CORNING SCF-1296 Manual de usuario

P/N 206-455-AEN

Issue 1

Standard Recommended Procedure 206-455-AEN | Issue 1 | November 2018 | Page 1 of 14

SCF-1296/1728 Heat Shrink Open Ribbon

System (HS-ORS) Canister Splice Closure

related literature | Search www.corning.com/opcomm. Click on “Resources/Standard Recommended Procedures.”

Figure 1

TPA-6313

Table of Contents

1. General..........................................................................................................2

2. Tools and Materials ..............................................................................................2

3. Carton Contents .................................................................................................2

4. Prepare the Cable................................................................................................2

5. Prepare End Cap .................................................................................................4

6. Continue Cable Preparation......................................................................................4

7. Install Strain-relief Hardware in Express Port .....................................................................5

8. Install Cable .....................................................................................................5

9. Attach Frame to End Cap.........................................................................................6

10. Load Express Fibers ..............................................................................................7

11. Splice............................................................................................................9

12. Seal the Closure ................................................................................................10

12.1 Install Seal ...............................................................................................10

12.2 Install the Canister Cover. ................................................................................ 11

13. Perform Flash Test ..............................................................................................12

14. Ground the Closure (Optional) ..................................................................................12

APPENDIX A .............................................................................................................13

Standard Recommended Procedure 206-455-AEN | Issue 1 | November 2018 | Page 2 of 14

1. General

This instruction describes the recommended procedures for loading ber optic cable into the SCF-1296/1728

Heat-Shrink Open Ribbon System (ORS) Canister Closure (Figure 1).

Contact your customer service representative to purchase accessories that are sold separately.

2. Tools and Materials

The following tools and materials are required to complete this installation:

• Tape measure

• Scissors

• Side cutters

• Cable knife/stripping tool

• 1/2-inch deep socket and ratchet

• 3/8-in nut driver

• 7/16-in nut driver

• 5/16-in nut driver

(to install sheath retention clamp)

• 11/32-in nut driver

• 10 mm socket and ratchet

• Flat-tip screwdriver

• Phillips screwdriver

• Permanent marker pen

• Paint marker pen

• Aluminum tape

• Electrical tape

• Heat gun

• Torque wrench

• Hand pump

• Air pressure gauge

• Soapy water (to verify leaks)

3. Carton Contents

Each carton contains the following:

• (1) Closure dome

• (1) ORS ber management assembly

• (1) Heat-shrink end cap

• (2) Ground assembly

• (1) Clamping ring

• (1) End cap sealing ring

• (1) Accessory kit (containing express

heat-shink tube, branching clip, and

UCN lubricant)

4. Prepare the Cable

CAUTION: The wearing of cut-resistant safety gloves to protect your hands from accidental injury

when using sharp-bladed tools and armored cable is strongly recommended. Use extreme care when

working with severed armor. There will be a sharp edge where armor is cut. To minimize the chance

of injury from the cut armor, cover the exposed edge with a wrap of electrical tape. To minimize the

chance of injury from sharp-bladed tools, always cut away from yourself and others. Dispose of used

blades and armor scrap properly.

CAUTION: Recommend the use of safety glasses (spectacles) conforming to ANSI Z87, for eye

protection from accidental injury when handling chemicals, cables or ber. Pieces of glass ber are

very sharp and have the potential to damage the eye.

CAUTION: Fiber optic cable is sensitive to excessive pulling, bending, and crushing forces. Consult the

cable specication sheet for the cable you are installing. Do not bend the cable more sharply than the

minimum recommended bend radius. Do not apply more pulling force to the cable than specied. Do

not crush the cable or allow it to kink. Doing so may cause damage that can alter the transmission

characteristics of the cable; the cable may have to be replaced.

Standard Recommended Procedure 206-455-AEN | Issue 1 | November 2018 | Page 3 of 14

One express (mid-span) cable may be placed in the express port or up to two individual cables may be installed

using the supplied three-nger clip.

Step 1: Place a wrap of tape around the cable sheath at the distance specied in Figure 2. Remove indicated

length of cable sheath and armor (where applicable) according to cable manufacturer’s instructions.

Figure 2

IMPORTANT: Do not expose the bare bers until after the cable has been placed in the closure end cap. Do not

untwist the subunits or remove their jacketing.

Step 2: Pull the outer jacket open to the tape mark (Figure 3). Ring cut about halfway through the GRP rods

and polyethelene jacket. Bend the jacket back.

Step 3: After jacket is bent back, cut o the jacket and GRP rods (Figure 4). Then remove water-swellable tape

with scissors.

15 feet of exposed ribbon subunits

Cable Sheath

TPA-6300

TPA-5939

Figure 3

TPA-5940

GRP rods

Water-swellable

tape

Figure 4

Standard Recommended Procedure 206-455-AEN | Issue 1 | November 2018 | Page 4 of 14

Ribbon Cable for Drop Cable (non-mid-span)

5. Prepare End Cap

Step 1: Remove the frame from the end cap.

