Use the location layout to match any specific pre-engineered staggers to the applicable equipment into which they are being plugged. Future plans for change will be discussed, as well as the bandwidth required. If you don’t have any idea how the process for installation works, better ask assistance from professionals. Accessibility considerations are critical when mounting and/or installing cables. You don’t want your installer to pull a 200-foot cable through its designed route only to discover the wrong cable or the wrong end was pulled (see more information below in section titled “Don’t Pull Too Hard”). Cable Blowing or Jetting in Duct Applications. Choose an optical grade lint free swab that fits easily into the transceiver barrel. Breakout lengths for your cables are the distance from the furcation point (where the individual cables separate from the consolidated, single sheathing) to the end of the connectors. Consider wide body cabinets (wider than 24 inches) along with vertical cable managers (4”, 6” or 12” wide) for core cabinets, main patch cabinets, or cross-connect cabinets. Never twist the fiber cable. For fiber optic cable, use horizontal finger style with front cover cable managers in a 1U or 2U footprint. The yarn should be tied in a knot with the pull rope, so that the jacket will not be inadvertently used for strength. It may be mounted on a wall in the basement, garage or utility … These materials can flow out of the cable, causing maintenance problems in cable end boxes. Firstly, you should check for the availability of fiber optic network in your area. Pushing can result in violation of the bend radius. Putting a twist in the cable can stress the fibers too. Be sure to manage service loops using Velcro in a circle with at least four mounting points. Avoid pinching or squeezing cable. When all the cable is placed in this pattern, the pattern is lifted and flipped over, so that the loose end is on top. The layout should include the destinations of the fiber trunk assemblies, referred to as “Trunking Locations.”. Properly train and instruct the people who will do the installation. In addition, trunks are custom-made and will take some time to make. Use proper tools and techniques. Cable blowing. Never force a connector onto an adapter. Before the start of any cable pull, all ducts and cable vaults should be carefully inspected for damage or deterioration, and to address any safety concerns. These will harm the fibers, maybe immediately, maybe not for a few years, but you will harm them and the cable must be removed and thrown away! Never directly pull on the fiber itself. Confirm with the design or Port Map document if trunking is to come from both sides of the cabinet (left and right) or just one side of the cabinet. Copper trunking is thicker and stiffer than fiber optic trunking. But, if your area has FTTH capability, then the provider will run fiber optic cable to the outside of the home and will install an optical network terminal (ONT) on the inside, usually in the garage or the basement. These cabling interchanges often have much more cabling than a rack or wiring closet, so additional space is needed for clean cable management. These breakout lengths can be staggered to plug into specific ports, patch panels, and/or hardware. The architects will use this detail and additional information gathered, to build the cabling infrastructure design. Anticipate obstructions. For direct burial installations, the cable should lie flat in a trench, free of any large stones or boulders that may deform the cable. Monitor the supply reel. Follow the blowing equipment suppliers blowing distance recommendations; 3000 to 6000 feet is a typical blowing length. Make sure that you have all of the tools and materials you will need to complete your installation, including: Velcro and cable management, scissors to remove twist ties, a garbage bag for the packaging, a fiber cleaner (if needed), and cable labeling (if needed). Fiber optic cables should be placed in their own dedicated ducts or trays. Use fiber optic cable lubricant. The FOA and NECA (National Electrical Contractors Association) in 2001 cooperated to develop the first ANSI standard (American National Standard) covering the installation of fiber optic cable plants. Fiber splicing make things complicated and expensive. There are only two per trunk, one per side. When pulling the fiber out of a section, coil the cable on the floor in a figure 8 pattern to avoid twisting. It is much cheaper to pull in a service loop than to replace an entire run of fiber cable. Consider the route to determine the maximum blowing distance. Your service box (Optical Network Terminal or ONT) is the device that connects your home to the AT&T Internet system. Transmission performance depends on several characteristics: Testing results directly after installation: 5404 South Bay Road If possible, post a color code definition diagram near the doors so anyone working in the data center can immediately recognize critical paths. Methods of duct installation, installation preparation and … When an outdoor rated fiber cable enters a building, it should be spliced to an indoor-type fiber cable within 50 feet from the cable entrance to meet NEC code. Any and all changes from the original design drawings in the SOW should be in the document. You want to remove the contaminants prior to connecting. Identify the exact fiber optic cable route and ensure that it meets all installation specifications. Never exceed the cable bend radius. They can interfere with access to the cabled hardware units. 