The APC PowerShield solution offers cable telephony, wireless local loop (WLL), and fibre 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 fibre 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. For VoDSL applications, the PowerShield provides local power to the Integrated Access Device (IAD), which is designed specifically for small and medium-sized businesses, as well as the small office/home office (SOHO). The IAD enables delivery of up to 8 telephone lines and continuous high-speed Internet or remote LAN access over a single SDSL or T1 interface.