FLUKE network VisiFault Visual Fault Locator Instruction Manual
- June 12, 2024
- FLUKE network
Table of Contents
VisiFault Visual Fault Locator
Product Information
The VisiFault Visual Fault Locator (VFL) is a visible light
source that helps you trace optical fibers, check fiber continuity,
and find faults such as breaks, bad splices, and tight bends in
fiber optic cable. It has a laser diode with a wavelength of 635 nm
(nominal) and is classified as Class 2. The VFL is compatible with
both multimode and singlemode fibers and has a universal adapter
for connectors with 2.5 mm ferrules. It can operate in continuous
or flashing mode with an output power of less than 1.3 mW.
Product Usage Instructions
-
Remove the dust cap from the VFL’s output adapter and clean
both the adapter and the connector on the fiber to be tested. -
Plug the fiber optic connector into the VFL’s output. The VFL’s
universal fiber adapter accepts connectors with 2.5 mm ferrules
(SC, ST, or FC). If you have connectors with 1.25 mm ferrules, use
the optional 1.25 mm universal adapter. -
Press the power key to turn on the VFL.
-
To toggle between continuous and flashing modes, press the
FLASH key. The status LED indicates the VFL’s output status. -
Before disconnecting the VFL from the fiber, turn it off and
replace the dust cap.
Tips: View the VFL’s light indirectly by holding a white card or
paper in front of the VFL output or the fiber connector emitting
the light. Please note that the VFL’s light may not be visible
through thick or dark-colored cable sheaths or connector dust
caps.
Maintenance
To clean the VFL, use a soft cloth dampened with water or water
and a mild soap. Do not use abrasives, solvents, or alcohol. If the
VFL’s light is dim or does not turn on, replace the batteries as
shown in the user manual.
Specifications
-
Laser type and classification: 635 nm (nominal) laser diode,
Class 2 -
Fiber compatibility: Multimode and singlemode
-
Output port: Universal adapter for connectors with 2.5 mm
ferrules -
Output: Continuous or flashing (2 Hz)
-
Output power: Less than 1.3 mW
-
Temperature and humidity ranges: Refer to the user manual for
detailed information. -
Vibration and shock resistance: Refer to the user manual for
detailed information.
VisiFault Instruction Sheet 8/16/2004 English Page 1 of 6
Panel Size: 4-1/8″ x 7″
VisiFault
Visual Fault Locator
Instruction Sheet
The VisiFault Visual Fault Locator (VFL) is a visible light source that helps
you trace optical fibers, check fiber continuity, and find faults such as
breaks, bad splices, and tight bends in fiber optic cable.
Safety Information
W*Warning: Class 2 Laser
To avoid possible eye damage caused by hazardous radiation
· Never look directly into the VFL’s output (item A in
Figure 1). Momentary exposure to the VFL’s output will not damage your eyes;
however, direct, long-term exposure is potentially hazardous. · Cover the
VFL’s output with the dust cap when the VFL is not in use. · Do not open the
case (except to open the battery cover to change the batteries); no user-
serviceable parts are inside. · Do not modify the VFL. · Do not magnify or
otherwise modify the laser output. Use only approved connectors and adapters.
· Do not use controls, adjustments, or procedures not documented or approved
by Fluke Networks.
1.888.610.7664
PN 2157599 May 2004 Rev. 1 8/04
2004 Fluke Networks. All rights reserved. Printed in USA.
All product names are trademarks of their respective companies.
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FT25/35 Instruction Sheet 8/16/2004 English Page 2 of 6
Panel Size: 4-1/8″ x 7″
Using the Visual Fault Locator
To use the VFL, refer to Figure 1 and do the following: 1 Remove the VFL’s
dust cap; then clean the VFL’s output
adapter and the connector on the fiber to be tested.
2 Plug the fiber optic connector into the VFL’s output (A).
The VFL’s universal fiber adapter accepts connectors with 2.5 mm ferrules (SC,
ST, or FC). For 1.25 mm ferrules, use the optional 1.25 mm universal adapter.
3 Press the key (B) to turn on the VFL.
4 To toggle between continuous and flashing modes, press
the FLASH key (C). The status LED (D) indicates the VFL’s
output status. 5 Turn off the VFL before disconnecting it from the fiber.
Replace the dust cap. Tips: View the VFL’s light indirectly by holding a white
card or
paper in front of the VFL output or the fiber connector emitting the light.
The VFL’s light may not be visible through thick or darkcolored cable sheaths
or connector dust caps.
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FT25/35 Instruction Sheet 8/16/2004 English Page 3 of 6
Panel Size: 4-1/8″ x 7″
1
2
CLASS II LASER
4
FLASH
3
VVISIUSIAFLAUFALTULT LOCATOR
Continuity check/ tracing fibers
Microbend or broken fiber
Broken fiber in connector
Bad splice
Sharp bend
Figure 1. Using the Visual Fault Locator
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FT25/35 Instruction Sheet 8/16/2004 English Page 4 of 6
Panel Size: 4-1/8″ x 7″
Accessory
Description 2.5 mm to 1.25 mm universal adapter
Fluke Networks Model Number
NF-380
Maintenance
Clean the case with a soft cloth dampened with water or water and a mild soap.
Do not use abrasives, solvents, or alcohol.
If the VFL’s light is dim or does not turn on, replace the batteries as shown
in Figure 2.
Figure 2. Replacing the Batteries
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FT25/35 Instruction Sheet 8/16/2004 English Page 5 of 6
Panel Size: 4-1/8″ x 7″
Specifications
Laser type and classification Fiber compatibility Output port
Output Output power Range
Temperature and humidity ranges
635 nm (nominal) laser diode, Class 2
Multimode and singlemode Universal adapter for connectors with 2.5 mm ferrules
Continuous or flashing (2 Hz)
< 1.3 mW
3 km on multimode fiber 4 km on singlemode fiber Operating: 0 °C to 40 °C
RH 95% (10 °C to 35 °C)
Storage:
-20 °C to +60 °C RH 95% (10 °C to 35 °C)
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FT25/35 Instruction Sheet 8/16/2004 English Page 6 of 6
Panel Size: 4-1/8″ x 7″
Vibration and shock
2 g, 5 Hz-500 Hz; 1 m drop
Altitude
3000 m
Battery type and life
2 AA alkaline; 80 hours typical in continuous mode
Dimensions and weight
6.2 in x 2 in 1.3 in (157 mm x 52 mm x 33 mm) 5.7 oz (162 g)
Safety
CSA C22.2 No. 1010.1: 1992, EN 61010-1, CE
Laser safety label is on the back of the VFL.
Complies with 21 CFR 1040.10 and 1040.11 except for deviations pursuant to Laser Notice No. 50, dated July 26, 2001
LIMITED WARRANTY & LIMITATION OF LIABILITY
Fluke Networks products will be free from defects in material and workmanship
for one year from the date of purchase. Parts, accessories, product repairs
and services are warranted for 90 days. This warranty does not cover
disposable batteries, cable connector tabs, cable insulation-displacement
connectors, or 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.
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.
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References
- Calcert
- Tools for Installation, Certification and Troubleshooting of Network Cabling – Fluke Networks®
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