16
Notifier FirstCommand Series Manual —
P/N LS10001-001NF-E:H 1/8/2018
Product Description
Input/Output Circuit Specifications
1.2.2 Display Board
External Audio Input - TB5, Terminals 1(-), 2 (+)
Input Impedance: 8.5K
Ω
, nominal @ 1 KHz
Input Voltage: 700 mV
RMS
maximum
Input Current: 0.1 mA, maximum @ 700 mV
Background Music Input Voltage (Non-Canadian applications): 225mV
RMS
,
maximum
1.2.3 NFC-CE6 Circuit Expander Module
Power-limited (Class 2) circuitry
Up to six (6) circuits on the NFC-CE6 can be wired as Style Y (Class B) or Style Z (Class A).
Normal Operating Voltage for Speaker Circuits: 25 V
RMS
@ 2 amps max. and maximum Load Impedance of 12.5
Ω
(70.0 V
RMS
@ 700 mA max. with maximum Load Impedance of 100
Ω
operation possible for the primary circuit by plugging
optional NFC-XRM-70V conversion transformer into J12 of the main control board. The same operation is possible for the optional
50W amplifier by selecting the NFC-BDA-70V model.)
Speaker circuit wiring is supervised during standby, background music, and alarm.
Output Power: 50 watts total; Frequency Range: 800 - 2,800 Hz
Maximum total capacitance: 250 µF.
(Note that the total capacitance for the speaker outputs must not exceed the maximum of 250 µF).
End-of-Line Resistor required for Style Y (Class B) speaker circuit: 15 K
Ω
, 1 watt (P/N: ELR-15K)
TB13 on the main control board: ACS/ANN (EIA-485) electrically isolated link to FACP provides programmed speaker control
TB20
TB19
TB17
TB23
TB24
TB20
TB17
TB24
Primary 50W
Speaker Circuit
10W max. = 0.66
amps from supply
NAC Circuit
2.0 amps max.
Aux. Power
0.5 amp max.
Speaker Volume
Control Override
0.25 amp max.
External Operator
Interface Power
0.8 amp max.
Standby
2.0 amps max.
(includes
background
music).
Alarm
7.5 amps
max.
Figure 1.2 Current Availability - 50 Watt System
Primary 50W
Speaker Circuit
10W max. = 0.66
amps from supply
Aux. Power
0.5 amp max.
External Operator
Interface Power
0.8 amp max.
NOTE:
Some laptops/personal computers only provide an audio output for headphones. It may be necessary to adjust the headphone
output level for proper recording of voice messages.
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