1. Scope of appliiation 2. Basic structure and configuration
Contents
1. and accessories inside the package 5 1 3 Open the closure have been well prepared D 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 3 Important issues If the weather condition is not good enough then a tent must be pitched for waterproof and dustproof FOSC hoop left FOSC hoop right FOSC hoop left FOSC hoop right Fixing slot of heat shyinkable protective sleeve Grommet Fixing deviee for reinforced core Inlet outlet tude Drawin gl 5 2 Step Two Determine length of fiber cable to be fixed and stripped inside FOSC 5 2 1 Fiber cable in 110mm length the distance from small gasket ring to fiber cable pressboard Fiber cable in 1720mm length it is used to be winded and spliced after stripping Fiber with protective coat in 120mm length the distance from the fixing point of fiber cable to the fixing point of FOST fiber optic splice tray Fiber in 1600mm length after stripping off the protectibe coat it is to be winded inside the FOST after splicing with other fibers 5 2 2 See Drawing 2 2 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 110mm fixing length of fiber cable inside inlet outlet tube 1720mm length of protective coat2. 1 Scope of application This Installation Manual suits for the Fiber Optic Splice Closure Hereafter abbreviated as FOSC asthe guidance of proper installation The scope of application is aerial underground pipeline hand holes 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 415mmX190mm Weighttexciuding outside box 2350g 2600g Number of inlet outlet ports 5 pieces t of fiber cable GO 8mnm 20mm of FOSC Bunchy 12 96 cores Ribbon up to 288 cores 2 2 Main components Name of components Usage Remarks Fosc amp jiec Protecting fiber cable Height x Diameter FOSC cover 1 piec p ocal E splices in whole 355mm x 150mm Fiber optic splice tray Max 6 trays Fixing heat shrinkable Suitable for 2 bunchy Bunchy 12 24 cores FOST Max 4trays Protective sleeve and Ribbon 6 pieces ribbon holding fibers Bt um E Fiber holding tray Ipes Holding fibers with protective coat 4 Base I set Fixing internal and external 1 structure E Plastic hoop tts Fixing between FOSC m cover and base I E Seal fitting ipee Sealing between FOSC cover and base A fter inject air it is used for Configuration as per 7 Pressure testing valve 1 set pressure testing and sealing requirement testing BE eos tj DE pest Configuratio
3. ber with Drawing 4 Reinforced core Reinforced core 5 5 Fix reinforeced core and pyrocondense fix and seal fiber cable 5 5 1 This FOSC is probided with 4 inlet outlet tubes which suits for fiber cable with max Diameter 16mm 5 52 SDS After deciding number of fiber cable inlet outlet demount the nut gasket and gasket ring of the corresponding inlet outlet tubes according to the diameters of fiber cables actually to be installed insert them into fiber cable in sequence then insert fiber cable into inlet outlet cable tighten the nut in order to seal properly While diameter is small enlarge the diameter with seal tape at fixing position of small gasket ring of which the perimeter is to be measured with measuring paper Fix fiber cable to the fixing seat press it with the pressboard While diameter is small enlarge the diameter with insulation tape at the fixing pseition of fixing seat Demount the nut of fixing device of reinforced core with special wrench plastic one set the reinforced core into fixing slot tighten the nut retighten it with metal wrench metal wrench to be probided by operator 5 5 6 See Drawing 5 Important issues Fixing nut of reinforced core should be tightened Fiber Keep a fixed tape with temporary fiber optic Adhesive tape Fiber holding tray Fiber FOST cover protecitive coat Fixing device for reinforeed core Drawing 5 The fiber optic cabl
4. by operator Name of tools Usage and specification Measuring fiber cable Cutting fiber cable Take off protective coat of fiber cable Cutting off reinforced core Crossing Paralleling screwdriver 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 ion Splicing Machine Fiber splicing OTDR Splicing testing Provisional splicing tools Provisional testing Notice The above mentioned tools and testing instruments should be provided by the operatore themselves 4 Installation flow chart 1 Open the closure to be fixed and stripped inside FOSC 2 Determine length of fiber cable 3 Strip off protective coats of fiber cable and fiber 4 Separate fiber cores and prepare work prior to fixing fiber 4 5 Fix fiber cable and reinforced core _ 6 Splice fibers L pi ER 7 Install heat shrinkable protective sleeve and house fibers 8 Check up comprehensively TT 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
5. e hot fixed set takes care of many root Flamethrower 3 g S z s H amp Ej T al amp E D Zo Es 25 2 lt S 2 3 iz i 3 Ei 25 E amp i i2 5 HE az 5 6 Step Six Splice fibers 5 6 1 Follow user manual of fusion splicing machine to splice fiber Important issues Pay attention to the twist and bend of fiber 5 7 Step Seven Install heat shrinkable protectibe sleeve and house fibers 5 7 1 When having completed splicing the fibers the first fiber ring should be housed on the fatthest side of FOST The remaining fiber 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 protectibe sleeve into the slot then enlarge the diameter of fiber ring properly 5 7 2 See Drawing 6 Important issues Pay attention to the twist and bend of fiber Fiber bunehy or ribbon Heat shrinkable rotective sleeve Fixing slot of heat P shrinkable protective slecve bunchy or ribbon Nylon tie Nylon tie Fiber with protective coat Fiber with protective coat Drawing 6 5 8 Step Eight Check up comprehensively To ensure the technical requirements the following instructions must be followed 5 8 1 Fibers with protective coatare fixed with nylon tie at the entrance of FOST 5 8 2 Grommet should be pressed fro
