Dome Heat Shrinkable Fiber Optic Splice Closure (FOSC)
Contents
1. Entry exit tube single 5 2 Step Two Determine length of fiber cable to be fixed and stripped inside FOSC 5 2 1 If all fibers are for branch splicing please refer to Drawing 2 A for stripping length 5 2 2 If some fibers are for straight through while others are for branch splicing please refer to Drawing 2 B for stripping length 5 2 3 See Drawing 2 CY Fiber Optic Splice Closure FOSC SPM037 12 1 12 Important issues 1 Reserve enough length of fiber cable to be spliced 2 Stripping length also could be decided by customers according to installation requirement 90mm sealing and fixing length of fiber cable inside entry exit tube Drawing 2 A 90mm sealing and fixing length of fiber cable inside entry exit tube Fiber cable for straight through after being winded Drawing 2 B 5 3 Step Three Strip off protective coat of fiber cable and fiber 5 3 1 Strip off protective coat of fiber cable from the temp locating mark with the cutter and the Temp locating mark stripper please refer to Drawing 2 for stripping length Stripping length also could be decided according to installation requirement 5 3 2 See Drawing 3 Important issues If it is difficult to pull all the protective coat of fiber cable at one time strip it off section by section to avoid fiber breakage Stripping terminal fiber cable Entry terminal fiber cable Gutta Drawing 3 GRY Fiber Optic Splice Closure FOSC SPM02. Dome Heat Shrinkable Fiber Optic Splice Closure FOSC FOSC SPM037 12 1 12 Installation Manual 2014 GORY Fiber Optic Splice Closure FOSC SPM037 12 1 12 1 Scope of application This Installation Manual suits for the Fiber Optic Splice Closure Hereafter abbreviated as FOSC as the guidance of proper installation The scope of application is aerial underground wall mounting duct mounting and handhole mounting The ambient temperature ranges from 40 C to 65 C 2 Basic structure and configuration 2 1 Dimension and capacity Outside dimension Height x Diameter 288mm X 178mm Weight excluding outside box 1550 g 1740g Number of inlet out ports 4 pieces in general Diameter of fiber cable 8mm 20 mm Capacity of FOSC Bunchy 4 48 cores 2 2 Main components No Name of components Quantity Usage Remarks 1 FOSC cover 1 piece Protecting fiber cable splices Height x Diameter in whole 208mm x 132mm 2 Fiber optic splice tray 1 piece Fixing heat shrinkable Suitable for FOST Max 4 protective sleeve and holding Bunchy 4 6 8 12 cores trays fibers 3 Fiber holding tray 1 piece Holding fibers with protective coat 4 Base Iset Fixing internal and external structure 5 Plastic hoop 1 set Fixing between FOSC cover and base 6 Seal fitting 1 piece Sealing between FOSC cover and base 7 Pressure testing valve After inject a
3. E Hig x Ze fe am 2 FOST cover protective coat Fiber Drawing 5 ep rove at shrinkable fixing sleev e mass Adhesive tap Aanesive tape Fixing device reinforced core A 5 E 8 z 2 av ie x 2 2 5 3 EE E 2 gt E a 2 2 5 5 s R2 2 2 x5 9 a Es f 5 23 E amp g m 5 6 Step Six Splice fibers 5 6 1 Follow user manual of fusion splicing machine to splice fiber Important issue pay attention to the twist and bend of fiber 5 7 Step Seven Install heat shrinkable protective sleeve and house fibers 5 7 1 When having completed splicing the fibers the first fiber ring should be housed on the farthest side of FOST the remaining fiber optic should be winded forming a ring with diameter not less than 80mm then put it into FOST Fiber Optic Splice Tray together with heat shrinkable protective sleeve Firstly fix heat shrinkable protective sleeve into the slot then enlarge the diameter of fiber ring properly 5 7 2 See Drawing 6 Important issue pay attention to the twist and bend of fiber CY Fiber Optic Splice Closure FOSC SPM037 12 1 12 Fiber bunchy or ribbon Heat shrinkable protective sleeve bunchy or ribbon Fixing slot of heat shrinkable protective sleeve bunchy or ribbon bunchy or ribbon Nylon tie Nylon tie Fiber with protective coat Fiber with protective coat Drawing 6 5 8 Step Eight Check up comprehensi
