As copper landlines are phased out and fade into obsolescence, modern building safety systems must evolve to meet today’s communication demands. One of the most significant transitions underway is the growing reliance on cellular communicators in fire alarm systems. These new technologies not only offer a more reliable and cost-effective alternative to traditional landlines, but also open the door to remote access, streamlined maintenance, and smarter integration. Two standout innovations in this space are the Honeywell CLSS Gateway and the Napco SLE-MAX-FIRE communicator—both delivering cutting-edge solutions for building safety management.
New Technology
The Honeywell Connected Life Safety Services (CLSS) Gateway plays a central role in linking Honeywell fire alarm systems to the cloud-based CLSS platform. This gateway enables remote monitoring, configuration, and management of fire alarm systems, all of which can be controlled through the Honeywell CLSS CheckPoint mobile app. With the addition of an optional cellular module, the gateway also functions as a communicator to central monitoring stations, eliminating the need for landlines.
One of the most powerful features of the CLSS Gateway is its cloud connectivity, which facilitates seamless data transmission to and from the CLSS cloud. This allows building managers to oversee fire alarm systems in real time, no matter where they are. The gateway also connects directly to Honeywell’s fire alarm control panels, either as standalone units or across networks, and offers both wired and wireless connection options for flexible installation. Additionally, the device supports Modbus/TCP networks, providing communication links to fire alarm control panels on NFN networks. This level of integration enables proactive maintenance and significantly reduces operational costs by streamlining fire system management.
Meanwhile, the Napco SLE-MAX-FIRE communicator offers its own unique set of advantages, particularly in its versatility. Designed to work with virtually any fire alarm panel, it supports communication over Verizon and AT&T cellular networks, as well as via the Internet. Its takeover feature is especially notable—it allows existing central station phone numbers to be rerouted without the need for panel reprogramming, making upgrades simple and cost-effective. With support for 12V to 24V power inputs, and no need for additional cabling or equipment, the SLE-MAX-FIRE installs quickly and reports reliably to any central station, all without incurring extra radio activation fees.
The Real-World Impact
These innovations are already making a real-world impact. In one recent project, our team collaborated with a partner to completely overhaul an outdated fire alarm system. We installed new cabling, upgraded to modern addressable devices, and replaced old notification appliances to improve the facility’s safety and compliance. In an educational setting, we enhanced building security by installing wireless security systems across multiple elementary school campuses. These upgrades provided comprehensive coverage and brought their infrastructure up to modern safety standards.
As legacy infrastructure is retired, the industry is rapidly pivoting toward cloud-enabled, mobile-accessible, and cellular-based fire alarm technologies. Both the Honeywell CLSS Gateway and Napco SLE-MAX-FIRE communicator are excellent examples of how this transition is not only necessary but beneficial—bringing greater reliability, efficiency, and peace of mind to building managers and occupants alike.
Written By: Eric Gragg, Fire Alarm Specialist, NICET III