Product Description TS19 test set with ABN. From the Manufacturer Fluke Networks offers the most comprehensive line of telephone test sets to meet the voice and data demands of telecommunications technicians. The Fluke Networks 19800009 TS19 Test Set, often called a “butt-in,” is a self-contained, line-powered, portable handset used by installers, repair technicians, and other authorized personnel for line testing and temporary communications. The TS19 Telephone provides both DTMF (Touch Tone) and dial pulse output. The TS19 also has last number redial, dual monitor impedance, an electronic ringer (on/off), and field replaceable line cords and belt clips. The line cord features angled bed-of-nails clips which allow easy access to individual wires and the RJ11 connector is ideal for use on telephone jacks. The Fluke Networks 19800009 TS19 Test Set with ABN is covered by a limited warranty.