Addressable Modules

Intelligent input/output modules for system expansion and integration

FW2821 Supervised Input/Output Module
Most Versatile

FW2821 Supervised Input/Output Module

The FW2821 is an intelligent addressable input-output module for fire protective signaling systems. It offers a single 24VDC output and an input switch configurable for Alarm, Trouble, Supervisory, or Monitor/feedback types. Monitors for open line, short circuit, and ground faults.

24VDC
Output Power
4 Types
Configurable Input
Full
Line Monitoring
UL/ULC
Certified
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Addressable Interface Modules

Input
FW2811

FW2811 Input Module

Monitors a single contact with line supervision

  • 4 configurable types
  • Open/ground fault monitoring
  • Addressable on SLC/DCL
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I/O
FW2821

FW2821 I/O Module

Supervised input and 24VDC output

  • 4 configurable input types
  • 24VDC output
  • Full fault monitoring
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Relay
FW2831

FW2831 Relay Module

Dual control relay outputs

  • 2 relay outputs
  • Simultaneous activation
  • LED status indication
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Zone
FW2841

FW2841 Zone Module

Interface for conventional detectors

  • 2-wire conventional detectors
  • Retrofit applications
  • N/O dry contact support
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Mounting Accessories & Enclosures

Module Base
FW801

FW801 Module Base

Universal mounting base for modules

  • For FW2811/FW2821/FW2831
  • Also for FW2841/FW2851
  • Secure installation
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Module Box
FW434

FW434 / FW435 Cabinets

Multi-module enclosures

  • FW434: up to 16 modules
  • FW435: up to 8 modules
  • UL 864 10th Edition
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Module Selection Guide

Choose the right module for your application:

  • FW2811 Input – Monitoring dry contacts, pull stations, flow switches
  • FW2821 I/O – Controlling and monitoring remote devices
  • FW2831 Relay – Switching HVAC, door holders, auxiliary equipment
  • FW2841 Zone – Integrating conventional zones into addressable systems
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