This will put a twist in the cable for every turn on the spool!
During The Installation Inspect all installation workmanship during the installation itself so any problems can be identified and solved before they become major issues.Cable Type Application Advantages Tight Buffer Premises Makes rugged patchcords Distribution Premises Small size for lots of fibers, inexpensive Breakout Premises Rugged, easy to terminate, no hardware needed Loose Tube Outside Plant Rugged, gel or dry water-blocking Armored Outside Plant Prevents rodent damage Ribbon Outside.These various enclosures, cabinets, racks and panels are used to protect and organize splice and termination points.Typically 144 fibers in ribbons only has a cross section of about 1/4 inch or 6 mm and the jacket is only 13 mm or 1/2 inch diameter!Cable Jacket: The outermost layer of protection for the fibers which is chosen to withstand the environment in which the cable is installed.Training All personnel involved in any fiber optic installation must be properly trained and familiar with the tools, components and processes to be use during the installation.This type of cable is ideal for outside plant trunking applications, as it can be made with the loose tubes filled with gel or water absorbent powder to prevent harm to the fibers from water.Unlike the long distance links, these fiber links generally use multimode fiber, sometimes even step-index PCS fibers for their low speed signals.This cable has the most fibers in the smallest cable, since all the fibers are laid out in rows in ribbons, typically of 12 fibers, and the ribbons are laid on top of each other.
This is a strong, rugged design, but is larger and more expensive than the distribution cables.
Installation of the cable must be carefully done to prevent snagging and kinking the cable as it is pulled among the numerous hazards in a typical building installation.
Be careful when installating cables to avoid stress, hazards that may snag cables and kink them or installing cables where heavier cables may be placed on top of them.
One new development is the usage of prefab cabling already terminated with weather-sealed connectors.
Splices on underground cables are generally stored above ground in a pedestal or in a vault underground.Many new high voltage distribution lines have optical fibers in the center of the ground wire (opgw - optical power ground wire) that are used for grid management and communications, sometimes even leasing lines to telcos for long distance signals.Cable designs are optimized for the application: cables in conduit for pulling tension and resisting moisture, buried cables for resisting moisture and rodent damage, aerial for continuous tension and extreme weather and undersea for resisting moisture penetration.Premises cabling standards, also called structured cabling standards, are covered in the TIA-568 standard for commercial building cabling, installed in a "star architecture" Fiber has become so popular for premises applications that the appropriate industry standard, TIA-568, allows fiber in the backbone, to the desktop.Bend insensitive fiber allows fibers to be packed into cables with much higher density since the fibers are not as sensitive to the stress caused by the crowded fibers.Fiber Number Color 1 Blue 2 Orange 3 Green 4 Brown 5 Slate 6 White 7 Red 8 Black 9 Yellow 10 Violet 11 Rose 12 Aqua Choosing Cables Choosing a fiber optic cable for any given application requires considering installation and environmental requirements plus.Simplified logistics, we now only have to maintain one fleet of modular multi-purpose test equipment.Telephone companies and the Internet (which started on the telco backbone) all use lots of fiber optics, all of which is singlemode and most of which is outside buildings.All cables installed indoors must be rated for flammability per the NEC, CEC or similar safety organizations worldwide. .With two multimode fibers now in common use,.5/125 and 50/125, and four versions of 50/125 fiber, a more comprehensive industry standard for color codes was required.More information on installation.Training must also include all safety procedures.Another advantage of ribbon cable is Mass Fusion Splicers can join a ribbon (12 ameristar casino resort spa black hawk fibers) at once, making installation fast and easy.Usually these also include cable management - without this the cables start looking like spaghetti flying everywhere in a short time!
During that time, most fiber installations used.5/125 (OM1) or fddi-grade fiber (fddi was the first 100 Mb/s network based solely on fiber) while copper went through 2 grades of coax cable, shielded twisted pair and Categories 3, 4, 5, 5E, 6 and 6A unshielded.
Cable installed by direct burial in areas where rodents are a problem usually have metal armoring between two jackets to prevent rodent penetration.
After both ends of a fiber are terminated, end to end loss should be tested and documented immediately upon completion.