Installs, maintains, and services voice, video (CATV/IPTV) and broadband services (IP, PBX, UC), copper and fiber optic cable lines and protection devices (NID/ONT), subscriber loop carrier systems (DLC & DSLAMS), and customer-owned wiring, including home networking. May also diagnose and repair trouble in switching equipment, computers, transport equipment (TDM / Ethernet), wireless systems (PTP & PTMP), and emergency power sources (battery plants, standby generators, etc.)