Resideo 5140DLM Back-Up Phone Line Dialer Module for Commercial Ademco Panels

Ensure uninterrupted alarm reporting and reliable monitoring with the Resideo 5140DLM back-up phone line dialer module. This alarm communicator module delivers a supervised secondary dialer output that provides a failover path for commercial Ademco (Vista) panels—helping prevent missed signals and supporting continuous security and fire surveillance. Purpose-built for integration with Vista-128FBP, Vista-250FBP and Vista-32FB panels, the 5140DLM offers straightforward installation as a compact phone add-on and a visible green LED indicator for quick on-site status checks. By adding a dedicated, supervised phone-line backup you improve central station connectivity, reduce nuisance alarms, and simplify maintenance for facility managers and integrators. The Resideo 5140DLM is ideal for commercial fire and security installations where reliable alarm communication and compliance with monitoring requirements are essential. Upgrade your system’s resiliency—add the 5140DLM to your Ademco panel setup or contact your distributor to order.

• Provides a supervised secondary phone-line path for continuous alarm delivery, minimizing false alarms and missed signals
• Seamless OEM compatibility with Resideo/Honeywell Ademco Vista-128FBP, Vista-250FBP and Vista-32FB commercial panels for fast installation
• Visible green LED status indicator for quick on-site diagnostics and reduced maintenance time
• Compact phone add-on design that integrates with existing commercial fire and security systems without panel modification
• Enhances monitoring reliability for central stations and facility security teams, supporting uninterrupted surveillance and event reporting