6. igh 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 the FOSC between the metallic components and the ground should be 2x10 M Q 3 13
7. ipulated operation procedures the injected Sealing air pressure is 1OOKPa t 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 After reopening and resealing according to the stipulated operation rocedures the injected air pressure is 100kpa 5Kpa when immersed in Re sealing d i i g p clean water of normal temperature for 15 minutes there should be no air performance bubbles then observed for 24 hours there should be no chang pressure Bearing pull is 2 800N at axic orientation there should be no breakage Pull on the housing Bearing pressure of 2000N 10cm for I minutes there should be no Punching breakage on the housing Bearing impact energy of 16N m 3 times of impacts there should be not Impact 3 breakage on the housing At least 3 sets sampled At least 3 sets each time sampled each time a 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 SON 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 h
8. m inside to outside in order to properly install FOST 5 8 3 If there are fibers with protective coat reserved available wind it into the fiber holding tray 5 8 4 Check whether the internal tighteners and reinforced core are well tightened 5 8 5 Check whether gasket ring is installed neatly and smoothly without any breakage If not leve it up with seal tape 5 8 6 See Drawing 7 Important issues If any problems occur they should be solved right away Crommet Fiber holding tray FOST cover Fiber with protective coat Nylon tie Fiber with Fixing device for protective coat reinforeed core Reinforced core The fiber optic cable hot fixed set takes care of The fiber optic cable hot single root fixed set takes care of many root Disagree card Fibet cable 2 Fibet cable 1 Fibet cable 3 Drawing 7 res 5 9 Step Nine Assemble FOSC housing and fix FOSC 5 9 1 Put FOSC cover on base directly 5 9 2 Install plastic hoop between FOSC cover and the base tighten hoop locking system Which is to be fixed by hoop fixing bolt then 5 9 3 All nuts plastic ones of base need to be retightened once more 5 9 4 FOSC installation D Aerial application fix metal hoop and transom to the pole Please refer to Drawing 8 Wall mounting application fix the bracket on the wall with the bolt metal hoop is not required 3 Underground application metal hoop is not requi
9. n as per id SELLS 2 IUS requirement L D earthing connection 2 3 Dimension and capacity No Name of accessories Quantity Usage Remarks Heat shrinkable Protecting fiber splices Configuration as per I protective sleeve capacity a stan tie Fixing fiber with protective coat Configuration as per e capacity 3 Earthing wire 1 piece Putting through between carthing To put through as per devices actual requirement 4 Abrasive cloth 1 piece Scratching fiber cables 5 Labcling paper 1 piece Labeling fibers 3 Special wrench 2 piece Installing and tightening nut of reinforced core and nut plastic of inlet outlet tube 10 Metal hoop lea For wall mounting and pole hugging 11 Buffer tube Decided Hitched to fibers and fixed with Configuration as per by FOST managing buffer requirement 1 customers 12 Desiccant 1 bag Put into FOSC before esaling for desiccating air 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 Gauze Cleaning to 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 3 3 Universal toole to be provided
10. of fiber cable to be stripped off 120mm length of fiber with protectibe coat Fiber cable 1600mm length of protectibe coat of fiber to be stripped off Temp locating mark Drawing E 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 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 aboid fiber breakage Inlet terminal fiber cable Temp locating mark Stripping terminal fiber cable Cutter Drawing 3 5 4 Step Four Separate fiber cores and prepare work prior to fixing fiber cable 5 4 1 Wind 2 layers of insulation tape on protective coat of fiber core foe protection Mwanwhile get rid of the stuffing to separate fiber core and clean them Form a ring with the diameter of 100mm or so and fox it on the fiber cable temporarily by adhesive tape 6 5 4 2 Reserve reinforced core in 50mm length and cut off the unnecessary ones 54 3 See Drawing 4 Important issues Inlet outlet tubes are to be selected accurately to make it easy for splicing and sealing rotective coat Adhesive tape Adhesive tape Fi
11. red 5 9 5 See drawing 8 Important issues 1 Pay attention while installing plastic hoop 2 The specification of the bolt for wall mounting is M8 FOSC cover Hoop metal Transom metal e fiber optic cable hot ae fixed set takes care of inlet outlet tube 1 4 single root 6 Fiber Optic Splice Closures FOSC inspecting and testing items Inspecting type Inspecting z Technical Requirements Routine test item Before leaving Type test factory Each small package contains one fiber optic splice closure together with Package its accessories toos installation manual and packing list Intact in shape no burrs bubbles chaps pores warps impurities and other full Appearance defects all background colors should be even and continual amp There is a clear sign on the housing such as name and model of the product ign ete Fiber storage The fibers reserved are to be winded in fiber optic splice tray FOST the length of fibers housed in FOST is gt 1 6m the curved radius is 30mm During the installation and maintenance there should be no attenuation device on fibers t Inside FOSC metallic components of fiber cables has the functions of Electrical s electrical putting through earthing connection and disconnecting It is jointing possible to install earthing deriving device outside the housing device After scaling according to the st
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