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Garmin GDL 82 User Manual
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Connector Pinouts
190-01810-00
GDL 82 TSO Installation Manual
Rev. 5
Page 5-2
5.1 J821 Connector
Figure 5-1 J821 Connector
View Looking at Unit
Table 5-1 J821 Connector
PIN
PIN NAME
I/O
1
USB D-
In/Out
2
TIME MARK A
In
3
TIME MARK B
In
4
SQUAT SWITCH*
In
5
ANONYMOUS MODE*
In
6
USB D+
In/Out
7
GROUND
--
8
RS-232 TX1
Out
9
RS-232 RX1
In
10
FAULT ALERT
Out
11
USB V
In
12
RESERVED
--
13
RESERVED
--
14
GROUND
--
15
POWER
In
33
35
Table of Contents
Table of Contents
7
Default Chapter
3
Manual Layout
3
Table of Contents
7
1 TSO & System Information
11
Table 1-1 TSO Authorization
11
Table 1-2 Applicable P/Ns
11
Table 1-3 System Functions
11
Table 1-4 TSO Deviations
12
Table 1-5 FCC and IC Ids
12
Reference Documents
13
Table 1-6 Garmin Reference Documents
13
Table 1-7 Industry Reference Documents
13
System Limitations
14
2 System Specification and Functionality
15
System Functionality
15
Unit Specifications
16
Table 2-1 GDL 82 Physical Specifications
16
Table 2-2 GDL 82 Power Specifications
16
Table 2-3 GPS/SBAS Specifications
17
Table 2-4 978 Mhz UAT Specifications
17
Table 2-5 1030 Mhz Transmitter Specifications
18
Table 2-6 1090 Mhz Receiver Specifications
18
System Interface
19
Figure 2-1 System Interfaces
19
Table 2-7 GDL 82 Interface Summary
19
3 Installation Materials
20
GDL 82 Materials
21
Table 3-1 GDL Part Numbers
21
Table 3-2 Installation Materials Included in Standard Kit
21
Table 3-3 Socket Contact Part Numbers
21
Table 3-4 GA 35 Antenna Garmin P/N 013-002035-00
21
Optional Accessories
22
Materials Required but Not Supplied
22
Table 3-5 Optional Accessories
22
Special Tools
23
Table 3-6 Recommended Crimp Tools
23
4 Installation Planning and Considerations
24
Installation Requirements
24
Pre-Installation Transponder Check
25
Table 4-1 Pre-Installation Check
25
GDL 82 External Sensors and Devices
26
Antenna Requirements
27
Table 4-2 Acceptable L-Band Antennas
27
L-Band Antenna
27
Table 4-3 Acceptable GPS/SBAS Antennas
28
GPS Antenna
28
Antenna Considerations
29
Figure 4-1 L-Band Antenna Placement
29
L-Band
29
GPS (GDL 82 with GPS/SBAS Only)
30
Figure 4-2 Fixed Wing GPS Antenna Mounting Considerations
31
Figure 4-3 Rotorcraft GPS Antenna Mounting Considerations
31
Interference Considerations
32
5 Connector Pinouts
33
Figure 5-1 J821 Connector
34
J821 Connector
34
Table 5-1 J821 Connector
34
Functional Descriptions
35
Table 5-2 Power
35
Table 5-3 Antennas
35
Power and Antennas
35
Table 5-4 RS-232
36
Table 5-5 Discrete Inputs
36
Discrete Inputs
36
Table 5-6 Discrete Outputs
37
Table 5-7 Fault Alert Functions
37
Table 5-8 Time Mark Inputs
37
Discrete Output
37
Time Mark Inputs
37
6 Installation Procedures
38
Cabling and Wiring General Instructions
38
Figure 6-1 Shield Termination
39
Shielded Cable Preparation
39
Figure 6-2 Insulation to Pin/Socket Clearance
40
Instructions to Crimp Pins to Wires
40
Backshell Assembly
41
Figure 6-3 Jackscrew Backshell Assembly
42
Coaxial Cable Installation
43
Table 6-1 Coaxial Cable Specifications
43
Table 6-2 Typical Cable Connector Loss
44
Table 6-3 Acceptable GPS Db Loss
44
Unit Installation
44
Antenna Installation and Connections
45
Figure 6-4 GPS Antenna Ground Plane
45
GPS Antenna
45
GPS Antenna Doubler
46
7 System Configuration
47
Figure 7-1 USB-A and USB-B Connectors
48
Figure 7-2 GDL 8X Install Tool Selection Page
48
GDL 8X Install Tool
48
Figure 7-3 Tool Tip Example
49
Diagnostics
50
Figure 7-4 Unit Information Page
50
GDL 82 Unit Information Page
50
Figure 7-5 Discretes Page
51
Discretes Page
51
Figure 7-6 GPS Page
52
GPS Page
52
Figure 7-7 GPS Sat Status Page
53
GPS Sat Status Page
53
Figure 7-8 ADS-B Page
54
ADS-B Page
54
Figure 7-9 Faults Page
55
Figure 7-10 Assert Log Page
55
Faults Page
55
Assert Log Page
55
Configuration
56
Figure 7-11 System Page
56
Table 7-1 Emitter Categories
56
Aircraft
56
Table 7-2 Squat Switch Selections
57
Table 7-3 GPS Source
57
Transponder
57
Gps
57
ADS-B Selections
58
Figure 7-12 Upload Software Page
59
Software Loading Instructions
59
8 System Checkout
60
Default Chapter
61
Ground Checks
61
Gps
61
Interface Checks
62
Documentation Checks
63
Flight Manual Supplement
63
9 Mechanical Drawings
64
Figure 9-1 GDL 82 Dimensions and Center of Gravity
64
10 Interconnect Drawings
65
Figure 10-1 Typical Installation
66
4
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Garmin GDL 82 Specifications
General
Brand
Garmin
Model
GDL 82
Category
Transceiver
Language
English
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