Polycom AC Adapter - 230 V AC Input Voltage - 48 V DC Output Voltage - 520 mA Output Current
Technical Specifications:
Device Supported: IP PhoneInput Voltage: 230 V ACOutput Voltage: 48 V DCMaximum Output Current: 520 mACompatibility:
Polycom VVX IP Phones: 301, 311, 401, 411, 501, 601