Step 2: Open the appropriate cable port for your application based on the table in Figure 5. When using ports

other than the oval port, use a taller port before using a shorter port. Oval ports line up best with

central slack well.

Oval Port “A” Round Port “B” Round Port “C”

One

Cable

Two

Cables

One

Cable

Two

Cables

One

Cable

Two

Cables

25 mm

(1.0 in.)

min.

10 mm

(.40 in.)

min.

11 mm

(.43 in.)

min.

8 mm

(.32 in.)

min.

7 mm

(.28 in.)

min.

N/A

41.4 mm

(1.65 in.)

max.

28 mm

(1.10 in.)

max.

32.5 mm

(1.29 in.)

max.

15.5 mm

(.60 in.)

max.

12.7 mm

(.58 in.)

max.

N/A

Figure 5

a. Carefully tap the end using a punch or a nut driver (Figure 6).

b. Clean the port opening with a le to remove any rough edges.

6. Continue Cable Preparation

Step 1: Remove indicated length of cable sheath and armor (where

applicable) according to Figure 2.

Step 2: Slide the heat-shrink tubing over the cable as shown in Figure 7.

NOTE: Heat-shrink tubes for drop ports are purchased separately.

Step 3: Mark the cable 229 mm (9 in) from sheath opening and slide it through the port.

Step 4: Pull the cable through the end cap an additional 300 mm (12 in) or until you pass the mark on the

cable.

TPA-5980

C C

B B

TPA-5981

Figure 6

TPA-5982

Figure 7

Standard Recommended Procedure 206-455-AEN | Issue 1 | November 2018 | Page 5 of 14

7. Install Strain-relief Hardware in Express Port

Refer to SRP 206-288 (Heat-shrink End Cap Canister Closure Sealing Checklist) to ensure all critical steps for

sealing the closure have been performed accurately.

Step 1: Wrap a large hose clamp around the bracket and cable approximately 6 mm (0.25 inches) below the

sheath opening (Figure 8).

Step 2: Position the hose clamp with the tensioning body on the same side of the bracket as the threaded

stud.

Step 3: Tighten the hose clamp in the notch on the bracket.

NOTE: Make sure the tensioning body on the hose clamp is positioned as shown.

Step 4: Secure the assembly to the end cap using the provided screw (Figure 9).

8. Install Cable

CAUTION: Use sealing paste and cable cleaner in a well-ventilated area to eliminate the possibility of

dizziness and nausea. If paste or cleaner comes in contact with skin or eyes, wash area immediately

with soap and water to avoid irritation. Do not induce vomiting if paste or cleaner is ingested.

IMPORTANT: Torches are not recommended for the application of the heat-shrink tubes included with this kit.

Certain combinations of cable sheath materials and torches may cause sheath blistering. To avoid

sheath damage, aluminum tape (2.5-in width) can be applided cylindrically around the cable

sheath (Figure 10). The cable must be cleaned and roughened before installing the tape. Center

the tape over the mark made in Section 6. Press the tape smooth at the edges to prevent possible

pathways for water intrusion.

Step 1: Clean and roughen the cable approximately 75

or 100 mm (3 or 4 inches) towards the end of the

cable using the supplied sandpaper.

Step 2: Roughen the appropriate cable port to ensure

heat-shrink adhesion.

Step 3: Carefully preheat the port and cable with the heat

gun.

Step 4: Slide the heat-shrink tube over the port until it

butts against the end cap.

Step 5: Pull the cable(s) back through the port.

TPA-6364

HSSR bracket

Hose clamp Threaded stud

Figure 8

TPA-5992

Figure 9

TPA-6002

Mark on cable

Aluminum tape

Figure 10

Standard Recommended Procedure 206-455-AEN | Issue 1 | November 2018 | Page 6 of 14

Step 6: If more than one cable is being installed in the oval port, position the 3-nger clip between the two

cables at the end of the heat-shrink tube (Figure 11).

Step 7: Hold the cable while heating to prevent any movement.

Step 8: Beginning at the port, gradually move a heat gun down the tube. Allow this portion of the tube to

cool before shrinking the rest of the tube onto the cable.

9. Attach Frame to End Cap

Step 1: Remove splice plane and slack storage covers Section Figure 12.

Figure 12

Step 2: Secure the end cap on the work surface (table) with the express cable to the top.

Step 3: Lay all the ribbon ber from the express ports in a bundle in the middle storage area (Figure 13).

Step 4: Hold the express bers in one hand and the ORS frame in the other hand.

Step 5: Carefully reposition the ORS frame and secure it to the end cap.

IMPORTANT: Make sure the end cap is oriented so that the express cables transition smoothly into the middle

storage area of the frame with no sharp bends in the cable.

