Jupiter Avionics JA74-001 User manual

Rev
B Page i
JA74-001
Dual USB Charging Port
Installation and Operating Manual
Rev A
Jupiter Avionics Corporation
1959 Kirschner Road
Kelowna BC
Canada V1Y 4N7
Tel: [phone]
Toll-Free: 1 855 478 2232
www.jupiteravionics.com

JA74-001 Dual USB Charging Port
Installation and Operating Manual
Rev A Page ii
Copyright 2016 Jupiter Avionics Corp.
All rights reserved
Jupiter Avionics Corporation (JAC) permits a single copy of this manual to be printed or downloaded for the express use
of an installing agency. Any such electronic or printed copy of this manual must contain the complete text of this copyright
notice. Any unauthorized commercial distribution of this manual is strictly prohibited. Except as described above, no part
of this manual may be reproduced, copied, transmitted, disseminated, downloaded, or stored in any storage medium for
any purpose without the express prior written consent of JAC.
RECORD OF REVISIONS
Revision
Rev Date Description
ECR
A
May 2016 Initial release, Serial number 1001 and higher.
2459
Prepared:
MPB
Checked:
Approved:
IMPORTANT:
Information in this document is subject to change without notice.
To confirm the current revision status of this manual, visit the JAC website:
www.jupiteravionics.com
JAC
AH
05-09-16 JAC
KDV
05-09-16

JA74-001 Dual USB Charging Port
Installation and Operating Manual
Rev A Page iii
Table of Contents
SECTION 1 - DESCRIPTION ................................................................................................................................................. 1
1.1 System Overview .................................................................................................................................................... 1
1.2 Features Overview .................................................................................................................................................. 1
1.3 Inputs and Outputs .................................................................................................................................................. 1
1.3.1 Inputs ............................................................................................................................................................... 1
1.3.2 Bi-Directional Ports .......................................................................................................................................... 1
1.3.3 Output .............................................................................................................................................................. 1
1.4 Specifications .......................................................................................................................................................... 1
1.4.1 Electrical Specifications................................................................................................................................... 1
1.4.2 Mechanical Specifications ............................................................................................................................... 2
1.4.3 Flammability of Materials ................................................................................................................................ 2
SECTION 2 – INSTALLATION ............................................................................................................................................... 3
2.1 Introduction .............................................................................................................................................................. 3
2.2 Continued Airworthiness ......................................................................................................................................... 3
2.3 Unpacking and Inspecting Equipment..................................................................................................................... 3
2.3.1 Warranty .............................................................................................................................................................. 3
2.4 Installation Procedures ............................................................................................................................................ 3
2.4.1 Installation Limitations ......................................................................................................................................... 3
2.4.2 Cabling and Wiring .............................................................................................................................................. 3
2.4.3 Mechanical Installation ........................................................................................................................................ 4
2.4.4 Post Installation Checks ...................................................................................................................................... 4
2.5 Installation Kit .......................................................................................................................................................... 4
2.5.1 Recommended Crimp tools ............................................................................................................................. 4
2.6 Installation Drawings ............................................................................................................................................... 4
SECTION 3 – OPERATION .................................................................................................................................................... 5
3.1 Introduction .............................................................................................................................................................. 5
3.2 Front Panel Connectors .......................................................................................................................................... 5
3.2.1 USB Power Output 5V/2.1A ............................................................................................................................ 5
3.2.2 Audio I/O ......................................................................................................................................................... 5
3.3 Compatibility ............................................................................................................................................................ 5
Appendix A - Installation Drawings ................................................................................................................................... A1
A1 Introduction ............................................................................................................................................................ A1
A2 Installation Drawings ............................................................................................................................................. A1
Appendix B - Installation Documents ............................................................................................................................... B1
B1 Airworthiness Approval ......................................................................................................................................... B2
B2 Instructions for Continued Airworthiness .............................................................................................................. B2

Rev A Page 1
JA74-001 Dual USB Charging Port
SECTION 1 - DESCRIPTION
1.1 System Overview
The JA74-001 Dual USB Charging Port allows the aircraft owner /operator to use an unused portion of the instrument
panel for charging portable devices such as cell phones.
The JA74-001 includes two USB 2.0 Type A receptacles with a power supply (5 Volt, up to 2.1 Amp per port).
1.2 Features Overview
The JA74-001 is painted in a baked-on flat black urethane finish to resist scratches and nicks during use.
1.3 Inputs and Outputs
Refer to the JA74-001 connector map for the mating connector designators and pin assignments for the
input and output signals.
1.3.1 Inputs
Name
Qty
Type
D+ and D-
4
Charge sense
POWER INPUT
1
+ 28 Vdc power
SPARE
1
Spare
1.3.2 Bi-Directional Ports
Name
Qty
Type
AUDIO LEFT, AUDIO RIGHT
2
Audio I/O connector, audio
RESERVED
1
Audio I/O connector, reserved
AUDIO LEFT, AUDIO RIGHT
2
Main connector, audio
RESERVED
1
Main connector, reserved
1.3.3 Output
Name
Qty
Type
+5VDC
2
USB power output
1.4 Specifications
1.4.1 Electrical Specifications
Power Input
Primary nominal voltage 28.0 Vdc
Maximum voltage 32.2 Vdc
Minimum voltage 22.0 Vdc
Emergency voltage 18.0 Vdc
Power Input - Off ≤ 14 Vdc
Overvoltage ≥ 42 Vdc for ≥ 5 min
Input current at 28 Vdc ≤ 1.5 A

