CommScope SCIL-B Manuale utente

Gel-sealed Splice Closure In-Line

Contents 1 General

1.1 Installation instruction description

1.2 Product description

2 Sizing and product kit

Information

2.1 Dimensions

2.2 Kit content

2.3 Additional tray kit

3 Installation conditions

precautions

4 Cable installations

(Floating cable bracket)

5 Cable installation (Fixed cable bracket)

6 Fiber preparation

6.1 When using Tray 24

6.2 When using Tray 48

6.3 When usingTray 12(Thin Tray)

7 Splicing and fiberstorage

8 Closing of the closure

9 Field mounting of the closure

10 Re-opening

1 General

1.1 Installation Instruction description

Theinstallation instruction describes the necessary steps to install the SCIL-B.

The installation instruction illustrates the use on loose tube cables. If other cable types (slotted

core or central core) are used, supplementary installation steps have to be made. Contact the

local agent to get the relevant accessories and instructions.

1.2 Product description

TheSCIL-B splice closure in-line is a gel-sealed fiber optic splice closure designed for cable joint

applications in the telecom outside plant network. Theclosure has maximum splicingcapacity of

192 splicesand is suitablefor deploymentin aerial,undergroundor directburied environments.

Sealing is achieved via built-in gel technology, resulting in extremely convenient re-entry and re-

sealing. Theclosure has four cable ports, two onboth sides.

2 Sizing and product kit information

2.1 Dimensions

Cable diameter range in port 8 - 20 mm (8 – 17 mm if using 4x48 tray)

Outer closure dimension 367 x 182 x 106 mm

SCIL-B

INST A L L A TION INSTRUCTION

TC-1362-1-IP

Rev A, Aug 2017

www.commscope.com

EM1356-001

Rev. A

2.2 Kit content

*Standard kit is listed below, alternative kits and accessories are available.

1. Body and cover

2. Splicing tray with splice holder

3. Cable attachment bracket

4. Strength member lug

5. Transportation tubes

6. Set of sealing blocking rings

7. Gel strip

8. Cable plug

9. Cleaning tissue

10. Installation instruction

11. Fusion splice protectors

12. Tie wraps

2.3 Additional tray kit

2.3.1 Tray kit – Tray 24

1. Splicing tray with splice holder (Using Tray 24)

2. Fusion splice protectors

3. Transportation tubes

4. Tie wraps

2.3.2 Tray kit –Tray 48

1. Splicing tray (Using Tray 48)

2. Fusion splice protectors

3. Transportation tube

4. Tie Wraps

3 Installation conditions precautions

3.1 The closures can be installed at temperature between

-5°C and 40°C.

3.2 Follow the installation instruction steps to ensure the

performance of the closure.

3.3 It is necessary to take precautions and keep the

working space clean to protect the closure sealing materials and

splices.

4 Cable Installation (Floating cable bracket)

4.1 Looped Cable

4.1.1 Make a window cut of 2600mm

4.1.2 Cut the loose tube of the to be spliced fibers in the

middle (1300mm) and continue the installation on 4.3

4.2 Drop cables

4.2.1 Remove the cable sheath over 1300 mm.

4.3 Cut the strength member on both sides at a distance

of 50 mm from the cable window cut.

4.4 Install the strength member into the holding lug and

secure the lug to the cable attachment bracket with the bolt.

4.5 Terminate and secure the cable attachment bracket to

the cable sheath with the cable hose clamp.

4.6 Assure that the lug lip, the securing bolt and the hose

clamp head are positioned downwards to the bottom of the

closure. Protect the cable hose clamp and the termination with

some layers of PVC tape.

4.7 Clean the cable sheath with the cleaning tissue

4.8 Select the appropriate blocking rings according to the

cable outer diameter. It is preferred that the blocking ring is

slightly larger than the cable diameter.

4.9 Cut the selected rings on the mark.

4.10 Insert the cable attachment bracket into the bracket

holding slot as shown.

4.11 Mark the cable where blocking rings will be installed as

shown. Install the rings over the cable with the slit positioned

under the cable.

4.12 Wrap gel strip around cable between the two blocking

rings. Press first part of the strip onto the cable to ensure the

strip sticks to the cable firmly. Make sure the strip is wrapped

smoothly without twisting between layers.

4.13 Verify with a flat tool. Continue wrapping the strip

smoothly till the area between the two blocking rings is filled with

gel strip.

4.14 At the cable port where cable will be installed, install

two pieces of black tie wraps.

4.15 Position the cable with the pre-installed cable sealing

block into the cable port and insert the cable attachment bracket

into the holding slot as picture shown.

