CommScope FOSC-450-BS Manuale utente
1
FOSC-450-BS
INSTALLATION INSTRUCTION
Fiber Optic Splice Closure
1 Introduction
2 General
2.1 Abbreviations
2.2 Kit content Unit
2.3 Tools
2.4 Accessories
3 Installation of the closure
4 Cable installation
4.1 Looped cable preparation
4.2 Drop cable preparation
4.3 Cable + strength member termination
for drop and looped cable
4.4 Installation of the closure
5 Installation of the gel block
6 Fiber routing to individual trays
7.1 Fibers routing to the trays (looped cable and track)
7.2 Fibers routing on the trays
7 Shield continuity
8 Closing the closure
9 Important steps
Content
1 Introduction
The FOSC-450 is an environmentally sealed enclosure for the fiber management system that provides the function
of splicing in the external network.
The FOSC-450 has provision for all cable terminations and sealing requirements.
The closure is a single ended design made of a thermoplastic material. The base and dome are sealed with a
clamp, pre installed Gel-O-ring system. For cable sealing, a wrap-around block with 6 ports is used that contains
a pre-installed gel profile. One can terminate 6 cables, with a diameter of minimum 9 mm and maximum 25 mm.
It can be opened and closed repeatedly without the need to replace the gel.
TC-642-IP
Rev A, Feb 2017
www.commscope.com
2
• Dome
• Base with Gel-O-ring system
• Cable attachment plate with tower and tray pre-installed
• Gel block with trigger
• Clamp
• 2 cable retention devices
• 4 plugs for unused ports
• 6 Locking cable attachments
• Silicagel
• Trays with covers and hook and loop fastener (max. 6)
• Tray wedge
• Installation instruction
2.2 Tools
FACC-TUBE-STRIPPER-02 to strip loose tube
FOSC-450-CAPH-B/D workstand
FOSC-A/B-Pole-Mount
FOSC-A/B-Uni-Mount-A.P.R.W.
2.3 Accessories
FOSC-A-Tray- A24 trays
S24
FOSC-ACC-A-Tray- 12 trays
24
FOSC-450-CA-S- 1 cable attachment device
10
FOSC-A-Shield-Con-Kit Shield continuity wire
FOSC-FUNNEL-5+1-Kit Kit to split central core into a
loose tube construction
(1 in, 5 out)
FOSC-FUNNEL-10+1-Kit Kit to split central core into a
loose tube construction
(1 in, 10 out)
FOSC-450-MULTI4/7 Cable entrance kit for up to
4 cables in one port
2 General
2.1 Kit content
3.1 Open the clamp.
3 Installation of the closure
3
3.2 Remove the dome. Take out the frame.
3.3 Fix the work stand to the table. Install the frame on the work
stand. There are two positions to mount it on the work stand
(FOSC-450-CAPH-B/D).
3.4 Cable entrance positions
Looped cable only entrance ports 5 and 6 (see numbers on metal
cross).
4 Cable installation
Before starting: slide the base over the cables !!
4.1 Looped cable preparation
Loose tube cable
4.1.1 Make a window cut of 3.5 m. Cut the strength member at a
distance of 50 mm.
4
4.2.3 Remove the jacket over a length of 1.4 m, cut the strength
members at a distance of 35 mm from the outer jacket. Cut the inner
jacket at 90 mm from the outer jacket.
Modular cable
4.2.4 Remove the jacket over a length of 1,4 m, cut the strength
member at a distance of 40 mm from the outer jacket.
Central core cable
4.1.2 Make a window cut of 4.2 m, cut away the strength member
at a distance of 35 mm from the outer jacket. Cut the inner jacket at 90
mm from the outer jacket.
4.2 Drop cable preparation
Loose tube cable
Central core cable
4.2.1 Remove the jacket over a length of 1.4 m , cut the strength
member at a distance of 50 mm from the outer jacket.
4.2.2 Strip the loose tube at a distance of 55 mm from the outer
jacket, remove and degrease fiber bundle.
50 mm
4.3 Cable + strength member termination for drop and looped
cable
Loose tube cable
4.3.2 Install the strength member termination plate.
4.3.1 When the cable has many loose tubes, one can use the single
bracket. You can use the single bracket when the cable has many loose
tubes.
4.3.3 Tighten the screw.
5
4.3.4 Slide the strength member termination plate into the cable
retention device.
4.3.5 Install the cable retention device on the cable, tighten the hose
clamp.
4.3.6 For two strength members, first bend the central plate
backwards.
Central core cable
4.3.7 Install the strength member termination plate.
4.3.8 Tighten the screws.
4.3.9 Install the cable retention device on the cable, tighten the hose
clamp.
6
4.3.10 Install the strength member bracket.
4.3.11 Install the cable retention device , position the teethes onto the
grommet.
Modular cable Multi-out
4.3.12 Install the hose clamp around the cable retention device.
4.4.1 In case of looped cable, and if the basket is used, install the
cables in ports 5 and 6 (as on drawing).
Mounting cables in case of track joint
4.4 Installation of the closure
4.4.2 Install the cables in port 1 and 2.
7
4.4.3 Secure the loop onto the basket with tie-wraps.
Loose tube cable
4.4.4 In case of max. capacity, no securing onto the basket.
4.4.5 Select a tube and cut in the middle. Strip the loose tube at
20 cm from the outer jacket.
4.4.6 Measure the length of the transportation tube by routing the
transportation tube from the loose tube through the basket to the tray,
mark the tube and cut. Feed the fibers trough the transportation tube.
4.4.7 Routing of the transportation tube to the tray.
8
4.4.8 Use tie-wraps to hold the transportation tube in place in the
basket and the tray.
4.4.9 Place back the looped cable in the basket on top of the routed
fibers to the tray.
4.4.10 Install the spiral tubes of 20 cm on the cable. Fix the spiral tube
on the basket in the middle with tie-wraps and route the bare fiber in the
basket, wrap some foam around the spiral tube for good fixation with
the tie-wrap.
4.4.11 Keep the bare fibers in place using tie-wraps.
9
5.1 Remove the protection from the gel block and open the gel block.
Position the open gel block between the cables. Leave ± 2 cm between
the gel block and the cable attachment plate.
4.4.12 Cut the looped fiber, use transportation tube to route the fiber to
the trays. For the length of the tube, route the tube from the basket to the
tray, mark and cut.
5.2 Before closing the gel block make sure it is clean. Insert the plugs in
the unused ports.
Remark: when installing the plugs be sure not to bend the crowns in the
gel block.
5 Installation of the gel block
10
6.1.1 Direct from the cable to the tray. Strip the loose tube at 55 mm
from the outer jacket.
6 Fiber routing
6.1 Fiber routing to the tray
Loose tube (looped cable and track joint)
6.1.3 For proper routing to the individual trays.
6.1.2 Select a transportation tube that fits over the loose tube. Slide
the transportation tube over the fibers and the loose tube. Place the
transportation tube on the tray, mark at 15 mm of the tray edge and
cut. 6.1.4 Cable installed with single bracklet.
Indice
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