4.1 Aerial fiber-optic cable plant must be stiff enough to keep the fiber stress within acceptable limits under the loads given in Table B. When installing optical cable, what you don't know could really hurt you or damage your cable. If your inventory is short, or product is damaged, you will not be able to get replacements overnight. Your product warranty generally only covers defects or errors caused during the manufacturing process. Confirm the document is up-to-date and reflects any possible last-minute changes that may have occurred under the floor or in overhead conveyances. • Develop a cable pulling plan. For fiber optic cable, use horizontal finger style with front cover cable managers in a 1U or 2U footprint. Avoid placing cable reels on their sides or subjecting them to shock from dropping. Be sure to “firestop” all cables that penetrate a firewall. All vertical cable must be secured at the top of the run. Use the figure 8 technique. Installing these cables differs from traditio nal methods. Storage and installation of OFS fiber optic cable is limited to the temperature ranges listed in Table 2. All Orders Get 5% Cash Reward. Feb 27, 2016, Fiber Optic Patch Cables Tutorial A crash test should be performed to determine the maximum push force. Your label numbering scheme should match the TIA-606-C published standards for all jumpers and patch cords, labeled by: Using the standard provides consistency and a format that should be recognizable to installers working in your data center. Basic guidelines that can be applied to any type of cable installation are as follows: • Conduct a thorough site survey prior to cable placement. You should pull on the fiber cable strength members only! Observe the temperature operating range. Use plenum rated cable where it is mandated, etc., etc. Pleasanton, CA 94566 For all other applications use ONLY Velcro. Fiber optic cables shall be identified in such a way to distinquish these cables from wire or coaxial cable. These checks should be performed as-received/before installation, after installation, after splicing, and after connector installation. Instead, use a pair of electricians scissors or diagonal cutters. A fiber-optic cable, also known as an optical-fiber cable, is an assembly similar to an electrical cable, but containing one or more optical fibers that are used to carry light. These custom assemblies cannot be returned unless out of box defective. e. Do not discard excess cable from the installation, but store it for future needs in restoration if the cable plant is damaged. Fiber Optic Glossary When securing fiber trunk cables to enclosures, racks, or cabinets, only use zip ties on the trunks’ furcation points. It can be helpful to allow movement of patch panels inside the cabinet with service loops for both fiber and copper, if growth is expected. NASA-STD-8739.5 [10.2.2] NASA WORKMANSHIP STANDARDS: Released: 04.05.2002: Revision: Revision Date: Book: 10: Section: 10.01: Page: 3: FIBER OPTICS GENERAL REQUIREMENTS (cont.) A split mesh grip is recommended to secure the cable. Our architects are happy to provide free design assistance for full scale data centers, colo-space, and upgrades. A small amount of slack cable (20-30 feet) can be useful in the event that cable repair or relocation is needed. Installing ADSS Cable with the stationary reel method A pulling rope is attached to the cable with a swivel pulling eye and a wire grip. Make sure your fiber cable is long enough for the run. Air compressor cooler should be used as recommended by the blower equipment manufacturer. They offer better bandwidth, ideal for long-distance connectivity, more reliable, and capable of withstanding all typical environmental stresses expected in their application. There is also a chance that some human hands have touched it, or a particulate has scratched it. The installation partner should show modified cable routes of all backbone cables, backbone cable pathways, and cable trunks. Avoid placing fiber optic cables in raceways and conduits with copper cables to avoid excessive loading or twisting. When pulling the cable off the reel onto messenger mounted cable blocks, special care should be given to size and location of the 1st and last pulley. Leave service loops. Without this sectionalization, additional cable pulls can entangle an operating cable and could cause an interruption