Fluke networks 26200900 pro3000 analogue tone generator sounder fluke networks 26200900 p the fluke networks 26200900 pro3000 analogue tone generator sounder is your best choice for toning and tracing wire on non active networks and specifically for identifying individual pairs with smarttone reg technology p p the angled bed of nails clips allow easy access to individual wires and the rj 11 connector is ideal for use on telephone jacks when touching the wires together and momentari