Fiber Optical Splice Closure >> Dome Fiber Optical Splice Closure >> FS-E01

FS-E01 This specification cover the design requirements and characteristics required of fiber optic splice closures to be used on fiber optic cables for branch joint in various installation conditions such as aerial, manholes and wall applications. It is specially designed for both sheath clamping and waterproofing can be done simultaneously also various branching method with 6 inlet port and tow dual cable ports for mid-span branch. This closure has high mechanical strength against any environmental conditions. With this splice closure, you can improve your network system to the higher level.    Other Views - Click on image to change view .

1.      INTRODUCTION 1.1. General This specification cover the design requirements and characteristics required of fiber optic splice closures to be used on fiber optic cables for branch joint in various installation conditions such as aerial, manholes and wall applications. It is specially designed for both sheath clamping and waterproofing can be done simultaneously also various branching method with 6 inlet port and tow dual cable ports for mid-span branch. This closure has high mechanical strength against any environmental conditions. With this splice closure, you can improve your network system to the higher level.   1.2. Description Fiber Optic Splice closure for fiber optic cable may be exposed to severe environmental conditions. The splice closure for fiber optic cable shall provide excellent durability and long-term reliability in those severe conditions.   1.3. Reliability The quality of a fiber optic splice closure is critical to reliable optical transmission performance. The product shall be produced with TL 9000 certified production facilities and quality control system is applied the process from product design to packaging.   2.      FIBER OPTIC SPLICE CLOSURE 2.1. General The closure consists of outer cases, gaskets, trays and inner kits. The splice closures have six main entry ports on one end. The outer cases consists of the body and cable inlet part and constructed of highly chemical resistant material and attached a pressure valve on the body. The trays are able to accommodate 12 individual fiber fusion splices.   2.2. Configuration 2.2.1.    The closure has an air valve on its cover for checking air pressure drop. 2.2.2.    The ribbed body has high mechanical strength against impact and compression. 2.2.3.    The LAP ground connector and ground wire are offered for grounding of the OSP cable. 2.2.4.    Reliable moisture-tight housing with hot-melt type sealing 2.2.5.    Efficient fiber management by splice tray holding structure 2.2.6.    Ease of use for closure assembly 2.2.7.    The closure can be installed in aerial and manhole, pole with provide hangers 2.3. Specification Item FS-E01 Size (L X W X H) 522x211x174mm Weight (kg) 2.5 Inlet ports 6 ports (2 oval) Cable Dia. (mm) Φ8~ Φ24 No. of splice tray 6 Tray capacity 12F Splice capacity  72F Splice method Fusion, Mechanical Splice protector Heat shrinkable sleeve, Ribbon protection sleeve, Mechanical splice Tension Member Galvanized steel wire, FRP   2.4. Feature 2.4.1.    Body (1)         Ribbed cover for greater impact and compressive strength (2)         Air valve for air tightness test. (3)         Hanger connecting part for easy installation.     2.4.2.    Insert (1)          It is possible to operate to do a variety of branch methods by supporting 6 inlet ports and 2 dual ports. (2)         Realize perfect air tightness in closure by sealing gasket and heat shrinkable tube 2.4.3.    Ring (1)         Simple installations with one touch clip method.     2.4.4.    Splicing Part The splice organizer shall accommodate at least 60cm of spare fiber on either side of the splice. The design of the splice organizer shall ensure that the fiber shall not bent to a radius ≤30mm. The splice protector shall restore the mechanical integrity of the fiber and shall not create any residual forces in the fiber. The splice protector may be a suitable plastic heat shrinkable material with an internal stainless steel rod for tension relief   3.      TEST PROCEDURE 3.1. General 3.1.1.   This section specifies the Fiber Optic Splice Closure and its material physical, chemical      environmental and mechanical requirements and the tests to be applied for the determination of compliance to these requirements. 3.1.2.   