Get from Amazon.com : http://www.amazon.com/gp/product/B0001FSCQS?tag=hawaiianlegac-20<br /><br />Fluke Networks MT-8200-63A IntelliTone Pro200 Probe<br /><br />Detects IntelliTone digital signals on active networks and 500 to 1200Hz analog signals on inactive networks to locate trace and isolate copper cabling <br />Identifies detected signals audibly and with eight LEDs that light successively as the signal strength increases for prompt isolation of a single cable within a bundle <br />Sync LED shows battery strength at power-up and confirms reception of IntelliTone signals <br />Available with a cable map function for validating RJ11 and RJ45 connectors by testing continuity and finding wiring faults on all four pairs of UTP and STP twisted pair cabling <br />Turns off automatically after one hour of inactivity
