The military occupation code 3D1X7 – Cable and Antenna Systems (includes 3D117, 3D157, 3D177) has the following basic knowledge, skills and abilities:
Provide command and control (C2) capabilities through installation, maintenance, fault isolation, and reconstitution of fixed cable and wireless distribution systems, local area networks (LAN), and wide area networks (WAN) in support of tactical and strategic operations. They monitor and analyze performance of underground, buried, and aerial cable and antenna networks. Operates and performs maintenance on tools, test equipment, auxiliary equipment, and vehicles such as backhoes, trenchers, cable trailers, cable reel trucks, and antenna construction vehicles. Locates, repairs, and replaces faulty closures in copper core, waveguide, coaxial, and fiber optic cable systems. Performs pneumatic troubleshooting to locate faulty splice closures and demivalve assemblies. Excavates and backfills splice pits. Seals cables, repairs demivalves, and adjusts pressure transmitters and contactors. Installs and maintains aerial cable support structures such as pole line and suspension strands. Installs underground cable, uses duct rods, cleans cable duct systems, prepares the pulling apparatus, and pulls in and temporarily bonds cable. Installs, maintains, and marks path of buried cable systems.
The following energy occupations align well to this MOS or NEC code:
- Apprentice Line Technician (49-1011, 49-9051)
- Broadband Technician (49-1011, 49-9051)
- Groundworker (49-1011, 49-9051)
- Lineworker (49-1011, 49-9051, 47-2111, 17-3023., 49-9025, 49-9023)
- Station Electrician (49-1011, 49-9051, 47-2111, 17-3023, 49-9025, 49-9023, 51-8013, 51-8099)
- Telecommunications Technician (49-1011, 49-9051)