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Loop a Line consists of an OSCILLATOR or TONE SENDER and a SIGNALLING PROBE. Two sets of test leads complete the equipment. The service technician connects the Oscillator to the cable pair at the exchange MDF or street cabinet. The Oscillator starts in the 'TONE' mode allowing the technician to identify the pair at the Far End of the Line with the Probe. Several different Tones are selectable allowing multiple Oscillators to operate on the cable. After pair identification, the Probe leads may be connected to the pair and the Oscillator signalled by pressing 'OPEN' or 'SHORT' buttons, to allow foreign battery, insulation resistance, loop resistance and resistance balance checks as well as fault finding using a TDR or Resistance Bridge. After repair or installation, a final press of the 'CONNECT EXCHANGE' button restores the customer's service to provide dial or ring-back checks.
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Need to send your Teletech TX915 for calibration or repair assessment?
Our temperature and static controlled Calibration Laboratory and Repair Facilites are staffed by fully credentialed professionals who are meticulous in their attention to detail, operates in full compliance with strict NATA (National Association of Testing Authorities) standards of measurement and reporting (ISO/IEC 17025:2005).
TMG provides a uniquely single point to send all of your RF, AC, DC, Optical and Video related test equipment for careful checking.
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