Installation
SP40S Multi-Function Communications System
36
Table 4 Terminal Block Connection Definitions
Terminal
Block
Symbol
Alarm Connections
Definitions
TB1
Terminal
Block 1
Section 1
Alarm Connections
ALM
Alarm connections
Alarm Form C relay changes state in Audio Alarm Conditions. These
conditions are: Push-to-talk Button on MIC depressed. AUX initiated via
CC or NAC, and IN1- IN8 inputs present. Contacts are rated at 24VDC,
2A. Resistive load.
NO
Normally open
Alarm Relay contact open to Common (COM) in non-alarm condition.
NC
Normally closed
Alarm Relay contact closed to Common (COM) in non-alarm condition.
COM
Common
Alarm Relay Common (COM).
TB2
Terminal
Block 2
Section 2
System Trouble Connections
TRB
System Trouble connections
Trouble Form C relay changes state in Trouble Conditions. Contacts are
rated at 24VDC, 2A. Resistive load.
NO
Normally open
Trouble Relay contact open to Common (COM) when a system trouble is
NOT present.
NC
Normally closed
Trouble Relay contact closed to Common (COM) when a system trouble
is NOT present.
COM
Common
Trouble Relay Common (COM).
TB3
Terminal
Block 3
Section 3
AC Trouble Connections
AC TRB
AC Trouble connections
AC Trouble Form C relay changes state when primary power is missing or
low. Contacts are rated at 24VDC, 2A. Resistive load.
NO
Normally open
AC Trouble Relay contact open to common (COM) when primary power is
sufficient.
NC
Normally closed
AC Trouble Relay contact closed to common (COM) when primary power
is sufficient.
COM
Common
AC Trouble common (COM).
Terminal
Block
Symbol
Alarm Connections
Definitions
TB4
Terminal
Block 4
Section 4
Audio Output Connections
AUD
OUT
Audio Output
Audio Output for 25V or 70V speakers. Supervised using UL Listed 10K
Ohm, ½ W EOLR. Power Limited.
24V
OUT
24 VDC, 0.5A Output
24 VDC, 0.5A Continuous Output Connection, Power Limited auxiliary
power source. NOTE: Two 24V outputs combine for 0.5A.
SPB
SUP
SAFEBAPTH4 Booster
Supervision
Contact Closure indicates a primary power loss on the audio booster.
Input is supervised using 10k Ohm EOLR. Used only when AC loss is
reported separately from system trouble.
Active only when SW2
Position 3 is ON.
TB5
Terminal
Block 5
Section 5
Night Ringer, Telephone Page, Background Connections
NR
Night Ring
Contact Closure Input initiates chime sound for Night Ring. Non-
supervised. Night Ring does not operate without VAC input and the Panel
is operating on Battery.
TEL
Telephone Page Input
Telephone Page Input from a telephone Page Port. Non-Supervised.
Telephone Page does not operate without VAC input and the Panel is
operating on Battery.
BGM
Background Music Input
Line Level, 600 Ohm Background Music Input. Automatically mutes when
any other input is in use. Non-Supervised. Background Music input does
not operate without VAC input and the panel is operating on Battery
Содержание SP40S Series
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