4. name and model of the product etc The fibers reserved are to be winded in fiber optic splice Fiber storage tray FOST the length of fibers housed in FOST is gt 1 6m the curved radius is gt 30mm During the device installation and maintenance there should be no attenuation on fibers P Inside FOSC metallic components of fiber cables has the Electrical i i Sins functions of electrical putting through earthing jointing device connection and disconnecting It is possible to install At least 3 earthing deriving device outside the housing sets After sealing according to the stipulated operation sampled Seali procedures the injected air pressure is 100KPa 5Kpa each time ealing formance when immersed in clean water of normal temperature for P 15 minutes there should be no air bubbles then observed At least 3 sets for 24 hours there should be no change of air pressure sampled each After reopening and resealing according to the stipulated ume operation procedures the injected air pressure is 100KPa Re sealing 5Kpa when immersed in clean water of normal performance temperature for 15 minutes there should be no air bubbles then observed for 24 hours there should be no change of air pressure P Bearing pull is 800N at axle orientation there should be ull no breakage on the housing Punching Bearing pressure of 2000N 10cm for 1 minutes there should be no breakage on the housing Impact Bearing impact energy
5. of 16N m 3 times of impacts there should be not breakage on the housing za 14 GORY Fiber Optic Splice Closure FOSC SPM037 12 1 12 Bending The spot between the FOSC and seal fitting can bear bending tension of 150N at bending angle of 45 for 10 circles there should be no breakage on the housing Torsion Bearing torsion 50N m 10 circle at torsion angle 90 There should be no breakage on the housing Temperature circle Injected air pressure of 60KPa 5 KPa the temperature circle ranging from 40 C 65 C 10 times of the circular tests one circular consists of high temperature for 2 hours indoor temperature for 2 hours low temperature for 2 hours indoor temperature for 2 hours when the pressure declines the amplitude is 5Kpa immerse the swatch in clean water of normal temperature for 15 minutes there should be no air bubbles Voltage resistance strength After sealing the FOSC according to the stipulated operation procedures immerse it in clean water of normal temperature in 1 5m depth for 24 hours there should be no breakdown or arc over between the metallic components of the FOSC between metallic components and the ground at DC 15KV for 1 minutes Isolating resistance After sealing the FOSC according to stipulated operation procedure immerse it in clean water in 1 5m depth for 24h the isolating resistance between the metallic components of th
6. 37 12 1 12 5 4 Step Four Separate fiber cores and prepare work prior to fixing fiber cable 5 4 1 5 4 2 5 4 3 5 4 4 5 4 5 5 4 6 5 4 7 Wind 2 layers of insulation tape on protective coat of fiber core for protection Meanwhile get rid of the stuffing to separate fiber core and clean them Form a ring with the diameter of 100mm or so and fix it on the fiber temporarily by adhesive tape Depending on fiber cable stripped the following two cases are available All fibers are to be branched after being spliced completely Some of fibers are for straight through after being winded while the others are for branch splicing The FOSC is provided with 3 single entry exit tubes which suit for single fiber cables with max diameter 16mm and 1 mass entry exit tube which suits for 1 piece of fiber cable with max diameter 20mm or 2 pieces of fiber cables with max diameter 15mm or multi pieces of fiber cables with short diameter Mass entry exit tube is required if some fibers are for straight through The corresponding entry exit tube cover could be slightly knocked out with screwdriver from inside to outside according to number and diameter of fiber cable required Reserve reinforced core in 70mm length and cut off the unnecessary ones See Drawing 4 and Drawing 5 Important Issues Entry exit tubes are to be selected accurately to make it easy for splicing and sealing CY Fiber Optic Splice Closure FOSC S
