Local ICS Loop Intercom | 16 Users, DB Systems Tie Line

Product Description

The AA38-381 local ICS loop provides 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.

Specifications

• 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)

Product Codes

• Mfr Part No
  AA38-381