3-finger Clip

TPA-3746

Figure 11

TPA-6367

Standard Recommended Procedure 206-455-AEN | Issue 1 | November 2018 | Page 7 of 14

10. Load Express Fibers

IMPORTANT: Basic ribbon ber routing requires Ribbon “A” spliced to Ribbon “B.” Ribbon “B” will be routed to

the side of the splice plane opposite from Ribbon“A.”

• For sub-ribbon splicing, split the ribbon matrix with appropriate equipment (P/N RST-000

or equivalent) and separate ribbon matrix within 6 in of cable sheath opening. Secure this

separation point with tape.

Step 1: Form the subunits from each cable into a single slack loop placed into the middle storage

compartment of the frame (Figure 14) and cover. Route the extra length toward the side storage

compartments.

NOTE: Do not yet route any bers or subunits in the side storage compartment, but rather let subunit lay free

until splicing each subunit.

Figure 14

TPA-6314

Express cable

Figure 13

TPA-6366

Standard Recommended Procedure 206-455-AEN | Issue 1 | November 2018 | Page 8 of 14

Step 2: Select the rst subunit, align along the tongue of the side storage compartment making a mark

where the tongue ends.

Figure 15

Step 3: Peel the subunit to the mark exposing the ribbons.

Step 4: Using the ribbon splitting tool (Corning P/N RST-000), split each 24-ber ribbon into 12-ber groups.

Organize the ribbons in the desired splicing order. Secure the order with some non-aggressive tape,

such as painter’s tape.

NOTE: Only use the ribbon splitting tool on the rst two to four inches of ribbon. Clean excess ribbon matrix

from the tool often. Split the rest of the ribbon length by hand.

Step 5: Create a loop with the ribbon bundle and work it into the side storage area for splicing slack. It is

recommended to place subsequent loops at slightly direrent length. Bring the ribbon bundle out of

the side slack storage area, through clip A, and up to the splicing deck.

Figure 16

Step 6: Take the bundle of bers wrapped in tape through the side plastic clip (“B”) and remove the tape.

Step 7: Close the clip to secure the bers within it (Figure 17).

TPA-6360

TPA-6361

Clip “C”

Clip “B”

TPA-6008

Figure 17

Standard Recommended Procedure 206-455-AEN | Issue 1 | November 2018 | Page 9 of 14

Step 8: Open the plastic clip on the splice plane (“C”) and lay

the bers inside.

Step 9: Carefully close the clip (Figure 18).

Step 10: Lay the bers all the way down the splice plane on

the side of the organizer while maintaining a full loop

of slack in the storage area.

Step 11: Temporarily secure the bers at the bottom of the

ORS with another piece of tape (Figure 19).

Step 12: Repeat Section 10 for the other side.

11. Splice

Step 1: Prepare bers and splice:

a. To ensure the appropriate length of slack

bers, cut the bers extending beyond

the bottom of the closure as shown in

Figure 20.

b. Remove the tape from the bers.

c. Remove the bers from the top plastic clips.

d. Lay all bers on the table.

e. Determine which two ribbon bers are to

be spliced (one from the left and one from the right).

f. Route them through the clip again and into the bottom of the closure. Do not close the clip at this

time.

g. Bring the two bers to the appropriate position in the organizer.

h. Temporarily lay the bers in the organizer to determine the required length.

i. Cut both bers at the same time in the center of the organizer.

TPA-6009

Figure 18

TPA-6010

Figure 19

TPA-6011

Figure 20

Standard Recommended Procedure 206-455-AEN | Issue 1 | November 2018 | Page 10 of 14

IMPORTANT: Before cutting, make sure there is a complete loop of bers in the side storage compartment and

the bers lie neatly in the trough of the splice plane.

Step 2: Splice the bers according to the appropriate instructions

for the splicing equipment you are using.

Step 3: Insert the protected splice (heat-shrink splice protectors

are recommended) back into the rst slot in the

organizer.

Step 4: Repeat for all required splices. Install splices into the

organizer consecutively (Figure 21).

NOTE: Each slot in the organizer accepts two splices. Install the

second splice on top of the rst splice before proceeding to

the next slot in the organizer.

Step 5: Secure the spliced ribbons in the clips on the splicing

plane. Conrm the bers do not exceed the minimum

bend radius.

Step 6: Slide the plastic cover underneath the retaining

bracket on the side compartment as shown.

Figure 22

12. Seal the Closure

Refer to SRP 206-288 (Heat-shrink End Cap Canister Closure Sealing Checklist) to ensure all critical steps for

sealing the closure have been performed accurately.

NOTE: Do not use liquid encapsulant in SCF closures.

12.1 Install Seal

Step 1: Roll the sealing ring over frame (Figure 23) and up

to the end cap.

IMPORTANT: The sealing ring must be installed in the

orientation shown.

TPA-6012

Figure 21

Clip A

Cable tie

TPA-6365

TPA-3449

Figure 23

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