Garmin GDL 50, GDL 52, GDL 52R, GDL 50R, GDL 51R Installation manual
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GDL 50(R)/51(R)/52(R)
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Installation Manual
190-02087-10 August, 2018 Revision 2
© 2018
Garmin Ltd. or its subsidiaries
All Rights Reserved
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1200 E. 151st Street
Olathe, KS 66062 USA
Aviation Panel-Mount Technical Support Line (Toll Free) 1.888.606.5482
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Garmin aviation support and warranty information can be found at www.flygarmin.com.
RECORD OF REVISIONS
Revision
1 08/04/17 Initial Release
2 08/15/18 Added GDL 50(R) info
Revision
Date
Description
190-02087-10 GDL 50(R)/51(R)/52(R) Installation Manual
Rev. 2 Page A
CURRENT REVISION DESCRIPTION
Revision
2
Page
Number(s)
ii Front Added GDL 50/50R references to note
iv Front Added symbols for Australian and Canadian compliance
1-1–1-5 1 Added GDL 50/50R info and updated throughout Section 1
2-1–2-3,
2-8, 2-9
3-1,
3-3–3-6
4-1–4-4 4 Added GDL 50/50R info and updated throughout Section 4
A-1–A-7 A Updated to include GDL 50/50R units and current drawings
B-1–B-3 B Updated to include GDL 50/50R units
Section
Number
2 Added GDL 50/50R info and updated throughout Section 2
3 Added GDL 50/50R info and updated throughout Section 3
Description of Change
INFORMATION SUBJECT TO EXPORT CONTROL LAWS
This document may contain information which is subject to the Export Administration Regulations
(“EAR”) issued by the United States Department of Commerce (15 CFR, Chapter VII Subchapter C) and
which may not be exported, released or disclosed to foreign nationals inside or outside the United States
without first obtaining an export license. The preceding statement is required to be included on any and all
reproductions in whole or in part of this manual.
190-02087-10 GDL 50(R)/51(R)/52(R) Installation Manual
Rev. 2 Page i
DEFINITIONS OF WARNINGS, CAUTIONS, AND NOTES
WARNING
NOTE
NOTE
This product, its packaging, and its components contain chemicals known to the State of
California to cause cancer, birth defects, or reproductive harm. This notice is being
provided in accordance with California's Proposition 65. If you have any questions or
would like additional information, please refer to our web site at
www.garmin.com/prop65.
References to GDL 5X in this installation manual refer to the Garmin GDL 50, GDL 51
and GDL 52 unless specifically noted otherwise. References to GDL 5XR in this
installation manual refer to the Garmin GDL 50R, GDL 51R and GDL 52R unless
specifically noted otherwise.
The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG,
Inc. and any use of such marks by Garmin is under license. iPad®, iPhone®, iPod®, and
iPod touch are trademarks of Apple Inc., registered in the USA and other countries.
Android™ is a trademark of Google Inc. Sirius, XM, SiriusXM, and all related marks and
logos are trademarks of Sirius XM Radio Inc. All other marks, channel names, and logos
are the property of their respective owners. All rights reserved.
190-02087-10 GDL 50(R)/51(R)/52(R) Installation Manual
Rev. 2 Page ii
SOFTWARE LICENSE AGREEMENT
BY USING THE DEVICE, COMPONENT OR SYSTEM MANUFACTURED OR SOLD BY GARMIN
(“THE GARMIN PRODUCT”), YOU AGREE TO BE BOUND BY THE TERMS AND CONDITIONS
OF THE FOLLOWING SOFTWARE LICENSE AGREEMENT. PLEASE READ THIS AGREEMENT
CAREFULLY. Garmin Ltd. and its subsidiaries (“Garmin”) grants you a limited license to use the
software embedded in the Garmin Product (the “Software”) in binary executable form in the normal
operation of the Garmin Product. Title, ownership rights, and intellectual property rights in and to the
Software remain with Garmin and/or its third-party providers. You acknowledge that the Software is the
property of Garmin and/or its third-party providers and is protected under the United States of America
copyright laws and international copyright treaties. You further acknowledge that the structure,
organization, and code of the Software are valuable trade secrets of Garmin and/or its third-party providers
and that the Software in source code form remains a valuable trade secret of Garmin and/or its third-party
providers. You agree not to reproduce, decompile, disassemble, modify, reverse assemble, reverse
engineer, or reduce to human readable form the Software or any part thereof or create any derivative works
based on the Software. You agree not to export or re-export the Software to any country in violation of the
export control laws of the United States of America.
