TELETECH TX 916, Руководство оператора

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pg. 10
Exchange Connect
The OSCILLATOR tone generation is disconnected and the line is
connected through to Exchange using the Red leads. The White lead is
open circuit.
Customer Exchange
Short Circuit (With White Wire)
The OSCILLATOR tone generation is disconnected and the line is
looped. The White lead is shorted to the Blue leads and the Red leads
are open circuit. After disconnecting the PROBE leads from the line,
the loop resistance and ground continuity may be measured. This
termination is also used for a Three Wire RFL test, (refer to section
6.3.2 Three Wire Test).
Customer Exchange
Open Circuit
The OSCILLATOR tone generation is disconnected and the line is
isolated from the Exchange. After disconnecting the PROBE leads
from the line, insulation resistance, foreign battery voltage or TDR
open circuit tests can be performed.
Customer Exchange
Tone Mode (Pair Identify)
The OSCILLATOR is disconnected from the Exchange and a tone
signal is output on the Blue test leads. The White lead is open circuit.
The PROBE tip is used to detect the tone signal at the Far End (refer to
section 6.1 PAIR IDENTIFICATION).
Customer Exchange