The APC PowerShield solution offers cable telephony, wireless local loop (WLL), and fiber to the home (FTTH) services a simple, cost effective local power supply unit for the customer premise equipment (CPE). In the cable industry's Hybrid Fiber Coax (HFC) networks, for instance, PowerShield offers the Multiple Service Operator (MSO) a local powering solution that has lower installation costs, lower operational costs, and lower service costs than competing powering technologies.