loop 9 2.2 kΩ EOL (power limited and
supervised)
4 Class A 10 Not used
5 Latch 11 24 V NACs
6 NAC
D185 Reverse Polarity Module
The D185 Reverse Polarity Module is a UL Listed module that connects the control panel with
either a single set or a pair of leased telephone company (TELCO) lines in NFPA 72 remote
station applications. It relays system alarm status information from the control panel to a
monitoring station. The D185 operates with either 12 VDC or 24 VDC supply.
For typical wiring of the D185 module, see the following figure:
24 en | Installation Fire Alarm Control Panels
2012.08 | 04 | F01U008458 Installation and Operation Manual Bosch Security System, Inc.