Air Comm Systems Six Passenger ICS/Transmit Expansion Unit ACS 179A - Manual (Page 3)

Air Comm Systems, Inc. Page 3
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Physical Specifications
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Operating Specifications
ACS 179A Installation and Operations Manual
Physical and Operating Specifications
SIZE: 5.750 “ W WEIGHT: 1.0 lb.
1.875 “ H
4.550 “ D w/ connector ILLUMINATION: n/a
MOUNTING: Dzus rail mount or remote mounting using 4 hole configuration.
CONTROLS: Unit slaves off of an existing audio mixer panel, typically a co-pilot
or crew member.
INPUTS: 4 audio inputs. 2 for mixed audio and 2 for the ICS buss. Mixed audio is muted
during transmit and normal ICS. Mixed audio is unmuted during hot ICS operation.
DUTY CYCLE: Continuous POWER REQUIREMENTS: 28V DC +/- 10%
MAXIMUM OPERATING ALTITUDE: 20,000 ft.
OPERATING TEMP. RANGE: -40 C to +85 C (operating), -65 C to +125 C (storage)
CURRENT DRAIN: 20 mA at 28V (standby), 800 mA at 28V (max. signal)
AUDIO OUTPUT: 500 mW into 600 ohms
FREQUENCY RESPONSE: Within 6 db - 300-3000Hz
ICS INPUT IMPEDANCE: 600 ohms
INPUT ISOLATION: Not less than 60 db between mixed audio and ICS buss.
AUDIO MUTING: Not less than 40 db during transmit/ICS (optional)
MIKE SENSITIVITY: 300 mV for rated output
DISTORTION: Less than 10% at 1000 Hz for maximum output