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Adding External Signaling to an AP-M Answering Station

Updated on December 27th, 2025

This guide shows the process of adding external signaling to an existing AP-M system.

APM-003-Ext-Signaling

AP-M Operation and Installation Instructions MP-S Instructions Adding External Signaling to an AP-M Answering Station Adding an LE Series Door or Sub Station to an AP-M Answering Station Using an LE Door or Sub Station with an MP-S Answering Station Adding External Signaling to an Existing MP-S Answering Station