product description: NF-8209is a new generationto offer digital and analog signaling all in one network toner and probe.It has three modes for options to track cable like digital mode analog mode and PoE mode. That means its equipped with the most powerful cable location technologies for any work environment.Also it includes cable length measurement cable faults ing PoE ing hub blink and NCV function all these makes it a must-tool for cabling engineers. Product Operation 1. CONT-- open short crossect for STP UTP cable. 2. Length--measure length of lan cable range is 2.5m~200m. 3. Scan--Analog/Digital/ PoE mode to locate lan cables. 4. PoE-- available for standard or non-standard PoE switch (5~60V) identify AT or AF standard of PSE type. 5. Flash--locatenetwork port by the flashing port light on switch/ router. Certification:CE Origin:CN(Origin) Package:Yes Type:PoE Splitter Model Number:NF-8209 Port:PoE Port 1:RJ45 Port 2:Port Flash Types of1:Test Network Tool Types of2:Scan Cable Types of3:Wiremap Tester Types of4:poe tester Types of5:multimeter tester Types of6:motherboard tester