The Polycom VVX Power Supply you described is a useful alternative for powering your VVX 150/250/350/450 phones in situations where Power over Ethernet (PoE) is not available or not preferred.

Features:

• Powers VVX 150/250/350/450 phones: Compatible with a range of Polycom VVX desk phones.
• Alternative to PoE: Provides power through a standard AC power outlet, eliminating reliance on PoE infrastructure.

Benefits:

• Flexibility: Enables phone placement in areas without PoE availability, offering more installation options.
• Backup power: Can serve as a backup power source in case of PoE outages.
• Cost-effective: May be a more cost-effective option than installing PoE infrastructure in certain situations.