User guide

Distributed Audio Panel Manual — P/N 52265:B1 6/8/2010 19
Specifications Product Description

End-of-Line Resistor required for Class B using Terminals 2(+) & 1(-): 4.7 K, ½ watt
(P/N: 27072)
 Class A (no End-of-Line Resistor) requires the wiring of Terminal 2(+) and Terminal 1(-) to
next Distributed Audio Panel
Special Application Power (Aux. Power) - TB9 Terminals 1(+) & 2(-)
Up to 35 mA @ 24 VDC special application power is available for powering addressable modules
and associated End-of-Line power supervision relays. Output is unsupervised.
Power-limited circuitry. Refer to the Device Compatibility Document for a list of compatible
devices.
Form-C Trouble Relay - TB1
Normally energized fail-safe relay transfers its contacts on any panel trouble condition.
TB1 Form-C relay contact rating: 2.0 amps @ 30 VDC (resistive), 0.6 amps @ 30 VAC (resistive).
External Audio Inputs - Optional FC-MGM Message Generator Module on P4
• RCA Audio Jack Input (female connector)
Input Impedance: 30K maximum
Input Voltage: 700 mV
RMS
maximum
Input Current: 1 mA maximum @ 700 mV
Requires preamplifier output. Mates to an RCA phono 'plug' - 3mm diameter, 10mm
length, 9mm shell diameter.
• 3.5 mm PC Audio Jack Input (female connector)
Input Impedance: 150K maximum
Input Voltage: 700 mV
RMS
maximum
Input Current: 1 mA maximum @ 700 mV
Requires preamplifier output
Interfaces to personal computer line output or headset output
(Some laptop 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.)
• Microphone Connector for optional standard microphone P/N: FC-MICROPHONE
FC-MIM Microphone Interface Module (Optional) - P7 Connector
Connector P7 provides a connection for the optional FC-MIM Microphone Interface Module which
is used to connect the FC-RM Remote Microphone Module to provide remote microphone paging
capabilities.
Audio Riser - TB5
Magnetically isolated input utilizes signals up to 70.7 V
RMS
with a frequency range of 800 Hz to
2,800 Hz.
For ACC-25/50DA Only - If background music is enabled, the maximum input signal to the riser:
– with a 20 watt speaker load per amplifier cannot exceed 25 V
RMS
– with a 25 watt speaker load per amplifier cannot exceed 20 V
RMS
Trouble Contact Input - TB12
Non-supervised, non-isolated trouble input that can be used by chargers, power supplies, etc.
Contact Closure Operation Current: 1.2 mA maximum
Standby Current: n/a