Congratulations on your purchase of the Triplett CTX590A .This
tone generator and amplifier probe set is used to quickly trace and
identify cables or wires within a group and also check the operation
of phone and network lines. It includes a protection feature for high
voltage up to 220V.With proper use and care, this meter will
provide many years of reliable service.
Specifications
Power: 9V battery (tone generator and probe (1 each)
Tone output :1kHz, 6V square wave (approximately)
Dimensions: Probe:9x2.25x1(228x57x25.4mm),
1. Connect the tone generator to the cable
a) For cables terminated at one end, connect the red
alligator clip to a wire and the black alligator clip to
equipment ground
b) For unterminated cables, connect the red alligator clip
to one wire and the black alligator clip to another wire.
c) For cables with modular connectors, plug the RJ11 or
RJ45 connectors directly into the matching cable
connectors.
2. Set the tone generator power switch to the TONE position.
3. On the amplifier probe, press and hold the side on/off switch.
4. Hold the insulated probe tip against the wire in question to
pick up the signal generated by the tone generator.
5. Rotate the volume/sensitivity control on the top of the probe
for the appropriate level and sensitivity to identify and trace
the wire.
6. The tone will be the loudest on the wires connected to the
tone generator.
Note: A headphone jack is located on the bottom of the probe.
Note: RJ11 tests are performed on one pair only and RJ45 tests
are performed on pins 4 and 5.
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Identifying telephone cable Tip and Ring – Using Alligator Clips
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 LED color indicates the connection to the RED test lead
as:
GREEN = Ring side, RED = Tip side.
Identifying telephone cable Tip and Ring – Using the RJ-11 or
RJ-45 Connectors
1. Switch the tone generator to the OFF position
2. Connect the RJ-11or RJ-45 connector mating cable
connector.
3. The LED color indicates the condition of the telephone jack
wiring.
GREEN = Jack wired properly, RED = Jack wired with
reversed polarity.
Identifying telephone cable Line Condition
1. Switch the tone generator to the OFF position
2. Connect the red test lead to the RING side and the black test
lead to the TIP side.
3. The LED will indicate line condition by:
GREEN = CLEAR , OFF = BUSY, Flickering YELLOW =
RINGING
4. Switch the tone generator power switch to CONT to terminate
the call.
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Continuity testing
1. Connect the test leads to the wire pair under test.
2. Switch the tone generator to the CONT position.
3. The LED will glow bright GREEN for a low resistance or
continuity. The LED will glow less brightly as the resistance
increases and will extinguish at approximately 10,000ohms.
Tone selection
The output of the tone generator can be set to continuous or
wobble. To change the type of output, change the tone type
switch position (located in the battery compartment)
Battery replacement
Install a new battery by removing the battery cover as indicated
in the meter description diagram.
Warranty Information
Triplett / Jewell Instruments extends the following warranty to the original purchaser of these
goods for use. Triplett warrants to the original purchaser for use that the products sold b y it will
be free from defects in workmanship and material for a period of (1) one year from the date of
purchase.
This warranty does not apply to any of our products which have been repaired or altered by
unauthorized persons in any way or purchased from unauthorized distributors so as, in our
sole judgment, to injure their stability or reliability, or which have been subject to misuse,
abuse,
misapplication, negligence, accident or which have had the serial numbers altered, defaced, or
removed. Accessories, including batteries and fuses, are not covered by this warranty.
To register a claim under the provisions of this warranty, please contact the distributor from
which you purchased the product from for warranty consideration.