503901-1 - Tyco Electronics

Instruction Sheet

CORELINK* Fiber Optic Mechanical

Splice 503577-1 Singlemode and 408-4019

LOC B

of 3

2008 Tyco Electronics Corporation, Harrisburg, PA

All International Rights Reserved

TE logo and Tyco Electronics are trademarks.

*Trademark. Other products, logos, and company names used are the property of their respective owners.

TOOLING ASSISTANCE CENTER 1-800-722-1111

PRODUCT INFORMATION 1-800-522-6752 This controlled document is subject to change.

For latest revision and Regional Customer Service,

visit our website at

www.tycoelectronics.com

24 OCT 08 Rev D

503901-1 Multimode (12-Splice Pack)

1. INTRODUCTION

This sheet covers the application of CORELINK Fiber

Optic Mechanical Splice 503577–1 Singlemode and

503901–1 Multimode (12–Splice Pack), which provide

a low–loss splice between any combination of

250–

m coated fiber and 900–

m buffered fiber.

Use of CORELINK Splice Workstation 503605-1

(408-4131) is recommended to enhance the

reliability and ease of producing low-loss splices.

Measurements are in millimeters [with inch

equivalents in brackets]. Figures and illustrations

are for identification only and are not drawn to

scale.

Reasons for reissue of this document are provided in

Section 3, REVISION SUMMARY.

2. ASSEMBLY PROCEDURE

To ensure a reliable low-loss splice, use a

cleaver that consistently provides a high-quality

cleaved fiber end. Fiber ends that have not been

squarely and smoothly cleaved may contain

loss-producing surface conditions, such as spurs,

chips, and jagged edges.

ALWAYS wear eye protection when working with

optical fibers. NEVER look into the end of

terminated or unterminated fibers. Laser radiation

is invisible but can damage eye tissue. NEVER

eat, drink, or smoke when working with fibers.

This could lead to ingestion of glass particles.

2.1. Tools and Materials

The following tools and materials are necessary for

preparation, assembly, inspection, and maintenance

of the assembly. Follow the operating instructions

(408–series) packaged with the tools and safety

guidelines packaged with the materials.

A. Required

— Fiber Optic Combination Strip Tool 1278947–1

(408–4577) or 1754708–1

— Alcohol Fiber Wipe Packet 501857–2 or

lint–free tissues and isopropyl alcohol greater

than 91% (99% preferred)

— Fiber Optic Cleaver Tool 1871696–1

(408–10086)

B. Optional

— Visual Fault Locator 1828352–1

— Bare Fiber Adapter 934–125

(available from RIFOCS)

— 200



Microscope Kit 1754767–1

— 2.5mm Universal Adapter 1754766–1

(included with microscope)

2.2. Stripping the Cable

1. Using the fiber optic combination strip tool, strip

the fiber to 31 to 33 mm [1.22 to 1.30 in.].

2. Clean the stripped portion of the fiber with an

alcohol fiber wipe or lint–free tissue moistened with

isopropyl alcohol greater than 91% (99% preferred)

to remove the fiber coating residue. DO NOT touch

the stripped portion of the fiber after cleaning.

2.3. Installation

1. Open the package and remove the CORELINK

splice.

To prevent contamination, do NOT remove the

CORELINK splice until ready for use.

2. Remove the spreader keys from the key card

supplied with the CORELINK splice. Holding the

splice as shown in Figure 1, insert the keys into the

key entry ports (the holes closest to the edge of

the splice). The key handle tabs should be parallel

to the flat side and pointing away from the splice.

Insert the keys all the way to their shoulders.

3. Turn both key handle tabs 90

downward. The

splice is now open.

Figure 1

NOTE

DANGER

CAUTION

408-4019

CORELINK Fiber Optic Mechanical Splices 503577-1 and 503901-1

Rev

of 3 Tyco Electronics Corporation

2.4. Cleaving the Fiber

Fibers must be terminated as soon as the

cleaving and inspection process is complete;

otherwise, damage to the fibers could result.

