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FuturePath configuration consisting of two or more different sizes of conduit and or MicroDucts. A perfect choice for customers who have needs to run micro cables and larger standard fiber cables at the same time, or would like to plan for future possibilities.CURRENT MARKET BACKGROUND

American Data is one of the USA’s prime suppliers of microduct and Microtechnology. Microduct technology  was first developed and used by Europe and Asia and now has gained acceptance and is in some GPON networks being deployed in the USA  as a “preferred” method of installing fiber cable to homes and businesses for Fiber To The Home Technology.

We work with the largest manufacturers such as Duraline Microduct, Blue Diamond Microduct and Hexatronic Microduct and several other USA based manufacturers.

MicroTechnology is a term given to smaller conduits and fiber used in Inside and Outside Plant Construction (ISP and OSP). MicroDucts were developed as a solution to house fiber cables that were smaller in size, but still carried significant capacity. Today, MicroCables which are fiber optic cables range from 6 to 432-fiber counts. The glass fibers are the same type as those used in traditional fiber cables, only the cable design has been altered to reduce the diameter of the cable sheath and support system. MicroDucts bundled under one sheath are called FuturePath and provide multiple ducts in one structure for future expansion of networks.

Microduct and microduct products from several key USA manufacturers can be installed by blowing, jetting, or pushing them into existing or larger conduits. When installing microducts, it’s recommended to:

  • Limit the number of bends to eight 90° turns or 16 45° turns
  • Use 45° bends or less, as they’re easier to pull through
  • Limit the run length to 200 ft or less
  • Maintain a minimum 13-in radius for each bend

 

Microduct Sizes
Sizes Microduct sizes range from 3mm–27 mm in diameter
Microduct Applications in FTTH- Fiber To The Home
Microduct Applications Fiber-to-the-home (FTTH), fiber-to-the-business, data centers, smart cities, airports, and more

 

 

 

FuturePath Aerial 7 WayMicroduct Installation Application

  • Directional Bore
  • Trench Installations
  • MicroTrench
  • Plow Installations
  • Tray Installations
  • Interior
  • Confined Spaces
  • Aerial
  • Overrides
  • Subdivided Conduit

Microducts are typically small-diameter, flexible, or semi-flexible ducts designed to provide clean, continuous, low-friction paths for placing optical cables that have relatively low pulling tension limits. As stated in industry requirements document Telcordia GR-3155 Generic Requirements for Microducts for Fiber Optic Cables, microduct products are expected to:

  • Be compatible with existing construction designs and building configurations for both riser- and plenum-rated applications, including cable blowing apparatus.
  • Allow cables to be safely deployed through pull lines or strings using less than 50 lbs of force, and through cable blowing techniques at typical deployment speeds of 100-200 feet per minute.

STANDARDS:

Taking a fiber cable or fiber drop to a house or business has never been easier thanks to our MicroDuct Figure-8. This self-supported aerial configuration boasts a small profile and the industry standard support messenger makes the installation easy and fast. No special tools or hardware are required for installation. As indicated in the standard GR-3155, fiber optic cable is typically placed (ABF Air Blown Fiber ) or pulled into the duct in one of three ways:

1-    PRE-INSTALLING MICRODUCT :

Microduct may be pre-installed by the duct manufacturer during the extrusion process. Pre-installed cable

When cable is pre-installed, the innerduct or duct manufacturer extrudes the duct directly over the optical cable. Tight control of the duct temperature during the manufacturing process is essential to ensure that the duct does not stick to the cable as it cools. At the completion of the process, all of the fibers in the optical cable must be tested to ensure that no damage has occurred

2-CABLE PULLING:

It may be pulled into the duct using a mechanically assisted or hand-drawn pull line.

A common cable installation technique for fiber cables remains cable pulling. After the duct is placed, a high-strength pull line ranging from 1250 Pound and over 6000 pounds is blown into the duct (if one has not already been pre-installed by the duct manufacturer). The pull line is attached to one end of the cable and is used to pull the cable through the duct

3- CABLE BLOWING OR CABLE JETTING: It may be blown into the duct using a high air volume cable blowing apparatus.

Traditional cable pulling methods are very sensitive to the condition of the duct and to the number of bends and undulations throughout the duct route. Therefore, for microducts, air-blown cable installation techniques are expected to be the most useful. Air-blown cable installation requires the use of a device that injects a high volume of air into the duct, at pressures as high as 20-25 psi. The viscous drag forces generated by the rushing air along the length of the cable act to reduce or overcome the friction between the cable and the duct.