4.16 Secure the cable with the black tie wraps.

4.17 Apply unused cable ports with cable plugs. Wrap cable

plug with gel strip in the same way as wrapping cable.

50mm

4.18 Install a cable plug (hole towards outside) in all unused

closure cable ports.

5 Cable Installation (Fixed Cable Bracket)

5.1 Repeat the step 4.1 – 4.2

5.2 Cut the strength member on both sides at a distance

of 30 mm from the cable window cut.

5.3 Mark at 55mm and 90mm from the cable jacket end.

5.4 Repeat installation step 4.8 -4.9. Install 2pc ring trees

over the cable.

5.5 Wrap the cable with gel strip. Verify with a flat tool.

Continue wrapping the strip smoothly till the area between the

two blocking rings is filled with gel strip.

5.6 Remove the block when cable OD>16mm.

5.7 Tighten the screw to secure the strength member.

30mm

5.8 Make sure the ring tree in the slot and secure the

cable.

5.9 Secure the cable with UV-resistant tie wrap

5.9.1 Apply unused cable ports with cable plugs. Wrap cable

plug with gel strip in the same way as wrapping cable.

5.9.2 Install a cable plug (hole towards outside) in all unused

closure cable ports.

6 Fiber preparation

6.1 When using Tray 24

6.1.1 In case of a looped cable, coil the loops and store

them in the space in front of the tower of the closure (loops can

be stored around the tower as well).

6.1.2 Remove the loose tubes of the to be spliced fiber

bundles up to 150 mm from the cable jacket (see drawing 5.1.4).

6.1.3 Degrease the fiber bundle. Slide the transportation

tubes over the fibers up to 50 mm from the cable jacket end (see

drawing 6.1.4).

6.1.4 Sketch for tube installation.

6.1.5 Route the transportation tubes to the tray entrance.

Always route the tubes around the tray tower before entering the

tray.

6.1.6 Secure the transportation tube at the splice tray

entrance with two tie-wraps.

6.2 When using Tray 48

6.2.1 In case of a looped cable, Coil the loops and store

them under the tray, and use tie wraps to tie up the bundle。

6.2.2 Remove the loose tubes up to 100mm from the cable

jacket end。

6.2.3 Degrease the fiber bundle and slide the transportation

tubes over the fibers with overlap 100mm

6.2.4 Route the transportation tubes to the tray entrance as

shown.

6.2.5 Secure the transportation tube at the tray entrance

with two tie wraps

100 mm

50 mm

6.2.6 Store fibers on the tray properly.

6.2.7 Remove/Install tray 48 as following shows

6.3 When using Tray 12 (Thin tray)

6.3.1 Same as 6.1.1

6.3.2 Same as 6.1.2

6.3.3 Degrease the fiber bundle. Slide the thicker

transportation tubes over the fibers up to 50 mm from the cable

jacket end and then insert the thinner transportation tube into the

thicker one with overlap 30mm (see drawing 6.2.4).

6.3.4 Sketch for tube installation.

6.3.5 Same as 6.1.5

6.3.6 Insert the thinner transportation tube to the splice tray

entrance directly.

7.1

Splicing and fiber storage

Position the SCIL-B close to the splicing machine

in a convenient location and secure the closure.

7.2 Slide the heat-shrinkable splice protection over one

fiber and fuse fibers according to local recommendations and

procedures. After the fusion splice is made, install the heat-

shrinkable splice protection (e.g. SMOUV) with an appropriate

heating source. Allow the splice protection to cool down to

ambient temperature.

7.3 After each splice is made, the splice should be stored

in the splice holder in the appropriate position. Do not deform the

splice protector during insertion.

7.4 Incoming fibers should be routed first behind the splice

holder before the over-length is coiled into the tray. Route the

fibers through the cross of the tray as shown.

30mm Thinner tube

7.5 In case of two or more trays, use tray wedge to keep

the upper trays in upward position during installation on lower

tray.

7.6 After use, the tray wedge can be stored on the tower

underneath the installed trays.

7.7 Put on butterfly tabs and tray lid to secure the fiber if

using 48 trays

7.8 Secure the trays by the Velcro.

8 Closing of the closure

8.1 Close the cover by closing the latches in the proper

sequence shown in 7.2.

7.2

9 Field mounting of the closure

9.1 Termination on aerial cables. Use the special designed

bracket to secure the closure onto the supporting wire of the

aerial cable. Install the two pieces bracket facing with bowing

outwards to interlock the aerial cable.

9.2 Termination in manholes. Secure the closure to the

manhole frames with bolts in the provided positions on the

bottom part of the closure.

10 Re-opening

10.1 Remove the latches in the reversed order as

described in 7.2.

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