ETSI - European Telecommunications Standards Institute
适用范围
The present document specifies the requirements for line powering of IP Terminals connected to 802.3 interfaces. The present document is applicable to IP terminals connected to public networks and to customer premises equipment providing interfaces for the connection of IP terminals. The present document deals with an existing specification for powering requirements of IP terminals (see IEEE P802.3af [i]). IP terminals could range from card readers@ line powered security cameras to IP telephone terminals. The provisioning of power from public networks for IP terminals is also specified.