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Page B-8 G3X Installation Manual – Appendix B
Revision A 190-01115-01
B.3.2 Shield Termination Technique – Method A.1 (Standard)
NOTE
For the following steps please refer to the drawings showing the installation of a
Jackscrew Backshell.
1. The appropriate number of Jackscrew Backshells will be included in the particular LRU
connector kit.
Figure B-6. Method A.1 for Shield Termination
Table B-6. Shielded Cable Preparations for Garmin Connectors
Backshell
Size
Number
of Pins
Std/HD
Float
Min
(inches)
Float
Max
(inches)
Ideal Float
(inches)
Window
Min
(inches)
Window
Max
(inches)
Ideal
Window
(inches)
1 9/15 1.25 2.25 1.75 2.75 5.25 4.25
2 15/26 1.5 2.5 2.0 3.0 5.5 4.5
3 25/44 1.5 2.5 2.0 3.0 5.5 4.5
4 37/62 1.5 2.5 2.0 3.0 5.5 4.5
5 50/78 1.5 2.5 2.0 3.0 5.5 4.5
2. At one end of a shielded cable (item 2) measure a distance between “Window Min” to “Window
Max” (Table B-6) and cut a window (max size 0.35”) in the jacket to expose the shield
(Figure B-6). Use caution when cutting the jacket to avoid damaging the individual braids of the
shield. When dealing with a densely populated connector with many cables, it may prove
beneficial to stagger the windows throughout the “Window Min” to “Window Max” range. If
staggering is not needed the “Ideal Window” length is recommended.
Suggested tools to accomplish the window cut:
• Coaxial Cable Stripper
• Thermal Stripper
• Sharp Razor Blade