Wired Door Alarm Multiplexer Manual by PTI Security Systems | Jul 30, 2018 | Door Alarms, Manuals, Multiplexers Created OnJuly 30, 2018Last Updated OnDecember 10, 2020byPTI Security Systems Download Wired Door Alarm Multiplexer Manual Installation manual for the PTI Wired Door Alarm Multiplexers (Muxes). Download