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This is a Harris TS19 portable test telephone. It is used to test telephone lines. I bought this item in 2004 for $100 as slightly used, and never used it myself. It has the original mfgr's packaging and manuals. I lost the need to use it before it arrived so I never even opened the box until today when I decided to sell it. I make no warranty on this products functionality. The picture was taken from a website selling a new one. The one I have for sale is red instead of yellow but is in identical physical condition. No scratches or dings. OVERVIEW The TS19 Portable Test Telephone, 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 Portable Test Telephone provides both DTMF (Touch Tone) and dial pulse output. The TS19 also provides last number redial, dual monitor impedance, an electronic ringer (on/off), and field replaceable line cords and belt clips. This unit is equipped with the Angled Bed-of-Nails (ABN) cord set. This cord is similar to the standard cord (STD), except that each alligator clip is equipped with a “bed-of-nails†and an insulation piercing spike. SPECS Actual Weight 10.80 oz Compatibility Notes Electrical Loop limit: 2.4kOhm maximum at 48VDC (nominal 15mA minimum loop current)DC resistance (talk mode):150Ohm typical at 80mA currentAC impedance (monitor mode): Low impedance (ring position) 600Ohm at 1kHz typical; High impedance (Hi Z position) 100kOhm minimum at 1kHz Rotary Dial OutputPulsing rate: 10pps +0.5ppsPercent break: 60% ± 2%Interdigit interval: 800ms typicalLeakage during break: > 50kOhm DTMF OutputTone frequency error: ±1% maximumLevel per tone pair: +2dBm maximumHigh versus low tone difference: 4dB maximum Environmental Temperature: operating: -5 degrees C to +40 degrees C; storage: -40 degrees C to +66 degrees CDrop: 1 meter, 4 timesAltitude: to 3, 000 meters (10, 000 feet) maximumRelative humidity: 10% to 80% (non-condensing) Contents Unit, cord set, documentation
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