1. Open the fiber clamp of the fiber optic cleaver.

Press the button, and slide the carriage back

(toward the fiber clamp). Then move the fiber slide

back until it stops.

2. Place the stripped fiber into the slot so that the

end of the buffer is at the 10–mm marking for

250–

m or 18–mm marking for 900–

m. See

Figure 2, Detail A.

3. While applying pressure on the buffer, carefully

slide the fiber slide forward (toward the carriage)

until it stops. See Figure 2, Detail B.

4. Gently close the fiber clamp, and slide the

carriage forward. DO NOT touch the button while

sliding the carriage. See Figure 2, Detail C.

5. Open the fiber clamp, and move the fiber slide

back until it stops.

6. Remove the cleaved fiber, and properly dispose

of the scrap fiber. If the fiber does not cleave,

repeat the process starting with Step 3 of

Paragraph 2.2.

Be careful to dispose of fiber ends properly. The

fibers create slivers that can easily puncture skin

and cause irritation.

Fibers must have a quality cleave before

terminating to the jacks. To ensure that the

cleave tool is producing quality cleaves, it is

STRONGLY RECOMMENDED to inspect at least

one fiber cleave per day according to the

following:

1. Fit the bare fiber adapter onto the universal adapter;

then assemble the universal adapter onto the microscope.

2. Using the microscope, inspect the fiber for a quality

cleave. Refer to the instructions packaged with the

microscope kit) for operating procedures and safety

precautions concerning the microscope.

DO NOT attempt to clean the fiber after it has

been cleaved.

Figure 2

Detail A

Detail B

Detail C

Stripped Fiber in Slot

End of Buffer at 10- or 18-mm Marking

Slide Fiber Slide

Forward

Slide Carriage Forward

Fiber Clamp Closed

7. Align each fiber with the entry port nearest the

center of each end face. Insert the fiber slowly,

making sure it travels smoothly through the

channel into the center element. A 250–

m fiber’s

coating will stop at the edge of the aluminum

CAUTION

408-4019

CORELINK Fiber Optic Mechanical Splices 503577-1 and 503901-1

of 3Rev

Tyco Electronics Corporation

element, whereas a 900–

m fiber’s buffer will stop

at the end of the wide part of the channel. Slide the

fibers left or right and visually check that both gaps

between the buffer and the aluminum element are

equal. See Figure 3.

Figure 3

Fiber

Visually Equal Distance

900

m Buffer

If the fiber sticks to or slides out of the channel

during insertion, pull it back slightly and continue

to insert it until the fiber coating or buffer contacts

the appropriate stop.

8. While applying gentle, inward pressure with the

thumb and forefinger, gently rotate the key handle,

turning it 90

as shown in Figure 4 (do NOT snap it

closed). This locks the first fiber in place. Inspect

the fiber to make sure it remained in the channel

during locking.

Figure 4

LOCK

PUSH

9. Be sure to maintain gentle, inward pressure on

the second fiber while turning the key to ensure

that the fibers butt against each other. Gently

rotate the key when locking the second fiber to

prevent the fiber tips from bouncing apart. Inspect

the fiber to make sure it remained in the channel

during locking. This completes the splice.

10. To tune the splice, unlock one of the fibers and

pull it back slightly, rotate it 90

to tune it, then

push it forward and re–lock it. Tuning is usually not

necessary.

The spreader keys can be conveniently stored by

taping them in or near the splice tray. Otherwise,

they can be slipped into the holder and stored in

a wallet or tool box.

The interior material of the CORELINK splice

contains index matching gel. If the interior

material comes in contact with skin or with eyes,

it may cause irritation. If contact occurs, wipe off

the material and flush the area with water

immediately. Consideration must be given to

safety requirements of this gel. Refer to the

Material Safety Data Sheet, which is available by

contacting Nye Lubricants Inc.

3. REVISION SUMMARY

Since the previous release of this document, the

following changes have been made.

Updated document to corporate requirements

Added new text in Section 2, ASSEMBLY

PROCEDURE

Added new Figure 2 and renumbered

NOTE

CAUTION