Vision Specialties Power Adapter For Scientific Atlanta Cisco Webstar DPC2100R2 DPC2100 Cable Modem Power Supply Cord Cable PS Charger Mains PSU Adapter Voltage Output Range: AC 12V 1A Vision Specialties AC adapters are made with high quality materials. Safety features against short circuit, internal overheating, incorrect voltage, 100% compatibility with the original. UL Listed and FCC certified. Our manufactured products are tested to match or exceed OEM products.