in service. On runs from 40m to 100m, use proper lubricants and make sure they are compatible with the cable jacket. Use only cable/duct lubricants recommended by its blowing equipment manufacturer for optical fiber cable. Fusion splices should therefore not be used in vaults. CABLExpress has pre-engineered staggers for all common hardware types with the intent of creating a tidy, slack-free installation to minimize accidental pulls and create an aesthetically pleasing result. Loose tube cables must be looped. On runs over 100m, use proper lubricants and pull from the middle out to both ends. Sign Up Now! Never directly pull on the fiber itself. Test jumpers must be of the same fiber core size, performance and connector type as the cable system (e.g. Patch cords are interconnect cables, which means they should be deployed within racks or cabinets and should not be deployed in ladder racks. Damage to cabling can occur during shipping or installation. Cable sag increases in warm weather or when power cable is passing heavy current. Never install a fibre optic cable if temperature is below –5°C (Be aware that in cold environment the cable jackets are stiffer and more sensitive to bending and pulling. These guidelines help improve operations by minimizing the risk of failure due to inadequate planning, mishandling of fiber cabling, improper testing, and reducing installation time. Pulling underground fiber optic cable. Grounding: Cable with metallic components shall follow the bonding and grounding requirements of the customer and local or national codes. Indoor cables can be installed directly, but you might consider putting them inside innerduct. They also intend to insure that the installation of … Silicon Valley's fiber optic products distributor. Midspan access of fibers in buffer tubes: To minimize fiber damage, use a Midspan Access Tool to open the buffer tube such as a Corning OFT-000. Always roll the cable off the spool instead of spinning it off the spool end. The range of recommended installation temperatures of cables is much smaller than the operating temperature ranges). Special fiber optic blocks should be used on all turns or angles. As fiber optic cable is sensitive to excessive pulling, bending and crush forces, much care shall be taken to avoid cable damage during its duct installation. Do not use a blade to slit the mesh. Use extreme caution when removing the pull eye. The ducts and innerducts should be kept free of debris and maintained watertight at all times. Monitoring the supply reel during installation is necessary to prevent violation of minimum bend radius. Do not store cable within the closure or pedestal unless there is enough room to accommodate the minimum specified cable bend radius. This can be accomplished by weaving the strength member into the fingers of the grip, and then taping it together. Mark cable as “Fiber Optic Cable”. If the cable is too short, don’t try to stretch it! You will regret not doing so. If possible, use an automated puller with tension control or at least a breakaway-pulling eye. This keeps cable tight and prevents unraveling. CABLExpress manufactures high-performance data center cabling infrastructure products. If the run is long, or if you anticipate the possibility of additional future pulls; Then you may want to install a conduit of up to 4″ (or greater). A New Fiber-Optic Installation Standard. Obtain all required fiber cable installation authorizations and permits along the route. This overage allows the option to move patch panels or enclosures within the cabinet. The reel should have a brake to maintain significant tension as the cable … Use only lubricant that is expressly designed for cable pulling. This reduces the potential for dB link loss in fiber from kinks and pressure build-up. Maintain proper air flow to “blow” the cable verses “pushing” the cable. A set up with multiple blowing machines may be required. Identify cable locations with surface markers. ENDFACE … The route to getting Fibre Broadband. Install vertical, unfilled, loose tube cables with loops to prevent the fiber from slipping to the bottom of a vertical run. The person may stop the cable pull from time to time to prepare and apply more lubricant. Do not eat, drink, or smoke in any area in which bare glass fiber is created. Protective caps should be left on until immediately prior to cable installation. Do not mix copper cable and fiber cable in the same ducts or trays. However, real-life applications often require the cables to turn in different directions from source to destination. Step 1: Connect the AT&T Fiber℠ Service Box. Cables that are installed in the vicinity of high-voltage power lines should be grounded, including all-dielectric cables. Make as-built data logs on all cables. Reference the Port Map document to determine if a trunk is to span into two separate enclosures. Communicate along the path of installation. In general, fiber optic cable can be installed with