JA74-001 Dual USB Charging Port
Installation and Operating Manual
Rev A Page 2
1.4.1.1 +5V Output Performance
Output rated current 2.10 A
Output rated voltage +5 Vdc ± 12 %
Output capable of ≥ 110 % of rated power for ≥ 2h
Regulation ≤ 12 %
Ripple ≤ 280 mVrms
Short circuit ≥ 1 min
Dielectric strength Not Applicable
1.4.2 Mechanical Specifications
Height 1.125 in (28.6 mm) max
Behind panel depth 5.46 in (138.6 mm) max
Faceplate width 5.75 in (146 mm) max
Behind panel width 5.00 in (127 mm) max
Weight 0.91 lbs. (0.41 kg) max
Material brushed aluminum with conversion
coating
Connectors (3): J1 Main One 9-pin D-Sub male, V5 locking
J2/3 USB Two USB Type A Female
Mounting 2 Dzus fasteners
Bonding ≤ 2.5 mΩ
Installation kit part number INST-JA74
1.4.3 Flammability of Materials
The JA74-001 complies with the requirements of RTCA/DO-160G Sec 26.3.3 "Flammability", through equivalent
flammability testing of materials and the Small Parts Exemption.

Rev A Page 3
JA74-001 Dual USB Charging Port
SECTION 2 – INSTALLATION
2.1 Introduction
This section contains unpacking and inspection procedures, installation information, and post-installation checks.
2.2 Continued Airworthiness
Maintenance of the JA74-001 is on condition only. Scheduled inspection and/or periodic maintenance of this unit are
not required.
2.3 Unpacking and Inspecting Equipment
Unpack the equipment carefully. Check for shipping damage and report any problems to the relevant carrier. Confirm
that the Authorized Release Certificate or Certificate of Conformance is included. Complete the on-line warranty card
from the Jupiter Avionics Corporation (JAC) website - www.jupiteravionics.com/warranty
2.3.1 Warranty
This product manufactured by JAC is warranted to be free of defects in workmanship or performance for 2 years from
the date of installation by an approved JAC dealer or agency. This warranty covers the cost of all materials and labour
to repair or replace the unit, but does not include the cost of transporting the defective unit to and from JAC or its
designated warranty repair centre, or of removing and replacing the defective unit in the aircraft. This warranty does
not cover failures due to abuse, misuse, accident, or unauthorized alteration or repairs.
THIS WARRANTY IS VOID IF THE PRODUCT IS NOT INSTALLED BY AN AUTHORIZED JAC DEALER. If the on-
line warranty card is not completed, the product will be warranted from the date of manufacture.
Contact JAC for return authorization, and for any questions regarding this warranty and how it applies to your unit(s).
JAC is the final arbiter concerning warranty issues.
2.4 Installation Procedures
CAUTION: The power input circuitry of the unit may be damaged if the installation does not conform to the
wiring instructions in this manual.
2.4.1 Installation Limitations
Those installing the JA74, on or in a specific type or class of aircraft, must determine that the aircraft installation
conditions meet standards. The JA74 may be installed only by following the applicable airworthiness requirements.
2.4.2 Cabling and Wiring
All wire shall be selected in accordance with the original aircraft manufacturer’s maintenance instructions, or AC43.13-
1B Change 1, Paragraphs 11-76 through 11-78. Unshielded wire types shall qualify to MIL-W-22759 as specified in
AC43.13-1B Change 1, Paragraphs 11-85, 11-86, and listed in Table 11-11. Follow the Connector Map in Appendix A
of this manual.
Note that this unit has a ‘clamshell’ hood that is installed after the wiring is complete.
Maintain wire segregation and route wiring in accordance with the original aircraft manufacturer’s maintenance
instructions.

