a long pointed rod used as a weapon an implement with a shaft and barbed point used for catching fish pierce with a spear; "spear fish" thrust up like a spear; "The branch speared up into the air
The PowerDsine SPEAR is an internal sophisticated power control and monitoring circuit It is implemented on each of the power channel and activates power only when a Power over LAN Enabled Ethernet terminal is present The SPEAR prevents the injection of power to ordinary NICs or other devices, which do not expect to receive power over the Ethernet lines