| 释义 | 
		tap 1. A temporary physical connection to a metallic circuit. See also  bridged tap  and  circuit. 2. A wiretap, or secret temporary connection to a circuit for purposes of monitoring the information being transmitted across it. See also  wiretap. 3. In Power over Ethernet (PoE), a picker that acts as a splitter, picking off the 48V DC voltage, making it available to the PoE-compliant device at 5V, 6V, or 12V DC, for example.  See also  DC,  PoE,  splitter, and  voltage.   |