JA74-001 Dual USB Charging Port
Installation and Operating Manual
Rev A Page 4
Unless otherwise noted, all wiring shall be a minimum of 20 AWG. Refer to the Interconnect drawing for additional
specifications.
2.4.3 Mechanical Installation
The JA74-001 can be mounted in any attitude and location with adequate space for the front panel and sufficient
clearance for the connector and wiring harness. It requires no direct cooling.
2.4.4 Post Installation Checks
2.4.4.1 Voltage/Resistance checks
Do not attach this unit until the following conditions are met:
a) Check P1 pin 1 for +28 Vdc relative to ground.
b) Check P1 pin 6 (power ground) for continuity to ground (less than 0.5 Ω).
c) Check P1 pin 7 (chassis ground) for continuity to ground (less than 0.5 Ω).
d) Check all pins for shorts to ground or adjacent pins.
2.4.4.2 Power on Checks
Power up the aircraft’s systems and confirm normal operation of all functions of the JA74. Refer to
Section 3 (Operation) for specific operational details.
When all performance checks are satisfied, complete the necessary regulatory documentation before releasing the
aircraft for service. Refer to Appendix B.
2.5 Installation Kit
The kit required to install this unit is not included with the unit.
The installation kit (Part # INST-JA74) consists of the following:
Quantity Description JAC Part #
1 D-Sub 9-pin connector, hood and 9 crimp pins CON-3420-0009
1 JA74 Assembly Notes, Installation Kit DOC-INST-JA74
2.5.1 Recommended Crimp tools
Standard D-Sub Crimp Tool Chart
Tool Type
Hand crimping tool
Positioner
Insertion/extractor tool
POSITRONIC
9507-0-0-0
9502-5-0-0
4711-2-0-0
DANIELS
AFM 8
K13-1
91067-2
MIL-SPEC
M22520/2-01
M22520/2-08
M81969/1-02
2.6 Installation Drawings
The drawings and documents required for Installation can be found in Appendix A of this manual.

Rev A Page 5
JA74-001 Dual USB Charging Port
SECTION 3 – OPERATION
3.1 Introduction
This section contains the operating instructions for the JA74-001.
The JA74-001 allows an unused portion of the instrument panel to be utilized for charging phones or other devices.
3.2 Front Panel Connectors
The JA74-001 has two front panel USB Power output connectors.
3.2.1 USB Power Output 5V/2.1A
The Power Outputs are two USB Type A connectors.
These connectors are provided to supply 5 Vdc up to 2.1 Amps each, for charging cell phones and similar devices.
Note: These ports are not designed to be used for data transfer.
3.2.2 Audio I/O
The Audio I/O jack provides a stereo audio input or output when the interconnect is wired to appropriate audio
equipment. It accepts a 3 pole 3.5mm stereo plug with a slim diameter connector housing.
3.3 Compatibility
CAUTION: Attempting to connect an incompatible plug or device could damage the JA74, the
attached device, or both.
If in doubt regarding compatibility of a specific item, contact Jupiter Avionics (www.jupiteravionics.com).
USB Power
Outputs
Audio
Input/ Output

Rev A Page A1
JA74-001 Dual USB Charging Port
Installation and Operating Manual
Appendix A - Installation Drawings
A1 Introduction
The drawings necessary for installation and troubleshooting of the JA74-001 Dual USB Charging Port are in this
Appendix, as listed below.
A2 Installation Drawings
DOCUMENT Rev
JA74-001 Connector Map A
JA74-001 Interconnect A
JA74-001 Mechanical Installation A

JUPITER AVIONICS TEMPLATE AUTOCAD PORTRAIT SIZEA REV B.DWT
TITLE
APPROVED
PREPARED
CHECKED
L00N3
NCAGE CODE PART NO. SHEET
DOC NO.
Dual USB Charging Port
P1, P2, P3 and P4 Connector Map
JA74-001 1/1
JA74-001 Connector Map Rev A.dwg
TAT
1 2 3 4 5
6 7 8 9
POWER INPUT SPARE AUDIO RIGHT HI AUDIO LEFT HI RESERVED
POWER GROUND CHASSIS GROUND AUDIO RIGHT LO AUDIO LEFT LO
P1
9 PIN FEMALE DMIN
MATING CONNECTOR
VIEW IS FROM REAR OF MATING CONNECTOR
P2 & P3
USB TYPE A MALE
MATING CONNECTOR
+5V D+ D-
4 3 2 1
View is from front of mating connector
P4
3 POLE OR 4 POLE MALE 3.5mm
MATING CONNECTOR
3rd Ring / PIN 4: RESERVED
1st Ring / PIN 2: AUDIO RIGHT HI
2nd Ring / PIN 3: AUDIO LO
TIP / PIN 1: AUDIO LEFT HI
View is from side of mating connector
Audio I/O Connector
USB Connector
GROUND
Main Connector
View is from side of mating connector
OR
JAC
DS
05-03-16
JAC
KDV
05-03-16