many of the same techniques used with conventional copper cables. This technique prevents twisting in the cable. Whether service loops will be managed on the sides of a cabinet vertically or at a specific rack unit(s) horizontally is determined by the data center operator. attaching the fiber optic cable that needs to be tested between two reference cables, one attached to the source and one to the power meter. If there are too many bends in the run then you may consider installing junction boxes in lieu of bends. If needed, short service loops (three to six feet) are helpful when trunk lengths are cut using estimated lengths. Consider wide body cabinets (wider than 24 inches) along with vertical cable managers (4”, 6” or 12” wide) for core cabinets, main patch cabinets, or cross-connect cabinets. It is extremely important to take an accurate measurement when planning an order for a custom pre-terminated fiber optic cable assembly. You should always clean the connector and adapter before plugging them in. Proper training reduces expense through reduction of breakage and excess attenuation. Proper technique is placing or laying a cable in a cable tray or raceway. Continue the cable pull until all the cable has been pulled through. Even though your fiber connector will have a protective cap of some kind on it, any cover can attract dust as it moves through the air to settle on the tip. Fiber optic cables have Kevlar aramid yarn or a fiberglass rod as their strength member. It also allows easier location of a specific cable. If cables are present in ducts through which the fiber cable is to be pulled, the existing cable types should be identified and the owner of the cable called to inform him of the action, and to identify any safety concerns. Train installation personnel. Never exceed the maximum pulling load rating. If you don’t already know someone here, we’re glad you found us and happy to get to know you! An installation partner should provide close-out documentation as defined by the scope of work (SOW) after project completion. We are a division of CXtec, so you can order product directly from the account manager you’ve always dealt with at CXtec, CABLExpress, Atlantix, or TERACAI. Beyond these, you can choose specific colors for your data center that define specific factors of your choice. When making a connection, the connector should attach to the adapter smoothly. You can eliminate 95% of the problems installers can encounter by simply creating this plan. After pulling, the knot should be cut off. Fiber optic cables should be placed in their own dedicated ducts or trays. In outdoor installations, a common practice of 2.5 foot sag for 150 foot span is good for thermal expansion and contraction. Leave the protective thermal wrap … Service loops are created when additional length is added to a cable for contingencies. Use an air compressor with a minimum of 375 cfm. Fiber optic cable is usually (but not always) installed in an innerduct that provides mechanical protection for the fiber optic cable. Optionally, the jacket can be tied into a tight knot before pulling. figure 1. Exceeding this limit can result in fiber breakage, excess attenuation, and, in loose tube cables, fibers sliding from cables. The swabs should only be used ONCE. Maintain proper clearance between the fiber optic cable and power cable at all times. The Race to 400Gb: The Data Center's Fiber Optic Infrastructure Challenges, Don't Get Left Behind: Cabling Designs You Can Trust to Support Speeds of 40G to 400G, Simplifying Fiber Optic Cabling with a Multi-Path System, Conflicts in Data Center Fiber Structured Cabling Standards, Understanding the Fibre Channel's First Gen7 Switch Portfolio (and How to Cable It), TIA-42 Telecommunication Cabling Systems Engineering Committee 3rd Quarter Conference Preview, Proper care during installation and maintenance, Transposed, reversed or split pairs, grounded conductor. Identify lightwave equipment that will be used and ensure that the equipment will function properly with the fiber cable being installed. Safety precaution – no food, drink or smoke. Ducts and innerducts should be sized to meet present and future cable installation requirements. The cables are special in many ways. The pulling tape should have a rating for greater than maximum anticipated pulling tension. Duct Installation of Fiber Optic Cable 1. Just call us at 800.913.9465 during business hours EST, or fill out the form on this page. Follow the guidelines in the NECA 301-2004 Standard For Installing and Testing Fiber Optic Cables, available from The National Electrical Contractors Association. The design’s goal is to maximize efficiency using loss budgets productively. If possible, use an automated puller with tension control or at least a breakaway pulling eye. Leave cable and fiber service loops everywhere. Always make allowances for power cable sag due to weather and current conditions. The coil can get deep quickly and a figure 8 will