Technical data

Chapter 3: Overview
Feature Description
Alarm Audio Processing Section
• Three Priority ordered audio inputs
Hand-held, push-to-talk (PTT) microphone, and Priority 1. For live,
emergency voice announcements and instructions. The microphone
overrides (mutes) any voice message or tones in progress.
• Auxiliary Input (AUX IN, CC/NAC), Priority 2.
o CC or NAC initiates AUX IN audio
o CC is supervised. NAC is not supervised.
o For use with SAFEPATH4 – Remote Microphone Expander
(SP4-RMX) or SAFEPATH4 – Remote Microphone (SPRM)
• Digital Voice Section inputs (IN1, IN2, IN3, IN4, IN5, IN6, IN7,
IN8).
o IN1, IN2, IN3, IN4, IN5, IN6, IN7, IN8 have priorities 3, 4, 5,
6, 7, 8, 9, and 10 respectively.
o IN1 – IN8 are initiated via Contact Closure.
o IN1, IN2, IN3, IN4, IN5, IN6, IN7, IN8 are supervised for an
OPEN.
o Messages can also be initiated via user interface.
Non-Alarm Audio Processing
Section
• Night Ring (NR), Priority 6.
o Contact closure activated.
o Non-alarm.
o Does not operate if on Battery.
• Telephone Page (TEL), Priority 7.
o Accepts a Telephone Page Port Input.
o Will not operate if the panel is on Battery.
• Background Music (BGM), Priority 8.
o Line Level Input.
o Will mute when any other input is used.
o Will not operate if the panel is on Battery.
Ground Fault Detection Section Monitors inputs and outputs for 40K Ohms minimum in relation to
ground.
A Dual-Tone Tone Generator with
two field selectable sounds (Code
3 Tone, Slow Whoop) that sound
when there is a Digital Voice
Section Failure in alarm condition.
Provides Code 3 tone or Slow Whoop (user selectable) in the instance
of a Digital Voice failure or system timeout.
Full supervision with on-board
diagnostics and trouble reporting
circuits for:
Audio NAC circuit wiring -- open and short conditions during standby
AND active (Alarm and BGM) Ground Fault detection
Strobe NAC circuit wiring -- open and short conditions
PTT Microphone -- not installed or damaged
Amplifier -- operation
Digital Voice Section
Input voltage/low battery
Tone generator operation
SP40S Multi-Function Facility Communication System Manual, Revision D
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