Technical data

Chapter 9: Technical Data
9.3 Electrical
9.3.1 Input
Parameter Description
Primary Input Voltage 120VAC, 2.4A, 60Hz
Secondary (Battery) Voltage 20.4-27.5VDC (33Ah)
9.3.2 Battery Current Calculations
The current draw of the SP40S Multi-Function Facility Communication System is determined by
the configuration being used. Section 4.8, Battery Care and Battery Backup Calculation, will
assist you in developing the current requirements.
9.3.3 Activation
There are nine ways to activate the SP40S panel. The table below lists these activation sources in
order of priority.
Method of Activation Description
Strobe NAC 8-33VDC
Push-to-Talk Microphone Connected to Mother Board
Auxiliary Input Remote Microphone or RMX Initiation
IN1 Contact Closure. Activates Message 1 on Digital Voice Section.
IN2 Contact Closure. Activates Message 2 on Digital Voice Section.
IN3 Contact Closure. Activates Message 3 on Digital Voice Section.
IN4 Contact Closure. Activates Message 4 on Digital Voice Section.
IN5 Contact Closure. Activates Message 5 on Digital Voice Section.
IN6 Contact Closure. Activates Message 6 on Digital Voice Section.
IN7 Contact Closure. Activates Message 7 on Digital Voice Section.
IN8 Contact Closure. Activates Message 8 on Digital Voice Section.
Telephone Page Telephone Page Port
Night Ring Contact Closure
Background Music Line Level Signal 2.5V P-P or 300mV RMS at 600 Ohms.
SP40S Multi-Function Facility Communication System Manual, Revision D
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