DATACOM TEXTRON FiberLive R Series Manuel de l'utilisateur - Page 2

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Product Description

The FiberLive, by Datacom Textron, is a compact

and rugged detector of visible and invisible light

energy produced by LED and laser sources.

The FiberLive is intended for field service person-

nel and technicians who require a simple handheld

instrument capable of quickly sorting-out live and

dark fibers in the 630 to 1600nm range. At wave-

lengths above 700nm, light energy cannot be seen

by the human eye.

This patented instrument uses a unique optical

interface that works with both connectorized and

bare fibers. The detector port of the FiberLive con-

sists of a patented light blocking curtain and an

optical funnel (light trap) that are the basis for its

wide dynamic sensitivity range—from -55dBm

(3nW) to +25dBm (300mW). The design also allows

for light identification under ambient conditions.

The FiberLive has a single control—a push-button

test switch. If light within the specified wavelength

range is detected after the switch is pressed, the

instrument illuminates a yellow-amber LED indica-

tor and beeps for three seconds.

A second, green, LED indicates the condition of the

two AA-size alkaline batteries that power the instru-

ment. Users can expect the batteries to last a full

year under typical field conditions.

Basic Operation

1) Insert the free end of the fiber under test into the

detector port of the FiberLive.

2) Press the Test button. If the batteries are good,

the green LED will illuminate, indicating that the

battery power is sufficient to perform a measure-

ment.

3) Release the Test button.

4) If the yellow-amber LED illuminates and the unit

beeps, the inserted fiber is transmitting light.

97-0510-41 Rev. A

Ambient Light Suppression

The FiberLive detector port is fitted with a light

blocking curtain made up of numerous small bris-

tles that suppress ambient light and ensure accu-

rate tests. Over time, these bristles can wear out,

allowing ambient light to enter the optical funnel.

Excessive light leakage past the curtain will cause

false readings. To test the effectiveness of the light

blocking curtain, do the following:

Hold the FiberLive with the detector port pointing

towards a strong light source, such as a desk lamp

or the sun. Press the Test button. If the yellow-

amber LED lights up and the instrument beeps,

ambient light is leaking into the optical funnel. The

light curtain assembly needs replacement. Please

refer below to the Technical Support and Service

section for assistance.

Technical Support and Service

Datacom Textron offers unlimited free technical

support for your FiberLive light detector. If you have

any questions or comments about your instrument,

contact your local service representative, distribu-

tor, or call Datacom Textron and ask for technical

support. Hours are from 8 a.m. to 4:30 p.m. Pacific

time, Monday through Friday. The phone numbers

and internet address are:

U.S.A. and Canada

(800) 468-5557

(425) 355-0590

International

(425) 355-0590

FAX

(425) 290-1600

Internet

www.datacom.textron.com

You may wish to e-mail your question to our web

site. A Datacom Textron Technical Support

Representative will review all messages received

and respond appropriately. The FAX and web site

are available 24 hours a day.

Battery Replacement

The FiberLive is shipped ready to use, with the bat-

teries already installed. When exhausted, the two

AA-size alkaline batteries that power the unit are

easily replaced after removing the rear half of the

instrument case.

To replace the batteries, do the following:

1) Slide the rubber bumpers off both ends of the

instrument. The bumpers fit tightly, so be careful not

to tear them. Do not use tools or sharp instruments

to pry off the bumpers or damage will result.

2) Loosen the screw on the back of the FiberLive by

turning it counter-clockwise with a standard screw-

driver. This screw is captive to prevent loss.

FRONT

3) Lift off the rear half of

the instrument case. The

batteries

exposed. Replace them,

making sure that that the

polarity is correct (see dia-

gram). Do not use non-

alkaline or rechargeable

batteries in the instrument.

−

4) Reassemble the FiberLive by reversing this pro-

cedure, then check the functioning of the instru-

ment by pressing the Test button. The green LED

should illuminate. If not, remove the rear cover and

make sure the batteries are correctly installed.

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