190-02087-10 GDL 50(R)/51(R)/52(R) Installation Manual
Rev. 2 Page iii
1. FCC Compliance
FCC ID: IPH-02895
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:
(1) this device may not cause harmful interference, and (2) this device must accept any interference
received, including interference that may cause undesired operation.
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant
to part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful
interference in a residential installation. This equipment generates, uses, and can radiate radio frequency
energy and may cause harmful interference to radio communications if not installed and used in
accordance with the instructions. However, there is no guarantee that interference will not occur in a
particular installation. If this equipment does cause harmful interference to radio or television reception,
which can be determined by turning the equipment off and on, the user is encouraged to try to correct the
interference by one of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and the receiver.
• Connect the equipment into an outlet that is on a different circuit from the unit.
• Consult the dealer or an experienced radio/TV technician for help.
2. IC
IC: 1792A-02895
Innovation, Science and Economic Development Canada Compliance
This device complies with Innovation, Science and Economic Development Canada license-exempt RSS
standard(s). Operation is subject to the following two conditions: (1) this device may not cause
interference, and (2) this device must accept any interference, including interference that may cause
undesired operation of the device.
Innovation, Sciences et Développment économique Canada - Conformité
Cet appareil est conforme aux normes RSS sans licence du ministére Innovation, Sciences et
Développement économique Canada. Son fonctionnement est soumis aux deux conditions suivantes : (1)
ce périphérique ne doit pas causer d’interférences et (2) doit accepter toute interférence, y compris les
interférences pouvant entraîner un fonctionnement indésirable de l’appareil.
M/N: A02895
190-02087-10 GDL 50(R)/51(R)/52(R) Installation Manual
Rev. 2 Page iv
TABLE OF CONTENTS
PARAGRAPH PAGE
Section 1 General Description ...........................................................................1-1
1.1 Introduction...................................................................................................................... 1-1
1.2 Equipment Description .................................................................................................... 1-1
1.3 Technical Specifications .................................................................................................. 1-3
1.4 Reference Documents ...................................................................................................... 1-5
Section 2 Installation Overview.........................................................................2-1
2.1 Introduction...................................................................................................................... 2-1
2.2 Installation Materials ....................................................................................................... 2-1
2.3 Available Accessories...................................................................................................... 2-1
2.4 Installation Considerations .............................................................................................. 2-3
2.5 GDL 5X/5XR Installation Guidance for Best Wireless Performance ............................. 2-4
2.6 Cabling and Wiring..........................................................................................................2-5
2.7 Cooling Air ...................................................................................................................... 2-6
2.8 Configuration, and Adjustment Options.......................................................................... 2-6
2.9 Front Panel....................................................................................................................... 2-7
2.10 Updating Software ......................................................................................................... 2-8
2.11 Noise .............................................................................................................................. 2-9
2.12 Mounting Requirements ................................................................................................ 2-9
Section 3 Installation Procedure........................................................................3-1
3.1 Unpacking Unit................................................................................................................ 3-1
3.2 Wiring Harness Installation ............................................................................................. 3-1
3.3 Backshell Assembly......................................................................................................... 3-2
3.4 Coax Cable Installation.................................................................................................... 3-2
3.5 Equipment Mounting ....................................................................................................... 3-2
3.6 Continued Airworthiness ................................................................................................. 3-2
3.7 Antenna Installation......................................................................................................... 3-3
3.8 Non-Garmin Antennas..................................................................................................... 3-4
3.9 Garmin Antennas .............................................................................................................3-5
3.10 Post Installation Checkout ............................................................................................. 3-6
Section 4 System Interconnects .........................................................................4-1
4.1 Pin Function List.............................................................................................................. 4-1
Appendix A Outline and Installation Drawings .............................................A-1
Appendix B Interconnect Drawings................................................................. B-1
190-02087-10 GDL 50(R)/51(R)/52(R) Installation Manual
Rev. 2 Page v
1 GENERAL DESCRIPTION
NOTE
1.1 Introduction
This manual provides installation guidance, but does not provide any approval, which may be required in
some cases, to install these devices in an aircraft. This manual is not a substitute for an approved airframespecific maintenance manual, installation design drawing, or complete installation data package.
