
Features  | 
  | 
Power Over Ethernet  | Compatible with IEEE 802.3af  | 
Local power supply  | Required for networks that do not support  | 
  | Power Over Ethernet  | 
Voice Over IP (VoIP) | Compatible with VoIP. | 
Power forwarding | Power forwarding Port number 4 can be  | 
  | used with any standard networking device  | 
  | as well as to power a device such as a VoIP  | 
  | telephone on a network that uses IEEE  | 
  | 
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