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Audio International, Inc.
3.4
Wiring Requirements
3.4.1 Introduction
The installing agency shall supply and fabricate all external cables
and mating connectors. The length and routing of external cables
should be carefully studied and planned before attempting
installation of the equipment. Allow adequate space for installation
of cable and connectors. Avoid sharp bends and placing cables
near aircraft control cables. Maintain a minimum clearance of three
(3) inches from any control cable.
combustible fluid or oxygen lines, maintain a separation of six (6)
inches between the lines.
3.4.2 Power Wires
The PA-9075-101-x can consume 13 Amps (maximum), which
should NOT be routed through one (1) 22 AWG wire.
International recommends that all five (5) power supply wires use
22
Circuit/chassis ground connection shall be bonded to an electrically
conductive chassis mounting point or frame ground with less than
0.01 Ω resistance using less than 50 Ω impedance cable.
3.4.3 Serial Digital Audio Wiring
All digital audio wire connections must be twisted shielded cable
with the shield properly grounded to the dedicated pin at the source
end to the dedicated pin at the load end. Twisted shielded cable
shall be 22 AWG (minimum) for digital audio signals and shall be in
accordance with NEMA WC 27500 or equivalent.
impedance must be 110 Ω +/- 10%.
Document # 540312, Rev IR, 07/2005
AWG
(minimum)
PA-9075-101-x Installation Manual
If wiring is run parallel to
in
accordance
with
Audio
MIL-W-22759.
Cable
Page 8 of 13
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