Attempting to install equipment by reference to this manual alone and without first planning or designing
an installation specific to your aircraft may compromise your safety and is not recommended. The content
of this manual assumes use by competent and qualified avionics engineering personnel and/or avionics
installation specialists using standard aviation maintenance practices in accordance with Title 14 of the
Code of Federal Regulations and other relevant accepted practices. This manual is not intended for use by
individuals who do not possess the competencies and abilities set forth above.
Garmin recommends installation of the GDL 5X/5XR by a Garmin-authorized installer.
To the extent allowable by law, Garmin will not be liable for damages resulting from
improper or negligent installation of the GDL 5X/5XR. For questions, please contact
Garmin Product Support at 1-888-606-5482.
1.2 Equipment Description
The Garmin GDL 50/50R/51/51R/52/52R products are not TSO-certified products and have received no
FAA approval or endorsement. These products can provide the following data: GPS, SiriusXM weather/
audio, ADS-B traffic and weather, attitude and pressure to compatible displays and audio devices via
Bluetooth® wireless technology and/or over wired connections.
The GDL 52/52R data link products include internal WAAS-enabled GPS, dual-band ADS-B & SiriusXM
receivers, and attitude & pressure sensors. The GDL 51/51R product provide the same functionality except
for the dual band ADS-B receiver. The GDL 50/50R products provide the same functionality except for the
SiriusXM receiver.
The GDL 5X provide these functions in a portable form factor that includes applicable internal
GPS/SXM/ADS-B antennas, and an internal battery. The GDL 5XR products are remote mount versions
that require external antennas and power connections. No battery is provided in the remote mount
versions.
The GDL 50/50R/52/52R receives Traffic (ADS-B/ADS-R and TIS-B) on both Universal Access
Transceiver (UAT) and 1090 ES (Extended Squitter) frequency bands. When in range of a ground station,
these units will receive FIS-B weather over the UAT link.
The GDL 5X/5XR products provide this information to Garmin® units like the aera 660/795/796, G3X
Touch displays and devices running Garmin Pilot™. These products will request this information over a
Connext® data connection. Please see additional information in the pilot's guide for your display.
190-02087-10 GDL 50(R)/51(R)/52(R) Installation Manual
Rev. 2 Page 1-1
1.2.1 Features Summary
• Internal SXM antenna (51/52 only)
• Internal GPS antenna (5X only)
• Internal ADS-B antenna (50/52 only)
• External SXM antenna port (51/51R/52/52R only)
• External GPS antenna port
• External ADS-B antenna port (50/50R/52/52R only)
• 3.5 mm audio jack (audio out only) (51/52 only)
• 2 RS-232 ports
• Wired audio out (51R/52R only)
• Micro-USB port for charging, power, and SW updates (GDL 5X only)
• Supports Bluetooth Connections to 2 displays + 1 audio device
• Attitude Sensor
• Pressure Sensor
1.2.2 Compatible Displays
The following Garmin devices are compatible with the GDL 5X/5XR units.
• aera 660
• aera 795/796
• G3X Touch Displays (GDU 4XX)
• Garmin Pilot App
1.2.3 Compatible Audio Devices
Although not an exhaustive list, the following Garmin audio panels are compatible with the GDL 5X/5XR
units.
