Fiber optic cable splicing procedure how to splice fiber optic cable strip fiber cable jacket. The norland flexible splice enclosure for fiber optic tactical field cable is a unique, easytoassemble solution for protecting fiber optic splices and restoring full cable strength to the repaired section of a cable. Optical time domain reflectometer test fiber otdr s are useful for determination of overall cable quality. Field test procedure for optical fiber link measurements sterlite.
Backscattering the scattering of light in a fiber back toward the source,used to. Fiber optic cable splicing procedure pdf optical fiber. Lead applications engineer ron stanko demonstrates how to prepare the ends of optical fiber loose tube cable for splicing. Deploying a fiber optic physical infrastructure within a converged plantwide ethernet architecture fiber optic cabling systems overview figure 3 permanent link diagram the typical channel is composed of multiple assemblies connected by a combination of the optical fiber connectors on the cable assemblies ma ting into adapters. Workmanship standard for fiber optic terminations, cable. Cable preparation and pulling procedure best practices for.
Generally the minimum bending radius of a fiber cable under load is 20. After fiber optic cables are installed, spliced and terminated, they must be tested. Flexible fiber optic splice enclosure for tactical field cable. Tier 1 testing is the minimum level of testing that is required. Fiber optic cable preparation and termination instructions the right fiber optic tool for the job fiber optic connectors are designed to be connected and disconnected many times without affecting the optical performance of. Using the third inner position of the stripper, strip the same length 35 mm of fiber a second time to remove the thin acrylic coating around the fiber core. Fiber optic termination tutorial we terminate fiber optic cable two ways with connectors that can mate two fibers to create a temporary joint andor connect the fiber to a piece of network gear or with splices which create a permanent joint between the two fibers.
Fiber optic cable products this catalog contains indepth information on the general cable line of fiber optic cable for voice, video and data transmission. Never look directly into the end of fiber cables until you are positive that there is no light source at the other end. Fiber needs protection to survive all the places it gets installed and its the cable that provides it. Fiber optic splicing and termination processes often use various chemical cleaners and. The supplied length of cable is not sufficient to perform the intended job, e. Splicing procedures shall be done as per available fiber optic cable foc splicing instructions or with this procedure. These technical and highly soughtafter skills in the fiber optics industry are taught using a handson approach. Failing to follow such a procedure can result in fibercable damages or high optical power losses after installation. The amount of additional optical fiber cable needed for splicing depends on site conditions, splicing method used, and longrange plans for cable usage.
You can manually splice the fiber patch cord with the help of the procedure shown in the video. So the splicing trailer is temperaturecontrolled and kept spotlessly clean to ensure good splicing. With proper training, a fiber splicing technician can routinely achieve less than 0. Optical fiber cable pulling is generally preferred in. Knowledge of fiber optic splicing methods is vital to any company or fiber optic. The fiber optic tdr is especially useful to determine overall cable length.
Its a great lesson for managers and supervisors too. Fiber optics light transmission through flexible transmissive fibers for communications or lighting. Method statement for optical fiber cable installation project. The cables are brought up to the surface into a splicing trailer where all fiber work is done. This standard describes procedures for installing and testing cabling networks. Boot 2mm and 3mm fiber cable strip 35 mm buffer strip 65 mm outer jacket 11. The submarine fiber optic cable contains the same components as a land cable, except it has more protection. A fiber, multiple fiber or fiber bundle in a cable structure fabricated to meet optical mechanical and environmental specifications.
Bare fiber adapter, glass adapter, or mechanical splice 8. The handling preparation of the fiber optic cable for splicing shall be in accordance with cable and splice enclosure manufactures recommendation and rural utilities service rus bulletin 1753f401 pc2. A filament shaped optical waveguide made of dielectric material. This limitation was overcome by the use of singlemode fibres. This cable is specifically designed to be blown into micro duct, thus the cable incorporates several performance differences from standard outside plant fiber optic cable. In general, there are two methods to link optical fibers together. Standard for installing and testing fiber optic cables. This document provides instructions for the fiber cable technician to properly pe rform fiber cable preparations, routings, splicing, terminations and connections within a c harles industries. Two optical fiber splicing methods are available for permanent joining of two optical fibers. If the conractor working on a 432 fiber cable with a composition of 96 nonzero dispersionshifted fibers. Set the splicing program to match the fiber in use. A cross section of the shoreend of a modern submarine communications cable. Fiber optic cable plant the finished product deliverables. An instrument that splices fibers by fusing or welding them.
Optical fiber cables are designed with a maximum tensile strength. Fiber cable preparation, splicing, and termination. Fiber optic cable preparation and termination fiber optic. Cfo 301 standard for installing and testing fiber optics management, security or fire alarm systems, or any other communications link. Most cfots deal with fiber after installation splicing, terminating ans testingyou, so this section tells what happens before the cfots arrive.
