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Northern Airborne Technology Ltd.

1925 Kirschner Road

Kelowna, BC, Canada.

V1Y 4N7

Telephone (250) 763-2232

Facsimile (250) 762-3374

Issued on the authority of Northern Airborne Technology Ltd.

Installation and Operation Manual

PIA01-001

Passenger Intercom Amplifier

SM78

ISSUE 1.00

Содержание PIA01-001

Страница 1: ...hner Road Kelowna BC Canada V1Y 4N7 Telephone 250 763 2232 Facsimile 250 762 3374 Issued on the authority of Northern Airborne Technology Ltd Copyright 2010 Installation and Operation Manual PIA01 001 Passenger Intercom Amplifier SM78 ISSUE 1 00 ...

Страница 2: ...status of this installation and operation manual is controlled by issue shown on the title page The status of each section is controlled by revision shown in the footer of each page All revisions affecting sections of this manual have been incorporated into the latest issue ISSUE REVISION RECORD Manual Issue Number Section Revision Number Revision Description Issue Date 1 00 Section 1 Rev 1 00 Sec...

Страница 3: ...ical Specifications 1 2 1 4 2 Physical Specifications 1 5 1 4 3 Environmental Specifications 1 6 1 4 4 Product Approval 1 6 2 Installation 2 1 Introduction 2 1 2 2 Unpacking and Inspection 2 1 2 2 1 Warranty 2 1 2 3 Continued Airworthiness 2 1 2 4 Installation Procedures 2 1 2 4 1 Warnings 2 2 2 4 2 Cautions 2 2 2 4 3 Mounting 2 3 2 4 4 Cabling and Wiring 2 3 2 4 5 Post Installation Checks 2 6 2 5...

Страница 4: ...apply to all of the PIA01 users The headphone outputs will support mono headsets The microphone audio is summed together as one group The PIA01 is initially intended for application with the Northern Airborne Technology NAT Digital Audio Communication System DACS In this configuration the PIA01 provides intercom audio with the passengers of the Audio Management Unit AMU within the DACS system via ...

Страница 5: ... setting via the digital ICS Tieline digital mode or jumper settings analog mode Quantity 6 Gain Adjustable from 9 dB to 6 dB of nominal input level 1dB with 15 steps of adjustment digital mode only Microphone Type One dynamic Rated Level 250 µVrms nominal to produce rated headphone output Impedance 5 Ω 30 Circuitry Type differential Microphone Type Two dynamic Rated Level 850 µVrms nominal to pro...

Страница 6: ...ic active LO no external pull up required Input Active 3 Vdc Maximum Current 10 mA Input Protection diode protected to 45 Vdc maximum Microphone Impedance Discrete Input MIC IMPEDANCE Quantity 1 5 Ω Logic active HI no external resistor required Input Active 17 5 Vdc Maximum Current 15 mA Input Protection diode protected to 45 Vdc maximum 75 Ω Logic active Floating Input Active No connection Maximu...

Страница 7: ...VOL DEC Logic active LO no external pull up required Input Active 3 Vdc Maximum Current 10 mA Input Protection diode protected to 45 Vdc maximum VOX Level Discrete Input VOX INC VOX DEC Quantity 2 VOX INC Logic active LO no external pull up required Input Active 3 Vdc Maximum Current 10 mA Input Protection diode protected to 45 Vdc maximum VOX DEC Logic active LO no external pull up required Input...

Страница 8: ...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 ...

Страница 9: ...n Section 2 of this manual Temperature 40 to 70 C Operating 45 and 85 C Short Time Operating 55 to 85 C Ground survival Altitude 50 000 feet max Humidity 95 non condensing Shock Operational Shock 6 g for 11 ms Crash Safety impulse 20 g for 11 ms Crash Safety sustained 20 g for 3 s Vibration RTCA DO 160E category SBM U2FF1 1 4 4 Product Approval Refer to section 2 4 2 Cautions Installation Limitati...

Страница 10: ...d from Northern Airborne Technology Ltd or its designated warranty repair center or any labour to remove or re install the defective unit in the aircraft Contact Northern Airborne Technology Ltd for any questions regarding this warranty its applicability to your units and or for return authorization Northern Airborne Technology Ltd is the final arbitrator concerning warranty administration Units w...

