Part AA38-301

Description

The  AA38-301  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. Features Intercom functions for sixteen users Selectable NAT ICS od Andrea Tie Lines ICS volume, AUX volume, and VOX controls Live and VOX Intercom modes VOX operation LED and 28 VDC power LED Balanced output circuitry for high common mode noise rejection Specifications Weight: 1.01 lb (0.45 kg) Dimensions (H x D x W): 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 Operating Temperature: -30°C to 55°C Survival Temperature: -55°C to 85°C Altitude: 25,000 ft max. Humidity: 95% Input Voltage: 27.5 VDC with reverse and over-voltage protection (32.2 VDC max.) Input current: 0.66 Amps max @ 27.5 Number of Input Channels: 16 mic channels 2 ICS tie channel 2 AUX input channel Input Audio Level: 250 mVRMS for mic inputs 0.34 VRMS for NAT ICS tie input 2.8 VRMS for Andrea ICS tie input 2.5 VRMS for AUX input Input Impedance: 150Ω ±10% for mic inputs 1.6kΩ ±10% for NAT ICS input 250Ω ±10% for Andrea tie input 940Ω ±10% for AUX input Circuitry Type: all mics are single-ended inputs tie lines are sing