7. PM037 12 1 12 Adhesive tape Fiber Straight through fiber with protective coat Adhesive tape Adhesive tape Fiber with protective coat Drawing 4 protective coat Reinforced core Fiber with Reinforced core Fiber cable 1 Fiber cable 2 Fiber cable 3 Je Je gt 5 5 Step Five Fixation of reinforced core and pyrocondensation fixation amp sealing of fiber cable 5 5 1 Insert fiber cable into the corresponding heat shrinkable fixing tube further insert the them into entry exit tube at the bottom of FOSC 5 5 2 Demount fixing nut of reinforced core with a special wrench plastic one which is to be inserted into the fixing slot afterward and tighten it Then retighten it with a metal wrench the metal wrench is to be provided by operator 5 5 3 Hitch heat shrinkable fixing sleeve to the fiber cable till its root by hand 5 5 4 Please refer to Drawing 5 for installing branching clip 5 5 5 Heat shrinkable fixing sleeve with fire sprayer to make it hugging entry exit tube and fiber cable to reach complete sealing 5 5 6 See Drawing 5 Important issue 1 Fixing nut of reinforced core should be tightened 2 While heating heat shrinkable fixing tube should shrink evenly and there 9 CY Fiber Optic Splice Closure FOSC SPM037 12 1 12 should be no bubbles pores and other defects inside the tube 2 Sh 8 D v E 2 on gs See
8. e FOSC between the metallic components and the ground should be 2x10 M At least 3 sets sampled each time At least 3 sets sampled each time 15
9. inkable 14 Insulating tape 1 reel Additional winding of cable 3 Necessary tools for installation 3 1 Supplementary materials to be provided by operator Name of materials Usage Scotch tape Labeling temporarily fixing Ethyl alcohol Cleaning Gauze Cleaning 3 2 Special tools to be provided by operator Name of tools Usage Fiber cutter Cutting off fiber cable Fiber stripper Strip off protective coat of fiber cable Combo tools Assembling FOSC GRY Fiber Optic Splice Closure FOSC SPM037 12 1 12 3 3 Universal tools to be provided by operator Name of tools Usage and specification Band tape Measuring fiber cable Pipe cutter Cutting fiber cable Electrical cutter Take off protective coat of fiber cable Combination pliers Cutting off reinforced core Screwdriver Crossing Paralleling screwdriver Scissor Cutting off aramid yarns Waterproof cover Waterproof dustproof Metal wrench Tightening nut of reinforced core 3 4 Splicing and testing instruments to be provided by operator Name of instruments Usage and specification Fusion Splicing Machine Fiber splicing OTDR Splicing testing Provisional splicing tools Provisional testing Fire sprayer Sealing heat shrinkable fixing sleeve Notice The above mentioned tools and testing instruments should be provided b
10. ir it is used for Configuration as per pressure testing and sealing requirement testing 8 Earthing deriving 1 set Deriving metal parts of fiber devi cables in FOSC for earthing evice connection GORY 2 3 Main accessories and special tools Fiber Optic Splice Closure FOSC SPM037 12 1 12 No Name of accessories Quantity Usage Remarks 1 Heat shrinkable protective 12 pieces Protecting fiber splices sleeve 2 Nylon tie 12 pieces Fixing fiber with protective coat 3 Heat shrinkable fixing sleeve 3 pieces Fixing and sealing single fiber for round inlet cable 4 Heat shrinkable fixing sleeve 1 piece Fixing and sealing single cable for oval inlet or mass cables 5 Branching clip 1 piece Branching fiber cables 6 Earthing wire 1 piece Putting through between Configuration as earthing devices per requirement 7 Dry agent 1 bag Put into FOSC before sealing for desiccating air 8 Labeling paper 2 pieces Labeling fibers 9 Special wrench 1 piece Tightening nut of reinforced core 10 Metal hoop 1 set For wall mounting and pole Configuration as hugging per requirement 11 Buffer tube 1 piece Hitched to fibers and fixed with FOST managing buffer 12 Aluminum foil paper 1 piece Protect the bottom of Fiber Optic Splice Closure and cable inlet outlet tubes when heat the heat shrinkable sleeves 13 Abrasive paper 1 piece Abrasion of the cable surface before termoshr
