This is a genuine Polycom power supply designed for Polycom VVX series of IP phones. The Polycom 48V power has multiple part numbers and is designed to provide power when a power over Ethernet switch is not available.
Polycom VVX Power Features:
- Input: 100-240VAC 50/60Hz
- Output: 48V 0.31A
- DC Power
(1) Polycom VVX Series Power Supply 48V