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910
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General
Loop a Line is an important
development providing the communications technician with an instrument
that cuts repair and installation costs!
The TX910 is an enhanced version of the TX915 with
two extra modes for use with a Resistive Fault Location Bridge and
Noise Meter. The extra modes can only be selected with compatible
instruments such as the Riser Bond RD6000.
Function
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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