Страница 11: ...ms may result from not following these guidelines Failure to follow the installation and wiring instructions provided in this manual for power and ground connections including the rating of the circuit breaker may lead to damage in the power input circuitry of the unit CAUTION Installation Limitations 1 Approval Settings The PIA01 has only been tested to demonstrate compliance with the requirement...

Страница 12: ...ing in Section 2 7 for shield termination details Note that the hood is a clamshell hood and is installed after the wiring is complete Maintain wire segregation and route wiring in accordance with the original aircraft manufacturers Maintenance Instructions Unless otherwise noted all wiring shall be a minimum of 22 AWG except power and ground lines which shall be a minimum of 20 AWG Reference the ...

Страница 13: ...digital mode the PIA01 Headphone Impedance setting is controlled by data on the Digital ICS Tieline 2 4 4 1 4 Microphone Impedance Input MIC IMPEDANCE The PIA01 has one Microphone Impedance Input for selecting the microphone impedance setting for all users Three settings are available standard impedance with the input grounded alternate impedance with the input open circuit and low impedance with ...

Страница 14: ...e The music is muted to the headphones whenever a user is talking on the intercom 2 4 4 2 4 ICS Tieline The PIA01 can support ICS communications with an external device on either an analog or a digital tieline but not both 2 4 4 2 4 1 ICS Mode The PIA01 operates in either Digital mode or Analog mode depending on the availability of ICS Tieline signals On power up the PIA01 will default to analog m...

Страница 15: ...d h Check pin 27 for ground less than 0 5Ω when music level LO is selected 2 4 5 2 Power On Checks WARNING High volume settings can cause hearing damage Set the headset volume control to the minimum setting prior to conducting tests and slowly increase the volume to a comfortable listening level Power up the aircraft s systems and verify normal operation of all functions of the PIA01 Upon satisfac...

Страница 16: ...ion Part No 1 Connector D Sub Socket Crimp 50 pin Housing 20 21 R50 50 Contact Crimp Socket 20 26 901 1 Hood D Sub Metal 20 28 003 1 Shield Termination Tag Ring 20 30 416 2 7 Installation Drawings DOCUMENT REV DESCRIPTION TYPE PIA01 001 PIA01 001 403 0 1 00 Passenger Intercom Amplifier Interconnect 3 sheets PIA01 001 405 0 1 00 Passenger Intercom Amplifier Connector Map PIA01 001 521 0 1 00 Passen...

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Страница 21: ...d Survival Low Temperature Short Time Operating Low Temp Operating Low Temperature Ground Survival High Temperature Short Time Operating High Temp Operating High Temperature In flight Loss of Cooling 4 5 1 4 5 1 4 5 2 4 5 3 4 5 3 4 5 4 4 5 5 55 C 45 C 40 C 85 C 70 C 70 C N A No forced air cooling Altitude Decompression Overpressure 4 6 1 4 6 2 4 6 3 50 000 ft 15 240 m 8 000 ft to 50 000 ft 2 438 m...

Страница 22: ... Effect 15 0 Category Z Power input 16 0 Category Z The system was tested to DO 160E subparagraph 16 6 1 3 b requirement for equipment with digital circuits The system was tested to DO 160E subparagraph 16 6 1 1 b 3 Emergency Operating Voltage conditions The system was tested to DO 160E subparagraph 16 6 2 2 Low Voltage Conditions Voltage Spike 17 0 Category A Audio Frequency Susceptibility 18 0 C...

Страница 23: ...ischarge 25 0 Category X no test performed Fire Flammability 26 0 Category X no test performed Other Tests REMARKS DO 160E Sections 4 to 8 and 15 to 17 tests were conducted at Northern Airborne Technology Ltd NAT in Kelowna BC on PIA01 001 DO 160E Sections 18 to 22 tests were conducted at CKC Laboratories in Bothell WA on PIA01 001 Testing was performed between Oct 6th and Nov 26th 2009 End of Env...

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Страница 25: ...001 Passenger Intercom Amplifier PIA01 3 2 General Information The PIA01 is a remote mounted Passenger Intercom Amplifier that supports up to twelve passengers together on one intercom system six headset connections on the PIA01 each supporting two headsets in parallel if desired Expansion capabilities are provided through either an analog or digital ICS Tie Line connection Only one of these ICS T...

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