LCM-320 & LEM-320 Loop Modules – Expandable SLC Capacity for NOTIFIER ONYX® Series PanelsThe LCM-320 Loop Control Module and LEM-320 Loop Expander Module are advanced loop interface components designed to enhance the capacity and flexibility of NOTIFIER’s ONYX® Series Fire Alarm Control Panels, including the NFS2-640 and NFS2-3030 models. These modules provide additional Signaling Line Circuits (SLCs), allowing the system to support more intelligent devices across larger building areas. Engineered for efficient installation and robust performance, the LCM-320 and LEM-320 are essential for scalable fire detection in complex facilities.

LCM-320 LEM-320 Notifier

Increased Device Capacity

Adds additional SLC loops to NFS2-640 and NFS2-3030 panels

Supports up to 12,500 feet (3,810 meters) of Class B (Style 4) SLC wiring

Ideal for expanding system coverage in large or multi-structure environments
Built-in degraded mode maintains loop functionality in the event of a partial failure

Improves overall system resilience and fault tolerance

Supports a wide range of intelligent detectors and modules
Space-saving design permits multiple loops within a compact enclosure

Plug-in style interface simplifies installation and reduces setup time

Designed for quick serviceability and system upgrades
Compatible with both Class A (Style 6/7) and Class B (Style 4) wiring

Allows customization based on application-specific layout and safety requirements

Fully supports NOTIFIER’s advanced device communication protocols
Original Components: Guaranteed compatibility with NOTIFIER ONYX® systems

Scalable Solutions: Easily expand your fire alarm infrastructure without system overhauls

Expert Guidance: Assistance from trained specialists for system planning and installation

Fast Delivery: Nationwide shipping for timely project execution

End-to-End Support: Ongoing help with commissioning, maintenance, and upgrades
Multi-Building Campuses

Commercial High-Rises

Industrial Complexes

Transportation Hubs

Healthcare and Educational Institutions
LCM-320: Primary Loop Control Module

LEM-320: Loop Expander Module (requires LCM-320)

Wiring Distance: Up to 12,500 ft (3,810 m) for Class B (Style 4) loop

Installation: Plug-in module for direct panel mounting

Operation: Supports degraded mode for enhanced reliability
Additional SLC-compatible Detectors and Modules

Network Communication Interface Cards

Panel Expansion Enclosures

Backup Power Supplies