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Fiber Breakout Cables Tutorial

by www.fiber-mart.com

OEM Fiber Optic Cables


Fiber Breakout Cables Tutorial


What is Fiber Breakout Cable?


From www.fiber-mart.com, we can have a simple understanding about Fiber Breakout Cables. Well, breakout-style fiber optic cable, also called breakout cable or fan-out cable by some people, which is an optical cable containing several jacketed simplex optical fibers package together inside an outer jacket. This differs from distribution-style cable, in which tight-buffered fibers are bundled together, with only the outer cable jacket of the cable protecting them. The design of breakout-style cable adds strength for ruggedized drops, however the cable is larger and more expensive than distribution-style cable. Fiber breakout cable is suitable for short riser and plenum applications and also for use in conduits, where a very simple cable run is planned to avoid the use of any splice box or spliced fiber pigtails.


Structure of Fiber Breakout Cable


Structure of Fiber Breakout Cable

The structure of fiber breakout cable (shown as the figure above) ensure a long life. A fiber breakout cable consists of outer jacket, tap binder, breakout fiber assembly (tight-buffered fiber surrounded in aramid yarns and jacketed), strength member, and ripcord. For easier handling, it also features an easily strippable 900µm coating. Both the PVC and plenum cables are rated for fire safety.

Advantages of Fiber Breakout Cable


1. This breakout-style cable is composed of several simplex fibers stranded around a central member and packaged individually inside one jacket. It differs from distribution-style cable, where several tight-buffered fibers are bundled together under the same jacket. 2. This breakout-style cable is extremely versatile and is suitable for use in riser and plenum indoor applications. You can use it in backbone and horizontal runs. 3. Each fiber is individually reinforced, so you can divide breakout-style cable into individual fiber lines. This enables quick connector termination and eliminates the need for patch panels. 4. This breakout cable can also be more economical because it requires much less labor to terminate. You may want to choose a cable that has more fibers than you actually need in case of breakage during termination or for future expansion.

Features of Fiber Breakout Cable


1. The term breakout defines the key purpose of fiber optic breakout cable. That is, one can "break out" several fibers at any location, routing other fibers elsewhere. For this reason breakout cables are, or should be, coded for ease of identification. 2. Breakout cable is the most user friendly because each fiber has it's own jacket and aramid strength elements. Due to this, each fiber is extremely strong and rugged. Breakout fiber is also stiff. Different fiber types shown as the Figure. 3. Breakout cables are the preferred choice for direct termination methods. Each numbered fiber sub unit is protected by a layer of aramid yarn and encased in a FRNC/LSNH jacket. The individual sub units are cabled and then jacketed with a flame resistant FRNC/LSNH compound. Each fiber uses either the tight buffer technology or semi-tight buffer technology for excellent fiber stripping. 4. A tight buffer design is used along with individual strength members for each fiber. This permits direct fiber optic cable termination without using breakout kits or splice panels. Due to the increased strength of Kevlar members, breakout fiber optic cables are heavier and larger than the telecom types with equal fiber counts. 5. A breakout fiber optic cable offers a rugged cable design for shorter network designs. This may include LANs, data communications, video systems, and process control environments. 6. Because fiber optic breakout cable is found in many building environments where codes may require plenum cables, most breakout cables meet the NEC's requirements. The cable is available in a variety of designs that will accommodate the topology requirements found in rugged environments. Fiber counts from simplex to 256 are available.
2/4/6/12-Fiber Breakout Cables

Applications of Fiber Breakout Cable


Fiber breakout cables are typically used indoor applications: Between an optical distribution frame and an electronic equipment rack Between two electronic equipment racks

A breakout cable design offers advantages over standard patch cords because it eliminates the need for a fiber-optic ducting system. These cables are particularly effective when equipment racks are distributed over a large area (for example several floors in a large building). The end of the Breakout cable behaves like a standard single pigtail. The outer jacket of the cable can be stripped.

Fiber breakout cables are used to carry optical fibers that will have direct termination to the equipment, rather than being connected to a patch panel. Breakout fiber cable consist of two or more simplex cables bundled with a strength member and central member covered with an outer jacket. These cables are ideal for routing in exposed trays or any application requiring an extra rugged cable that can be directly connected to the equipment. The cable is also suitable for pre-terminated cable assemblies.

Each fiber has its own individual jacket, under an overall jacket. This cable style typically is more durable than Distribution, but is more expensive, has a larger OD, and is less flexible. This type of fiber cable can be terminated point-to-multipoint. You can terminate multiple devices via one cable run. Thus, you can "breakout" the fiber because each fiber has its own jacket. This cable is also good for direct-buried applications.

Fiber-Mart's Fiber Breakout Cable Solutions


Fiber-Mart's fiber breakout cables are ideal for installations requiring an extremely rugged and reliable cable design where maximum mechanical and environmental protection are necessary. Easiest cable to install where direct termination of the sub cable to a connector and a direct run to panels and equipment are desired.

Fiber-Mart's fiber breakout cables have these obvious advantages:Cost Savings. Direct termination to sub cable may eliminate the need for patch panels and patch cords and reduces connector loss. Buffer eliminates the need for costly and time-consuming installation of fan out kits or pigtail splices because connectors terminate directly to the sub cable. High crush resistance may eliminate the need for inner duct.

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