•GMA 245
•GMA 345
• GMA 350c
Additionally, aviation headsets that support the Bluetooth A2DP Profile (audio streaming) should be
compatible with the GDL 5X/5XR products. See the applicable pilot’s guide and headset manual for
additional information.
190-02087-10 GDL 50(R)/51(R)/52(R) Installation Manual
Rev. 2 Page 1-2
1.3 Technical Specifications
1.3.1 Physical Characteristics
Table 1-1 GDL 5X Physical Characteristics
Characteristic Specification
Height (GDL 51) 1.30 inches (33.0 mm)
Height, Antenna Down (GDL 50/52) 1.50 inches (38.1 mm)
Height, Antenna Up (GDL 50/52) 3.37 inches (85.6 mm)
Width 4.90 inches (124.4 mm)
Depth 3.40 inches (86.4 mm)
Weight, GDL 5X 0.75 lbs (0.34 kg)
Height w/Mounting Bracket 1.51 inches (38.3 mm)
Width w/Mounting Bracket 5.26 inches (133.6 mm)
Depth w/Mounting Bracket 3.52 inches (89.5 mm)
Weight w/Mounting Bracket 0.81 lbs (0.37 kg)
Height w/Mounting Bracket and Non-Slip Pad 1.65 inches (41.9 mm)
Width w/Mounting Bracket and Non-Slip Pad 7.50 inches (190.5 mm)
Depth w/Mounting Bracket and Non-Slip Pad 5.50 inches (139.7 mm)
Weight w/Mounting Bracket and Non-Slip Pad 1.06 lbs (0.48 kg)
Table 1-2 GDL 5XR Physical Characteristics
Characteristic Specification
Height 1.60 inches (40.6 mm)
Width 6.10 inches (154.9 mm)
Depth 5.00 inches (127.0 mm)
Depth w/Connector 6.46 inches (164.2 mm)
Weight, GDL 50R 0.77 lbs (0.35 kg)
Weight, GDL 51R 0.78 lbs (0.35 kg)
Weight, GDL 52R 0.83 lbs (0.38 kg)
190-02087-10 GDL 50(R)/51(R)/52(R) Installation Manual
Rev. 2 Page 1-3
1.3.2 General Specifications
Table 1-3. General Specifications
Characteristic Specification
Operating Voltage 14/28 VDC refer to Table 1-4 for detailed power requirements
-20°C to +60°C (operation)
Temperature Range
Maximum Altitude 55,000 ft
Headphone Output
Bluetooth Connectivity
-20°C to +30°C (storage)
-20°C to +50°C (short term storage)
0°C to +40°C (battery charging range)
Output amplifiers: 1 Stereo 3.5mm output for lineout/consumer audio
Power, Load, and Distortion: 20 mW into a 16 Ω Load with < 1.0% THD
Typical Operating Distortion: <1% THD+N
3dB Frequency Response Bandwidth: 20 Hz to 20 kHz for Music
Typical Output Voltage @ 100% Output: 1.0 VRMS into a 600 Ω load
Bluetooth 3.00 Compliant, allows music and connections to Connext
capable displays. Bluetooth supports SPP and A2DP.
The GDL stores 14 paired devices and overwrites the least recently
connected device when a new device is paired. Only 1 Bluetooth audio
connection is allowed at one time.
USB Port (GDL 5X only)
The Micro-USB port is rated for 10W of input power (only in charging
mode). Max input current is 2A. USB 2.0 compatible and mass storage
mode available.
190-02087-10 GDL 50(R)/51(R)/52(R) Installation Manual
Rev. 2 Page 1-4
1.3.3 Power Requirements
Table 1-4 lists the power requirements for the GDL 5X/5XR units. Aircraft power input voltage range is
10-32 VDC. The GDL 5X/5XR will operate down to emergency voltage (9V). USB input voltage range is
5V +/- 0.25V.
