Technical data
SP40S Multi-Function Facility Communication System Manual, Revision L 
iv 
4.4.5  Installing Audio Output Connections ............................................................... 10 
4.4.6  Installing Auxiliary Circuit Connections ......................................................... 11 
4.4.7  Installing Audio Input Connections ................................................................. 11 
4.4.8  Installing Digital Voice Initiating Connections................................................ 11 
4.4.9  Installing Ancillary Audio Input Connections ................................................. 12 
4.4.10  Setting Adjustable Audio BGM Sources ....................................................... 13 
4.4.11  Installing Alarm, System Trouble, and AC Trouble Output Connections ..... 14 
4.5  Wiring the System ........................................................................................................ 15 
4.5.1  Wiring Guidelines ............................................................................................ 15 
4.5.2  Field Wiring Connections ................................................................................ 15 
4.5.3  Preparing a System Wiring Diagram ............................................................... 15 
4.5.4  Visual Notification Appliance Output Wiring ................................................. 16 
4.5.5  Speaker Notification Appliance Output Wiring ............................................... 16 
4.5.6  Wiring Diagrams for Audio/Visual Notification Appliances ........................... 16 
4.5.7  Wiring the Alarm Output Contact .................................................................... 17 
4.5.8  Wiring the System Trouble Connections ......................................................... 18 
4.6  Performing System Checkout....................................................................................... 19 
4.6.1  System Control Settings ................................................................................... 19 
4.6.2  Checkout Procedure ......................................................................................... 19 
4.7  Ground Fault Detection ................................................................................................ 22 
4.8  Battery Care and Backup Battery Calculations ............................................................ 22 
4.8.1  Caring for Sealed Lead Acid Batteries ............................................................. 22 
4.8.2  Storing Batteries ............................................................................................... 22 
4.8.3  Calculating Backup Battery Requirements ...................................................... 23 
4.9  Installing AC Power and Batteries ............................................................................... 24 
4.9.1  Installing AC Power ......................................................................................... 24 
4.9.2  Installing Batteries ........................................................................................... 25 
Chapter: 5  Operation  1 
5.1  Introduction .................................................................................................................... 1 
5.2  User Interface ................................................................................................................. 1 
5.3  Supervision ..................................................................................................................... 1 
5.3.1  Visual Notification Appliance Output Circuit Supervision ............................... 2 
5.3.2  Audio Notification Appliance Output Circuit Supervision ................................ 2 
5.3.3  Amplifier Supervision ........................................................................................ 2 
5.3.4  Ground Fault Supervision .................................................................................. 2 
5.4  Actions that Initiate Audio Alarms ................................................................................ 3 
Chapter: 6  Operational Procedures  1 
6.1  Making Live Announcements ........................................................................................ 1 
6.2  Recording Digital Voice Messages ................................................................................ 1 
6.3  Recording Messages on the Digital Voice Section ........................................................ 2 
6.4  Verifying Messages ........................................................................................................ 3 
Chapter: 7  Periodic Testing and Maintenance  1 
7.1  Introduction .................................................................................................................... 1 
7.2  Periodic Testing ............................................................................................................. 1 
7.2.1  Test Frequency ................................................................................................... 1 










