Northern Airborne Technology PIA01-001 - Manual (Page 8)

PIA01-001 Passenger Intercom Amplifier
SM78 Installation and Operation Manual
Section 1 Rev: 1.00
Issue 1 Page 1-5
ENG-FORM: 800-0116.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
Headphone (Type Three)
Load Impedance:
600 Ω ±10%
Output Impedance: ≤60 Ω
Bi-Directional Signals
Digital ICS Tie Line (ICS TIE TX/ICS TIE RX)
Serial Data Port:
Quantity: 1
Specification: RS422
Serial Data Protocol: S/PDIF
Analog ICS Tie Line (NAT ICS TIE)
Quantity: 1
Port Impedance: 2 k Ω ±15%
Rated Level: 230 mVrms nominal, (2 loads)
136 mVrms nominal, (4 loads)
Circuitry Type: balanced
1.4.1.1 Audio Performance
The PIA01-001 meets the requirements of FAA TSO-C139 and RTCA/DO-214 Class Ib.
Audio Frequency Response: <3dB from 300 - 6000Hz
Volume Controls: 40dB of adjustment (intercom audio)
Crosstalk: >55dB attenuation from rated output power for input to output
crosstalk and bleedthrough.
>60dB attenuation from rated input level for input to input
crosstalk (except for stereo Music left and right channel inputs).
1.4.2 Physical Specifications
Height: 34.3 mm (1.35 in) maximum
Depth: 201.9 mm (7.95 in) maximum
Width: 168.9 mm (6.65 in) maximum including flanges
Weight: 0.72 kg (1.65 lbs.) maximum
Material and Finish: Brushed aluminium, conversion coated
Connectors: 1 x 50 pin D-Sub, male; Jackpost locking hardware
Installation: RS-422 Cable: 20.0 m (785.9 in) maximum
MIC Cable:
5.0 m (196.7 in) maximum
PHN Cable: 5.0 m (196.7 in) maximum
Mounting: Bulkhead Mount (four 10-32 screws)