Table 1-4. Power Specifications
Unit
GDL 50
GDL 50R
GDL 51
GDL 51R
GDL 52
GDL 52R
Aircraft
Power - Unit
On, Not
Charging
0.17A @14V 0.35A @ 14V 0.82A @ 14V
0.09A @ 28V 0.18A @ 28V 0.40A @ 28V
0.17A @14V
0.09A @ 28V
0.17A @14V 0.35A @ 14V 0.82A @ 14V
0.09A @ 28V 0.18A @ 28V 0.40A @ 28V
0.16A @ 14V
0.09A @ 28V
0.27A @ 14V 0.50A @ 14V 0.84A @ 14V
0.14A @ 28V 0.24A @ 28V 0.41A @ 28V
0.30A @ 14V
0.15A @ 28V
Aircraft
Power -
Unit On,
Charging
1.4 Reference Documents
Aircraft
Power - Unit
Off, Charg-
USB Power
- Unit On
ing
0.4 A @ 5V 0.92A @ 5V 2.0A @ 5V
NA NA NA NA NA
0.4 A @ 5V 0.92A @ 5V 2.0A @ 5V
NA NA NA NA NA
0.67A @ 5V 1.24A @ 5V 2.0A @ 5V
NA NA NA NA NA
USB Power
- Unit On,
Charging
USB Power
- Unit Off,
Charging
The following publications are sources of additional information for installing the GDL 5X/5XR. Before
installing the unit, the technician should read all relevant referenced materials along with this manual.
Table 1-5 GDL 5X/5XR Reference Documents
Document P/N
G3X/G3X Touch Installation Manual 190-01115-01
aera 795/796 Pilot's Guide 190-01194-00
Garmin Pilot User’s Guide 190-01501-00
User’s Guide, Garmin Pilot for Android 190-01532-00
G3X Touch Pilot’s Guide 190-01754-00
aera 660 Pilot's Guide 190-02017-20
GDL 50/51/52 User’s Guide 190-02087-02
190-02087-10 GDL 50(R)/51(R)/52(R) Installation Manual
Rev. 2 Page 1-5
2 INSTALLATION OVERVIEW
2.1 Introduction
This section provides the necessary information for the installation and checkout of the GDL 5X/5XR.
Installation of the GDL 5X/5XR will differ according to equipment location and other factors. The
appendices contain interconnect wiring diagrams, mounting dimensions, and information pertaining to
installation.
Careful planning and consideration of the suggestions in this section are required to achieve the desired
performance and reliability from the GDL 5X/5XR. The guidance of FAA advisory circulars AC 43.13-1B
and AC 43.13-2B, where applicable, may be found useful for making retro-fit installations that comply
with FAA regulations.
2.2 Installation Materials
2.2.1 Unit Configurations
The GDL 5X/5XR can be identified by the part numbers listed in Table 2-1.
Table 2-1 GDL 5X/5XR Available Configurations
Model Part Number Notes
GDL 50 010-01561-00 GDL 50, Unit Only (011-03910-00)
GDL 50R 010-01561-10 GDL 50R, Unit Only (011-03910-10)
GDL 51 010-01561-40 GDL 51, Unit Only (011-03910-40)
GDL 51R 010-01561-50 GDL 51R Unit Only (011-03910-50)
GDL 52 010-01561-20 GDL 52 Unit Only (011-03910-20)
GDL 52R 010-01561-30 GDL 52R Unit Only (011-03910-30)
2.3 Available Accessories
2.3.1 Standard Accessories
Each of the following accessories are provided with the GDL 5X units. No accessories are provided with
the GDL 5XR units.
Table 2-2 GDL 5X Accessories
Item Garmin P/N Qty
Mounting Bracket 145-02489-00 1
Suction Cup w/Cable Slot 253-00503-00 1
Vehicle Power Adapter 5V 2.0A, Micro-USB 320-00239-53 1
Cable Assy, Micro B to A Style USB, Mass Storage, 0.5m 320-00559-00 1
190-02087-10 GDL 50(R)/51(R)/52(R) Installation Manual
Rev. 2 Page 2-1
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