Sample means all completed assembling closure that finished bonding, grounding and connecting equipments. 3.1.3.   For all measures of optical attenuation need to splice and for the measures of just a   mechanical performance test (no need for optical attenuation test), insert the cable into the splice closure. 3.1.4.    Optical fiber shall be fusion spliced to minimize effect from test environment and shall be protected by heat shrinkable protection sleeve at the splice point 3.1.5.   The samples of cable for a performance test shall be prepared with middle size of diameter which is available 3.1.6.   The wavelength for measurement of optical attenuation shall be 1550±30nm or 1310±20nm and stability shall be under ±0.01dB 3.1.7.    Test will be completed with temperature 20±5?? if there is no and special regulation   3.2. Mechanical characteristics. Item Test Conditions Requirements Cable clamping • Measure the loss after 3 fiber splicing. • Assemble the closure • Measure and compare the loss variation No greater than ± 0.05dB Sheath Retention • Mount the closure in a fixture and measure the initial loss • Apply an axial load of D/45*100kg • After 8hours compare the loss. No mechanical damage Cable Flexing • Inner pressure: 6PSI • Attach a 10kg weight to the cable 1m from the closure • Lower the cable 90˚for 15min. • Repeat the procedure while rotating the closure 90˚® 720˚ No mechanical damage No greater than 1PSI Cable Torsion • Mount the closure and condition the assembly at -20±2?? for 2 hours. • Inner pressure: 6PSI • Twist the cable at D*10mm point • Cycle; CW90˚-> CCW180˚->CW90˚ • Repeat 10cycles. • Repeat the above procedure at 40±2??. No mechanical damage No greater than 1PSI Vertical Drop • Condition the closure at -20±2?? for 2 hrs. • Drop the closure onto a 1/2inch thick concrete floor from 75cm height. No mechanical damage No greater than 1PSI Compression • Condition the closure at -20±2?? for 2 hr. • Measure the diameter or vertical dimension. • Apply a weight of 90kg on 5cm2 area for 15minutes. • Unload a weight and measure the dim. • Repeat the above procedure at 40±2??. No mechanical damage No greater than 1PSI Impact • Condition the closure at -20±2?? for 2 hr. • Impact a closure using a drop-tube from 1m • Impact level: 2.4kg, &2.54cm No mechanical damage No greater than 1PSI Vibration • Inner pressure: 6PSI • Measure the loss after 2 fiber splicing. • Amplitude : 1.0mm(peak to peak) • Frequency : 10~55Hz • Direction : X,Y(2 hours at each direction) No greater than ±1.0dB(on test) No greater than ±0.1dB (after test) No mechanical damage No greater than 1PSI   3.3. Environmental characteristics Item Test Conditions Requirements Temperature and Humidity • Measure the loss after 3 fiber splicing. • Assemble the closure • Temp. cycle -30~60?? • 20Cycle (1cycle is 7hours) No greater than ± 0.1dB No air bubble in the water after test Water resistance • Put the closure into a1.5m depth- water tank for 20days. No evidence of water intrusion. Chemical resistance • Inner pressure: 6PSI • solution: pH2 HCL, NaOH, 10% IGEPAL • Submerge for 120hours into the solution. • Impact/compression Test No mechanical damage No greater than 1PSI Shall be no change in mechanical integrity or sealing ability.     4.      DELIVERY 4.1.Packing The Closure shall be packed as a complete kit containing all components necessary for installation. Each item is to be covered with a protective material to prevent scratching or damage during shipping or storage. Complete assembly and installation instructions in English shall be provided with each packaged unit.   4.2. Marking The details given below shall be distinctively marked in English with a weatherproof material on at least two sides of the shipping carton. l The company to be delivered l The product item l Country of origin l Manufacturer's name and/or trademark l Date of manufacture l Caution mark   Each Closure shall be marked with the company, the month and year of manufacture and the Trade mark and/or name of manufacturer in legible color.   5.      ALL OF COMPONENTS       Items Descriptions Unit Q’ty Remarks A Outer Body SET 1   B Splice Tray EA 6 Option C Cable Inlet Port SET 1   D Heat Shrinkable Tube EA 5 Option E Splice Tray Band EA 1   F Unit Protection Tube EA 2 Option G Aerial Hanger SET 1 Option H Cable Tie EA 16   I Grounding Wire EA 6 Option J Band Clamp SET 1   K Cleaning Tissue EA 2   L Sand Paper EA 2   M Silver Foil Tape EA 2   N Silica Gel EA 1   O Splice Protection Sleeve EA 72 Option