Textron Greenlee 701K-G User manual

INSTRUCTION MANUAL
52047312 REV 3 © 2014 Greenlee Textron Inc. 6/14
77M-G, 77HP-G,
and 77HP-G/6A
Tone Generators
Read and understand this material before
operating or servicing this equipment.
Failure to understand how to safely operate
this tool could result in an accident causing
serious injury or death.
English ..........1
Français ......13
Español.........25
Deutsch........37
Italiano ........49
Português
do Brasil.....61
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SAFETY ALERT
SYMBOL
This symbol is used to call your attention to hazards or
unsafe practices which could result in an injury or property
damage. The signal word, defined below, indicates the
severity of the hazard. The message after the signal word
provides information for preventing or avoiding the hazard.
Immediate hazards which, if not avoided, WILL result in
severe injury or death.
Hazards which, if not avoided, COULD result in severe
injury or death.
Hazards or unsafe practices which, if not avoided, MAY
result in injury or property damage.
Do not discard this product or throw away!
All specifications are nominal and may change as design improvements
occur. Greenlee Textron Inc. shall not be liable for damages resulting from
misapplication or misuse of its products.
KEEP THIS MANUAL
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Electric shock hazard:
• Do not expose this unit to rain or moisture.
Contact with live circuits could result in
severe injury or death.
• Use this unit for the manufacturer’s intended
purpose only, as described in this manual.
Any other use can impair the protection
provided by the unit.
• Use test leads or accessories that are
appropriate for the application. Refer to the
category and voltage rating of the test lead
or accessory.
• Inspect the test leads or accessory before
use. The item(s) must be clean and dry, and
the insulation must be in good condition.
• Before opening the case, remove the test
leads from the circuit and shut off the unit.
Failure to observe these warnings could result
in severe injury or death.
Electric shock hazard:
• Do not attempt to repair this unit. It contains no user-
serviceable parts.
• Do not expose the unit to extreme temperatures or high
humidity. Refer to “Specifications.”
Failure to observe these precautions may result in injury and
can damage the instrument.
CAT O 100V MAX.
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Description
The 77M-G, 77HP-G, and 77HP-G/6A Tone Generators are
intended to identify the conductor within a bundle, at a cross-
connect point, or at the remote end. These testers are housed
in high impact plastic cases, and each is powered by one
9volt battery. Standard test leads include red and black rubber
insulated test clips and a snag-proof, four-conductor modular
cord and plug. (77HP-G/6A offers angled bed-of-nails clips.)
A three-position toggle switch controls the modes of operation,
and bi-colored Light Emitting Diodes (LEDs) display line polarity
for Lines 1 and 2 (Line 1 only for 77M-G). When a short circuit is
detected, an audible signal will be heard (77HP only). The tone
and short circuit test functions are only applied to Line 1 using
the modular plug.
A tone selector switch (Figure 3), located inside each unit and
accessible from the outside using a slender tool, may be used to
select a fast or slow warble tone output.
The test sets are compatible with all common Central Office
Switching Systems, and the output tone is isolated from DC
voltages.
1234
5
Figure 1. Features
Features include:
1. Battery compartment
2. Toggle switch
3. LEDs
4. Test leads
5. Modular cord
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Safety
Safety is essential in the use and maintenance of Greenlee tools
and equipment. This instruction manual and any markings on
the tool provide information for avoiding hazards and unsafe
practices related to the use of this tool. Observe all of the safety
information provided.
Purpose of this Manual
This instruction manual is intended to familiarize all personnel
with the safe operation and maintenance procedures for the
Greenlee 77M-G, 77HP-G, and 77HP-G/6A Tone Generators.
Keep this manual available to all personnel.
Operation
Electric shock hazard:
• When the tone generator is plugged into a modular jack,
potentially hazardous voltage from the telephone line is
present on the alligator test leads.
• Before opening the case, remove the test leads from the
circuit and shut off the unit.
Failure to observe this warning could result in injury and can
damage the instrument.
All of the following tests can be performed by using the red and
black test leads (as described) or the modular plug.
Note: When using the modular test plug, the polarity test
function applies to Lines 1 and 2 USOC (Line 1 only for 77M-G).
The continuity and tone functions only apply to Line 1.
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Identifying Tip and Ring (Polarity Test)
Telephone service must be present to perform this test.
In the OFF (4VOLTS) position, connect the black test lead to
ground and the red test lead to each side of the line to be tested.
• A green LED indicates correct polarity. [The red test lead is
connected to the ring (negative) side of the circuit.]
• A red LED indicates reversed polarity.
• A red and green flickering LED (appears yellow) indicates the
presence of AC, or a ringing line.
Note: If independent ground is not available, connect the test
leads across the pair. The LED will be green when the red test
lead is connected to the ring (negative) side of the circuit and the
black lead is connected to the tip (positive).
Indicating Line Condition
Telephone service must be present to perform this test.
