Edwards (3-RS485B) Network communications card, class b. mounts to the 3-cpu(1) and supports class a/b network and class b audio data

$341.03

SKU: 3-RS485B Brand:

Network Communications Card, Class B. Mounts to the 3-CPU(1) and supports Class A/B Network and Class B Audio Data

25 in stock

The Edwards 3-RS485B Network Communications Card represents a critical interface module for advanced fire alarm system architectures, designed specifically to expand network communication capabilities within complex commercial fire detection environments. This class B network communication card mounts directly to the 3-CPU(1) platform, enabling robust data transmission and integration across addressable fire alarm networks.

Engineered for professional installers working in mission-critical facilities, the 3-RS485B provides seamless communication support for both class A and class B network topologies, with dedicated capabilities for class B audio data transmission. Its precision-engineered design ensures reliable signal routing and network expansion for large-scale fire detection and notification systems in commercial, institutional, and industrial applications.

Key Features

  • Direct compatibility with Edwards 3-CPU(1) fire alarm control platforms
  • Supports simultaneous class A and class B network configurations
  • Native class B audio data transmission capabilities
  • Meets stringent NFPA 72 network communication requirements
  • Designed for high-reliability commercial fire alarm system architectures
  • Compact form factor allowing simplified panel integration

Typical Installation Contexts

The 3-RS485B is optimally deployed in complex fire alarm networks requiring advanced communication routing, including:

  • Multi-story commercial office complexes
  • Healthcare facilities with distributed notification requirements
  • Educational campuses with interconnected building systems
  • Industrial manufacturing environments with distributed monitoring needs

Standards Compliance

Edwards 3-RS485B network communication cards are rigorously tested and certified to meet the following industry standards:

  • NFPA 72 – National Fire Alarm and Signaling Code
  • UL 864 – Control Units and Accessories for Fire Alarm Systems
  • UL 268 – Smoke Detectors for Fire Protective Signaling Systems

Technical Specifications

  • Network Interface: RS-485 serial communication
  • Communication Modes: Class A and Class B
  • Data Transmission: Class B audio support
  • Environmental Rating: Designed for indoor use in controlled environments
  • Mounting: Direct mount to 3-CPU(1) fire alarm control platform

For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com

Additional information

Weight 0.5 lbs
Dimensions 12 × 4.5 × 3.5 in
Condition

New

Manufacturers

Edwards

Part Type

Interface Module