Jetting

Cable jetting is the process of blowing a fiber cable through a duct while simultaneously pushing the cable into the duct. Compressed air is injected at the duct inlet and flows through the duct and along the cable at high speed. (Preferably, no suction is used at the cable head.) The high speed air propels the cable due to drag forces and pressure drop. The friction of the cable against the duct is reduced by the distributed airflow, and large forces that would generate high friction are avoided. Because of the expanding airflow, the air propelling forces are relatively small at the cable inlet and large at the air exhaust end of the duct. To compensate for this, an additional pushing force is applied to the cable by the jetting equipment. The pushing force, acting mainly near the cable inlet, combined with the airflow propelling forces, increases the maximum jetting distance considerably. Special lubricants have been developed for cable jetting to further reduce friction.

Advantages of jetting compared to pulling

  • Longer installation distances can be reached
  • Installation distance less dependent on bends and undulations in duct
  • Forces exerted on the cable are lower
  • Easier use jet in tandem operation
  • The step of installing a winch rope is avoided
  • Equipment is needed only at one end of the duct route

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FuturePath Riser rated products are used within buildings in either vertical or horizontal backbone applications or directly to workstations as drops. FuturePath Riser is fully approved by the American ETL (Electrical Testing Laboratories) for Riser applications per UL-2024 and UL-94-V2
Microducts FuturePath Riser

Great for MDU applications, our Riser MicroDucts are made from fire retardant materials which are fully approved by the American ETL (Electrical Testing Laboratories) for Riser applications per UL-2024 and UL-94-V2. Pre-installed pull string is available for quick fiber installations. A SILICORE® lining makes cable installation even easier without using wet lubes inside buildings.
Microducts Riser

Taking a fiber cable or fiber drop to a house or business has never been easier thanks to our MicroDuct Figure-8. This self-supported aerial configuration boasts a small profile and the industry standard support messenger makes the installation easy and fast. No special tools or hardware are required for installation.
Microducts Figure-8

Taking a fiber cable or fiber drop to a house or business has never been easier thanks to our MicroDuct Figure-8. This self-supported aerial configuration boasts a small profile and the industry standard support messenger makes the installation easy and fast. No special tools or hardware are required for installation.
Microducts FuturePath Figure-8

ratchet cutter
Microduct Accessories

MicroDucts are a great way of getting the most versatility out of your current empty duct system. Why install one fiber cable when you could install multiple MicroDucts? Each MicroDuct is a pathway for fiber now or in the future. Expand your network as your needs require.
Microducts HDPE Hybrid

Dura-Line was the first to pioneer this technology and introduce it to the U.S. market. LSZH Conduit and MicroDucts, verified by the NRTL (Intertek) to ETL standards UL1685-4 and IEC 60754-1, exhibit excellent properties such as low-flame propagation, low-smoke generation, zero-halogen emissions, and excellent low-temperature mechanical properties. They are designed for use in applications where smoke, toxic fumes, and acidic gas pose a health risk and possible damage to electronic equipment. Examples include enclosed public areas and poorly ventilated areas such as tunnels, mass transit corridors, behind-the-wall, control rooms, and confined spaces.
Microducts LSZH

Coax for today and a fiber pathway for the future, all neatly behind the wall. MicroDuct is paired with RG6 Coaxial cable encased in an oversheath. Coax can be used for powering a low voltage alarm system or other low voltage signal needs (camera or door unlock capability)
Microducts Piggyback

Dura-Line was the first to pioneer this technology and introduce it to the U.S. market. LSZH Conduit and MicroDucts, verified by the NRTL (Intertek) to ETL standards UL1685-4 and IEC 60754-1, exhibit excellent properties such as low-flame propagation, low-smoke generation, zero-halogen emissions, and excellent low-temperature mechanical properties. They are designed for use in applications where smoke, toxic fumes, and acidic gas pose a health risk and possible damage to electronic equipment. Examples include enclosed public areas and poorly ventilated areas such as tunnels, mass transit corridors, behind-the-wall, control rooms, and confined spaces.
Microducts FuturePath LSZH

FuturePath Plenum with the super slick Silicore® permanent lining is used exclusively in plenum applications such as designated return air plenums and under floor return air spaces. ETL approved for Plenum applications per UL-2024 and UL-94-VO.
Microducts FuturePath Plenum

Dura-Line, the leader in MicroDuct technology has developed Plenum MicroDucts specifically for your MDU needs. Plenum MicroDucts are made from fire retardant materials which are fully ETL approved for Plenum applications per UL-2024 and UL-94-VO.
Microducts Plenum

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