In the OFF (4VOLTS) position, connect the red test lead to the
ring side of the circuit and the black lead to the tip.
• A bright green LED indicates a clear working line with correct
polarity.
• A bright red LED indicates a clear working line with reversed
polarity.
• A dim green LED indicates a busy (off hook) line or faulted line
condition (with correct polarity).
• A dim red LED indicates a busy (off hook) line or faulted line
condition (with reversed polarity).
• A brightly flickering green and red LED indicates a ringing line.
Verifying Lines
To perform this test, the test sets must be in the OFF (4VOLTS)
position. Dial the line to be verified. Connect the red lead to the
ring side of the circuit and the black lead to tip. The LED will
flicker red and green. To confirm identification, monitor the line
and switch the tester (briefly) to the SHORT position. This will
terminate the call.
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Supplying Talk Power
Connect the test leads in series with a telephone test set
(buttset) and the inactive wire pair (Figure 2). Move the toggle
switch to the SHORT position to supply the “dead” line with talk
power.
Additional test sets may be added, in series (red clip to
black clip), to increase talk power supply when needed
(Figure 2).
Figure 2. Supplying Talk Power
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Sending Tone
With the test set in the TONE position, connect the modular
plug or the red/black leads to the subject wire(s). An internal
slide switch (accessible from the outside using a slender tool)
allows the selection of either a fast or slow warble tone output
(Figure 3).
Selection Switch Access Slot
9Vdc
PP3
IEC-6LR61
ANSI-1064A
100V MAX
Figure 3.
With multiple signal connection methods, experiment to find the
methods that work best with your applications.
Optional connections include:
• Connect the modular plug to a six-position jack to apply signal
to the center two pins (USOC pair 1 only).
• Connect the red and black leads to the tip and ring conductors
of a twisted pair circuit.
• For high twist wires (e.g. LAN cat-5/6) connect the leads to
conductors of two different pairs. Example: red to tip of pair 1,
black to tip of pair 2.
• Connect the red lead to the subject wire and the black lead to
an independent earth ground.
• Connect the red lead to the shield and the black lead to
ground of a shielded or coaxial cable.
• Connect the red lead to the shield and black lead to center
conductor of a coaxial cable.
Trace the wire(s) with any Greenlee tone probe (Figure4). When
pair tracing, in order to confirm that the correct pair has been
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identified, separate the two wires. The signal will be as loud on
each of the pair wires and will NULL halfway between the two
wires.
Figure 4a. Cable Tracing Figure 4b. Pair Tracing
Reception of tone will be strongest on the subject wire(s).
Shorting the leads of a tone carrying wire pair will cancel the
tone signal and also confirm that the pair has been identified. If
you have ready access to bare conductors, a handset or headset
may be used to locate the tone.
CAUTION: Do not connect to an active DC circuit exceeding
52 volts when the test set is in the TONE or OFF position.
Ringing AC voltage will not affect operation.
Testing for Continuity/Shorts Using SHORT Position
Connect the test leads to the subject wire pair. Move the toggle
switch to the SHORT position and note the condition of the
(Line1) LED. A green LED indicates circuit continuity. The LED
will not illuminate if the circuit resistance exceeds 10 kΩ.
77HP-G only: For resistive shorts of less than 200 Ω, a sounder
will also alert the user of such condition to a short circuit.
CAUTION: Do not connect to any active AC or DC circuit
when the test set is in the SHORT position.
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Specifications
Electrical
Talk Battery (into 600 Ω): 4.6 VDC
Output Power (into 600 Ω): +10 dBm
Resistive Short Visual Indication: <10 kΩ
Resistive Short Audio Indication
(77HP-G and 77HP-G/6A only): <200 Ω
Output Frequency (nominal):
Tone: Alternating 890/960 Hz
Warble Rate:
Slow: 1.3 Hz
Fast: 6 Hz
Voltage Protection (into a 600 Ω circuit): 52 VDC
Battery: 9 VDC (NEDA 1604, JIS 006P or IEC 6LR61)
Battery Life: 50 hours
Physical
Length: 32 mm (1.25”)
Width: 64 mm (2.5”)
Height: 57 mm (2.25”)
Weight (max): 128 g (4.5 oz)
Operating/Storage Conditions
Operating Temperature: 0 °C to 50 °C (32 °F to 122 °F)
Storage Temperature: -50 °C to 75 °C (-58 °F to 167 °F)
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Maintenance
Electric shock hazard:
Before opening the case, remove the test leads from the
circuit and shut off the unit.
Failure to observe this warning could result in injury and can
damage the instrument.
Battery Replacement
1. Remove screw from rear of set holding back cover.
2. Remove back cover.
3. Remove and replace battery.
4. Replace back cover and screw. DO NOT OVERTIGHTEN
SCREW.
Cleaning
Periodically wipe with a damp cloth and mild detergent; do not
use abrasives or solvents.
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