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G3X Installation Manual – Installation Overview Page 1-7
190-01115-01 Revision A
1.7.2 Cable Location Considerations
Use cable meeting the applicable aviation regulation for the interconnect wiring. Any cable meeting
specifications is acceptable for the installation. When routing cables, observe the following precautions:
• All cable routing should be kept as short and as direct as possible.
• Check that there is ample space for the cabling and mating connectors.
• Avoid sharp bends in cabling.
• Avoid routing near aircraft control cables.
• Avoid routing cables near power sources (e.g., 400 Hz generators, trim motors, etc.) or near
power for fluorescent lighting.
• Route the GPS antenna cable as far as possible away from all COM transceivers and antenna
cables.
1.7.3 Cable Installation
1. Route the coaxial cable to the unit location. Secure the cable in accordance with good aviation
practices.
2. Trim the coaxial cable to the desired length and install the BNC connector (330-00087-00) per
the cabling instructions on Figure 1-2. If the connector is provided by the installer, follow the
connector manufacturer’s instructions for cable preparation.
Figure 1-2. Coaxial Cable Installation
3. Contacts for the 50, 62, and 78 pin connectors must be crimped onto the individual wires of
the aircraft wiring harness. Table 1-7 lists contact part numbers (for reference) and
recommended crimp tools.