Generic Compatible Replacement AC Adapter Charger For Netgear Westell 7550 AT&T DSL Modem Router Power Cord Charger World Wide Input Voltage 100-240VAC 50/60Hz OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection) Tested Units. In Great Working Condition. UpBright 30 days money back guarantee. 1 full year service warranty. UpBright [UL Listed] New 12V Global AC / DC Adapter For Netgear Westell 7550 AT&T DSL Modem Router 12VDC 12 Volts Power Supply Cord Cable PS Battery Charger Mains PSU