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Identifying Tip and Ring
1. Switch the Tone Generator to the OFF position
2. Connect the RED test lead to one line and the BLACK lead to the other
line
3. The CONT LED indicates the status as below:
Green light : Red test lead at positive (+) polarity；Black test lead at
negative (-) polarity.
No light :
a.Red test lead at negative (-) polarity；Black test lead at positive (+)
polarity.
or
b. Exchange the red test lead and black test lead , if LED still not light
on, the phone line maybe no service or fault
Identifying Line
cannot be used in the digital telephone)
1. Switch the Tone Generator to the OFF position
2. Connect the RED lead to the TIP SIDE of the line and the BLACK lead to
the
RING side of the line.
3. The CONT LED will indicate the line condition as
follow :
Green color : Standby status.
Not bright or dim : Served line status.
Flashing : Incoming call ringing.
Verifying Lines:
in the digital telephone)
1. Switch the Tone Generator to OFF.
2. Connect the RED lead to the RING or TIP SIDE of the line and
the BLACK lead to the other side of the line.
3. Dial the phone number of the line to be verified.
4.
The 3 LEDs (TONE, LO BAT, and CONT)
FLICKERING when the test leads are connected to the
subject pair.
Testing Continuity - CONT Mode
(CAUTION: Do not connect the Tone Generator in the CONT
position to any wire or cable with an active DC circuit exceeding 48V)
1. Switch the Tone Generator to the CONT position. The CONT LED will
display RED.
Condition:
(only used for the analog phone lines,
(only used for the analog phone lines, cannot be used
will all be
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