11. stem which is to be fixed by hoop fixing bolt then 5 9 4 FOSC installation Aerial application fix metal hoop and transom to the pole Please refer to Drawing 8 2 Wall mounting application fix the bracket on the wall with bolt metal hoop is not required Underground application metal hoop is not required 5 9 5 See drawing 8 Important issues 1 Pay attention while installing plastic hoop 2 The specification of bolt for fixing the bracket is M8 CY Fiber Optic Splice Closure FOSC SPM037 12 1 12 FOSC cover Logo Hoop metal Hooplocating bolt Hoop locking system 4 Transom metal Hoop left Ci Zs S Br t metal Irr Base Meat shrinkable fixing Pmitry exit tube sleeve mass w Heat s KAOTE TAMIS d H J Hoop right sleeve single Branching clip Iber Cable Fiber cable CRY Fiber Optic Splice Closure FOSC SPM037 12 1 12 6 Fiber Optic Splice Closures FOSC inspecting and testing items Inspecting type Inspecting F Routine test item Technical Requirements Before leaving Type test factory Each small package contains one fiber optic splice Package closure together with its accessories tools installation manual and packing list Intact in shape no burrs bubbles chaps pores warps full Appearance impurities and other defects all background colors should be even and continual Sign There is a clear sign on the housing such as
12. vely To ensure the technical requirements the following instructions must be followed 5 8 1 Fibers with protective coat are fixed with nylon tie at the entrance of FOST 5 8 2 Grommet should be pressed from inside to outside in order to properly install FOST 5 8 3 Straight through and reserved fibers with protective coat should be winded to the fiber holding tray 5 8 4 Check whether the internal tighteners and fixing nut of reinforced core are well tightened 5 8 5 Check whether seal fitting is installed neatly and smoothly 5 8 6 Check whether heat shrinkable fixing sleeve is reliable and sealing completely 5 8 7 See Drawing 7 Important issues If any problems occur they should be solved right away CY Fiber Optic Splice Closure FOSC SPM037 12 1 12 Grommet FOST cover Fiber holding tray traight through fiber with protective coat FOST Nylon tie Nylon tie iber wit protective coat Fiber with Fixing device for protective coat reinforced core Earthing device AN Reinforced core m ay Reinforced core Base G Bracket Seal fitting ol o eat shrinkable fixing sleeve mass l f Branching clip I Fiber cable Fiber cable 3 Heat shrinkable a fixing sleeve single i Fiber cable 1 Drawing 7 5 9 Step Nine Assemble FOSC housing and fix FOSC 5 9 1 Put desiccant into FOSC 5 9 2 Put FOSC cover on base directly 5 9 3 Install plastic hoop between FOSC cover and base tighten hoop locking sy
13. y the operators themselves CY Fiber Optic Splice Closure FOSC SPM037 12 1 12 4 Installation flow chart 1 Open the closure 2 Determine length of fiber cable to be fixed and stripped inside FOSC 3 Strip off protective coats of fiber cable and fiber 4 Separate fiber cores and prepare work prior to fixing fiber cable 5 Fix reinforced core and pyrocondense fix and seal fiber cable cable 6 Splice fibers 7 Install heat shrinkable protective sleeve and house fibers 8 Check up comprehensively 9 Assemble FOSC housing and fix FOSC 5 The process of installing FOSC 5 1 Step One Open the closure 5 1 1 Cleaning the locale and determine where to install the FOSC and then place fiber cables required 5 1 2 Check whether the main components and accessories have been well prepared inside the 5 CY Fiber Optic Splice Closure FOSC SPM037 12 1 12 package 5 1 3 Open the closure Demount hoop fixing bolt and pull hoop locking system out then proceed in demounting the hoop Pull the FOSC cover upwards out installation could begin 5 1 4 See Drawing 1 Important issues If the weather condition is not good enough then a tent must be pitched for waterproof and dustproof Hoop left Hoop right Hoop connector Hoop fixing bolt FOST Fixing slote shrinkable protective sleeve Fixing shelf for FOST FOSC cover Grommet Fixing device for reinforced core Seal fitting
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