The UBNT-POE-24-12W-GIGABIT features earth grounding/ESD protection, power LED
Ubiquiti PoE Adapters provide a variety of features to help protect your Ubiquiti PoE devices:
• Surge protection
• Clamping protection
• Maximum surge discharge
• Peak pulse current
• AC cable with earth ground
ESD attacks are the leading cause for device failures. You can effectively protect against ESD attacks using a grounded Ubiquiti PoE Adapter, TOUGHCableTM, and TOUGHCable Connectors.