The AA38-381 local ICS loopprovides intercom functions for sixteen users in HOT MIC or VOX mode operation. A switch-selectable NAT or Andrea tie line allows connection to multi-unit systems. An AUX input allows for a radio or music to be connected.
规格：
Weight:
1.01 lb (0.45 kg)
Dimensions:
2.31 x 4.60 x 4.50 in (58.7 x 116.8 x 114.3 mm)
Mounting:
bulkhead mount with four 10-32 screws
Material/Finish:
5052/H32 brushed aluminum with chromate conversation finish
Connectors:
Two filtered male 37-pin D-subminiature, connector with jack posts
Input Voltage:
27.5 VDC with reverse and over-voltage protection, 32.2 VDC max
Input Current:
0.66 A, max @ 27.5 VDC
Input Signals:
8 mic channels
1 ICS tie channel
1 aux input channel
Input Audio Level:
250 mVRMS, mic inputs
0.34 VRMS, NAT ICS tie input
2.8 VRMSm, Andrea ICS tie input
2.5 VRMS, Aux input
Input Impedance:
150Ω ±10%, mic input
1.6kΩ ±10%, NAT ICS tie input
250Ω ±10%, Andrea tie input
940Ω ±10%, aux input
Input Circuitry Type:
all mics are single-ended inputs
tie lines are single-ended inputs
aux line is single-ended
better than -60 dB input-to-input crosstalk (mic to aux to ICS)
Output Signals:
8 headset outputs
Rated Output Levels:
headset output 7.7V rms or 100 mW (20 dBm) into 600Ω
Output Impedance:
30Ω ±10%, headset output
Output Circuitry Type:
balanced output for high common mode noise rejection
Frequency Response:
<3 dB from 350 Hz to 3,000 Hz, intercom
<3 dB from 350 Hz to 3,000 Hz, RX
<10% THD @ rated power output, audio noise level
<10% /3 dB max of rated output power at 400% and 75% of rated load, output regulation
Operating Temperature:
-30°C to 55°C
Survival Temperature:
-55°C to 85°C
Humidity:
95%
Approval:
FAA TSO-C50c, RTCA/DO-170 Class 1a)
特征：
Intercom functions for sixteen users
Selectable NAT, ICS, or Andrea Tie Lines
ICS volume, AUX volume, and VOX controls
Live and VOX Intercom modes
VOX operation LED and 28 VDC power LED
