Fluke NX8 User manual

PN 3968800 January 2011, Rev. 4 8/2017
©2011, 2017 Fluke Corporation. Pocket Toner®, Speed
81™, and Dial Tone Detective™ are trademarks of Gale
Corporation.
*3968800*
NX8 Pocket Toner®
Users Guide
The NX8 Pocket Toner lets you quickly do tests
for continuity, short circuits, ac and dc voltage,
and 50 or 75 termination. The standard
adapters let you use the toner on cable with 
F-type connectors. Optional adapters let you
use the toner on twisted pair, coaxial, and
two-wire radial cable.
The optional Dial Tone Detective™lets you
quickly see if a dial tone is present at a
telephone jack and if the polarity of the wires
is correct.
Symbols
WWarning or Caution: Risk of damage to
or destruction of equipment or software.
See explanations in the manual.
XWarning: Risk of electrical shock.
Conforms to relevant Australian
standards

WSafety Information
WWarningX
To prevent possible fire, electric shock, or
personal injury:
 Do not connect the toner to more than 
30 Vac, 42 Vpk, or 60 Vdc.
 This equipment has no insulation against
on-hook, dial tone, ring, or transient
voltages. Those voltages can be
hazardous and can exist on active
telecommunication circuits. Do not use
this equipment on active circuits where
these voltages can exist. Disconnect the
circuits at the source before connecting
this equipment.
 Do not use in a damp or wet
environment.
 Protection may be impaired if Product is
used in a manner not specified.
PConformite Europeene. Conforms to
the requirements of the European
Union and the European Free Trade
Association (EFTA).
)Listed by the Canadian Standards
Association, CSA C22.2 No. 61010.1.04
jDo not connect this equipment to
public communications networks, such
as telephone systems. See the warning
below.
~Do not put products that contain circuit
boards into waste containers. Refer to
local regulations for disposal
procedures.

Features
* F-type coupler that helps you make
connections faster.
Auto Shut-Off
The main unit turns off if the condition of the
line does not change for 10 minutes.
Toner cap
Speed 81 coupler*
Adapter
ID cap
Adapter
Display
Power
key
Speaker
Test
port
Main
unit
Battery cap

How to Use the Toner
1 For unterminated cable, connect the
correct adapter to an ID cap or the toner
cap, then connect the cap to the far end of
the cable.
2 Connect the correct adapter to the main
unit.
3 Turn on the main unit, then connect it to
the near end of the cable.
4 Read the display on the main unit:
A blinking dash indicates an open
circuit.
A blinking "S" indicates a short
circuit.
A "C" indicates continuity with the
toner cap or a 50 or 75 
terminator
Solid: DC voltage is present (>6 V dc).
Blinking: AC voltage is present
(>6 V ac).
The numbers 1 through 8 indicate
continuity with one of the eight ID
caps.
Notes
The toner cap emits a loud, steady tone
when it has is continuity with the main
unit.
If the condition of the line changes, the
main unit emits a loud, brief tone.

RJ45
66-Block
BNC
2-Wire Clip
RCA
Push-on F-Type
Toner Cap
RJ11

How to Detect Dial Tones
1 Connect the optional Dial Tone Detective
to a telephone jack.
To hear a tone when a dial tone is present,
use the Speed 81 coupler to connect the
toner cap to the Dial Tone Detective.
2 If there is a dial tone, the green LED is on.
If the jack is reverse-wired, the red LED is
on.
Maintenance
WWarningX
To prevent possible fire, electrical shock,
personal injury, or damage to the toner:
 Do not open the case, except to replace
the battery. You cannot repair or replace
parts in the case.
LEDs

 To extend battery life, remove the battery
if you will not use the toner for a long
period of time.
 Use only replacement parts that are
approved by Fluke Networks.
 If you replace parts that are not specified
as replacement parts, the warranty will
not apply to the product and you can
make the product dangerous to use.
 Use only service centers that are approved
by Fluke Networks.
Cleaning
WCaution
To prevent damage to the display or the case,
do not use solvents or abrasive materials.
To clean the case, use a soft cloth that is moist
with water or water and a weak soap.
How to Replace the Battery
AAA

Specifications
Approximate distance: 300 m (1,000 ft)
Output voltage in continuity mode: 3.6 Vdc
(with a new battery)
Toner frequency: Main unit: 2.7 kHz. Toner
cap: 2.3 kHz
Maximum input voltage: 30 Vac, 42 Vpk, or
60 Vdc
Battery type: 1.5 V AAA alkaline
Auto shut-off: 10 minutes
Operating temperature: -20 °C to +65 °C
Storage temperature: -30 °C to +70 °C
Altitude: 3,000 m (10,000 ft) maximum
Relative humidity: 5 % to 95 % (non-
condensing)
Dimensions and weight: 5.4 in x 0.6 in
(138 mm x 15 mm), 2.2 oz (62.4 g)
Pollution degree: 2

Contacting Fluke Networks
Fluke Networks operates in more than 50
countries worldwide. For more contact
information, go to our website.
www.flukenetworks.com
[email protected]
1-800-283-5853, [phone]
Fluke Networks
6920 Seaway Boulevard, MS 143F
Everett WA 98203 USA

LIMITED WARRANTY AND
LIMITATION OF LIABILITY
Fluke Networks mainframe products will be
free from defects in material and
workmanship for one year from the date of
purchase, unless stated otherwise herein.
Parts, accessories, product repairs and services
are warranted for 90 days, unless otherwise
stated. Ni-Cad, Ni-MH and Li-Ion batteries,
cables or other peripherals are all considered
parts or accessories. This warranty does not
cover damage from accident, neglect, misuse,
alteration, contamination, or abnormal
conditions of operation or handling. Resellers
are not authorized to extend any other
warranty on Fluke Networks’ behalf. To
obtain service during the warranty period,
contact your nearest Fluke Networks
authorized service center to obtain return
authorization information, then send your
defective product to that Service Center with
a description of the problem.
For a list of authorized resellers, visit
www.flukenetworks.com/wheretobuy.
THIS WARRANTY IS YOUR ONLY REMEDY.
NO OTHER WARRANTIES, SUCH AS FITNESS
FOR A PARTICULAR PURPOSE, ARE
EXPRESSED OR IMPLIED. FLUKE NETWORKS IS
NOT LIABLE FOR ANY SPECIAL, INDIRECT,
INCIDENTAL OR CONSEQUENTIAL DAMAGES
OR LOSSES, ARISING FROM ANY CAUSE OR
THEORY. Since some states or countries do
not allow the exclusion or limitation of an
implied warranty or of incidental or
consequential damages, this limitation of
liability may not apply to you.
4/15
Fluke Networks
PO Box 777 
Everett, WA 98206-0777
USA