provide more room. The minimum air pressure in the duct should be 100 psi with 125 psi recommended. The testing documentation package should also include the following: Identification of field test instrument used, including manufacturer, model, and serial number, and date of most recent calibration of the test instrument. Feb 27, 2016, 269 Mavis Drive Cable blowing. Inspect a second time after cleaning before plugging in. After the fiber optic cable is installed into a duct or innerduct, end plugs should be installed to provide an effective water seal. Look for signs of stress on the cable jacket. Suitable cables can make the installation much more convenient. The lubricant has to be compatible with the cable jacket material. Bonding and Grounding: Follow your company and local/national bonding and ground procedures when using fiber cable with metallic components. Intermediate cable attachment points however are recommended for optimum performance. Number of 90 degree turns. For copper, use horizontal D-ring style cable managers in a 1U or 2U footprint. Fibers and buffer tubes do not have sufficient strength to resist breakage due to normal handling of copper cables. Innerduct provides a good way to identify fiber optic cable and protect it from damage, generally a result of someone cutting it by mistake! Instead, make sure it is kept on one side as much as possible. The strength member should be attached independently. The cable weight in an unsupported vertical rise shall be less than the specified long term operating load. It is important to use a rope size that give minimal stretching during the pull. This is something you can’t do yourself. The design’s intent is to minimize future errors due to snags, awkward cable access, slack, and unprotected connections in trafficked areas. In the event product is damaged due to handling at your facilities, you will be responsible for the cost of replacement. When a steel messenger wire is used for aerial installation, avoid zigzagging the messenger wire from one pole side to the other. However, copper trunk service loops quickly can become unmanageable in typical server cabinets. Mostly, telephone operators like AT&T and Verizon provide the fiber optic cable network. The cable reel should be placed well away from the first pole to prevent bending the cable excessively at the first pulley. For loose tube and ribbon cable this is typically specified for an installation temperature of -30C to +75C. Do not allow vehicles to drive over a cable. The ducts and innerducts should be kept free of debris and maintained watertight at all times. Mark cable as “fiber optic cable” in all locations in which it can be easily reached. On really long runs, pull from the middle out to both ends. On long runs, use proper lubricants and make sure they are compatible … Safety Precautions 1.1 Confined Space Precaution 1.2 Lead Exposure Warning 1.3 Cable Handling Precautions Corning Optical Communications cable specification sheets are available which list the maximum tensile load for various cable types. F. 315.455.1800, info@cablexpress.com Be aware that solar heating due to sunlight exposure can increase the cable temperature well above the ambient temperature. Generally, the duct is available in plastic, concrete, steel, iron and so on. Do not rotate the connector when making the connection. Correspondingly, don’t use the connectors to pull a long cable through its route. Using zip ties on the fiber optic jacket directly can break the fibers. Fiber cables can and do jump from unmonitored pulleys. Lubrication reduces the pulling load and the chance of breakage. We will respond as quickly as possible. The swab should be gently placed into the barrel of the connector and rotate no more than one turn. This map should include the cabinet placements, patch panels, hardware, port-counts, trunking locations and power access connection points. The ONT receives and transmits the network signal to your fiber optic capable modem, and in turn, your modem connects to your router. Fiber is stronger than steel when you pull it straight, but it breaks easily when bent too tightly. Copper also can have negative performance results from crosstalk when too many strands are bunched together in a bundle or tight space. Do not use a back and forth scrubbing action. A fiber optic cable should be tested three separate times during an installation: on the reel, the splicing test, and the final acceptance test. Proper techniques depend on the cable design and the location of the installation. Create a detailed, written plan of installation. Follow the following step by step guide for installation of fiber optic cable: Step One. On long runs, use proper lubricants and make sure they are compatible with the cable jacket. For our data center infrastructure products, we have plenty of support available for you. Always have a pull-eye added to a cable longer than 100 feet. 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