EN-650W-01-x Installation Manual
Document # 540246, Rev IR, 05/2002
Page 6 of 10
3.4 Wiring
Requirements
3.4.1 The installing agency shall supply and fabricate all external cables
and connectors. Length and routing of external cables should be
carefully planned before attempting installation of the equipment.
Allow adequate space for installation of cable and connectors.
3.4.2 Ensure that all signal wires are 22 AWG. All audio lines require
twisted, shielded cable with the cable shields grounded at the
source.
Twisted shielded cable shall
be in accordance with the
standard military specification of
MIL-DTL-27500
or equivalent.
3.4.3 All power and ground wires shall be 22 AWG, MINIMUM
,
shielded
twisted pair with the shield properly bonded at one end only. Power
ground wires shall be bonded to electrically conductive chassis
mounting point with <1
Ω
resistance or <50
Ω
impedance. Twisted
shielded pair cable shall be in accordance with the standard military
specification of
MIL-DTL-27500
or equivalent.
3.5 Physical
Characteristics
3.5.1 The speaker shall be located away from heat sources, magnetic
fields, direct sunlight, and areas with excessive dust. The unit shall
NOT
be mounted to the skin of the aircraft.
3.5.2 Refer to Section 6.0 for unit dimensions and mounting hole sizes.
3.5.3 The unit shall be rigidly mounted to its location using the
appropriate fastening hardware supplied by the installing agency.
3.5.4 When mounting the unit to the aircraft’s frame, allow sufficient
space for mating connectors.
3.5.5 Do not remove the speaker from the enclosure; the speaker is
sealed in place to provide optimum performance.
3.5.6 Do not restrict airflow in front of the enclosure.
3.6 Electrical
Characteristics
Electrical
Required Input Power
115 VAC @ 400 Hz
Maximum Power
300 VA
Output Power
200 W
RMS
Data Bus Type
AI’s proprietary RS-485