Outside plant osp fiber optic cable installations are typically pointtopoint links with terminations inside buildings and intermediate connections in sealed closures. A closeup look at the proper procedure to perform a fusion splice. The product featured is outside plant osp loose tube fiber cable. Cables installed inside buildings must meet fire codes by using special jacketing materials. The otdr can check for cable problems such as defective cables, splice problems, inadequate bend radius, fiber cable microcracks, etc. Example of the construction of a multi fiber cable ii. Calculating the loss budget for a fiber optic cable plant. Necafoa 301 standard for installing and testing fiber optic cables 2 figure 2. Carefully lift it out of the veegrooves and slide the splice protector along the fiber until it is centered over the splice.
Deploying a fiber optic physical infrastructure within a. Fiber optic cables are ordered in specific lengths as calculated by an osp outside plant. The industrial fiber optics fiber optic connector and splicing module contains three learning activities that cover the basics of attaching connectors and splices to fiber optic cables. Then carefully peel back the jacket and expose the insides. The product and technical sections feature the latest information on fiber optic cable products, from applications and construction to.
Testing fiber optic cables the osi reference model physical data link network transport session presentation application ethernet physical layer optical fiber, twisted pair, coaxial cable, sonetsdh, modem, rs232, etc ip, arp, ipx, x. This document provides instructions for the fiber cable technician to properly pe rform fiber cable preparations, routings, splicing, terminations and connections within the. Smoking should not be allowed around fiber optic work. All dielectric self supporting adss fiber optic cable. The fiber optic connector and splicing module was designed to be used as a supplement for the industrial fiber optics fiber optic demonstration system, although it can be used separately. High precision fusion splicers are usually bulky and expensive. Connect the otdr to one end of a launch cable may also be called a. For termination length, figure on about 2 to 3 meters of additional cable beyond where the terminal will be mounted. How to splice fiber optic cable manually without using electronic. The program will run through its positioning and splicing procedure, and then stop. Fibre optic cable routing the fiber optic cables foc route for all new cables shall be approved by saudi aramco prior to the trenching and cables works. In premises applications, fiber optic cables can be used as the backbone cabling in a standard structured cabling network, connecting network hardware in the computer roommain cross connect. Both methods provide much lower insertion loss compared to fiber.
For infrared light, use a fiber optic power meter to. It defines a minimum level of quality for fiber optic cable installations. The analysis of fusion splice technique on single mode fiber optic. Cables may have from one to hundreds of fibers inside. Record for future reference the cable identification markings, which consist of sheath number, footage, and cable description codes printed on the cable outer sheath. Fiber cable preparation, splicing, and termination instructions cfdp210el24 charles fiber cfdp2 pedlock osp pedestal 1. Splittnz must be conducted with the procedure outlined bv the manufacturer of the equipment with a. Strip back about 3 meters of fiber cable jacket to expose the fiber loose tubes or tight buffered fibers. Pull the pull tape into the conduit, or along the cable path, for an initial measurement, and add to that extra length for splices, terminations, and future access coils, if specified.
Attenuation the opticalloss of fiber per unit coefficient length,expressed in dbkm. Specification standard optical fiber backbone cabling 27 23 the university of new mexico, november 17, 2010 page 4 of 16 optical fibers, unless otherwise specifiedand approved by unm it. Fiber optic cable splicing procedure how to splice fiber optic cable 1. Splicing kit 1 fusion splicer many types and manufacturers are available. Splicing should never be done in places manholes where gases can accumulate. Fiber optic cable splicing procedure pdf free download as pdf file. For every fiber optic cable plant, you need to test for continuity and polarity. Underground installation of optic fiber cable placing.
Use cable rip cord to cut through the fiber jacket. Fiber optic cables need to be connected and disconnected just like their copper counterparts. In this section we will discuss several connection methods and tools. Simplex cables are one fiber, tightbuffered coated with a 900 micron buffer over the 250 micron primary buffer coating with kevlar aramid fiber strength members and jacketed for indoor use. For optical light, look at the fibre from a distance first. Treat fiber optic splinters the same as you would glass splinters. Underground installation of optical fiber cable by pulling. Fiber optic cable splicing, testing and acceptance criteria for. A fiber optic component normally assembled onto a cable and attached. Fiber splicing typically results in lower light loss and back reflection than termination making it the preferred method when the cable runs are too long for a single length of fiber or when joining two different types of cable together, such as a 48fiber cable to four 12fiber cables. Special procedures and handling instructions must be applied for this product. One of the unique features is the central enclosure. The second phase of fibreoptic communication systems, based on ingaasp semiconductor lasers and detectors operating near 1 300 nm became available in the early 1980s, but the bit rate of early systems was limited to below 100 mbits because of dispersion in multimode fibres.
Installation methods for both wire cables and optical fiber cables are similar. Splicing is also used to restore fiber optic cables when a. Fiber optic cable splicing procedure pdf optical fiber cable. Lanscape solutions recommended fiber optic test guidelines.
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