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dimanche 29 juin 2014

Enhancing An Effective Fibre Optic Cable Installation

By Sherry Gross


In an attempt to enhance reliability and performance of optical fibers, special care is paramount, especially in the process of installation. Some crucial guidelines regarding tensile loads, squeezing, minimum bend radius, and twisting must be considered. As a matter of fact, connectors must be protected free from scratching and contamination at all times. Close attention must be paid to these factors as violation of any parameter causes profound attenuation and damage to the conection. It is therefore worth considering the following insights on fibre optic cable installation.

To begin with, ensure to conduct a site survey. A site survey is simply a preliminary visit of the site in order to have insights on the nature of the work to be undertaken. The survey enables you to come up with probable challenges and providing the solutions thereof. During the survey, the site is analyzed for areas demanding special concern while making estimates of the effort and time needed to carry out the duty. This information is particularly important in planning for cable routing.

The data obtained in the survey stage is then used to design a good cable pulling plan. Through the plan, the team members are briefed on the findings noted in the survey. It contains the logistics on intermediate access points; let-off and splice locations. It is also during this planning that tasks are assigned and specified to the individual group members engaged in the connection.

The actual process of connection entails specific systematic procedures. When laying out the fiber optic, it is worth knowing that they are sensitive to moisture, and hence ought to be enclosed by a heavy tape or end cap always. There are numerous techniques applied in pulling, but whatever the method employed, always attend to the let-off reel.

The connection should put in mind the minimum bend radius. It is crucial to consider the fact that every connector has its own minimum radius value. Therefore, be sure not to curve them more than the recommended bend value. The specified long range application radius must be adhered to during placement and after eliminating the pulling tension. As a general rule, wrapping and coiling is acceptable, but only when done within the constraints of the bend radius.

Just like the minimum radius, there is also a constraint on the maximum length. Fiber optic comes stronger than copper, however, the length of the optic connector must be maintained lower than the maximum recommended length during all phases of installation. The average strength ratings of many connectors stand at 2700 N.

The maximum load value is also a matter worth your concern for long term application. There is a set upper load value for long term performance. Always ensure that the remaining tension after connection is less than the maximum value. For those engaged in vertical clamping, clamp the cables such that the interval between them is regular and sufficient to ensure that the weight remains within the set limit.

Ensure to document each phase of fixation. Documentation of the same provides a record for future reference and maintenance. The task of documentation should be done systematically to enhance flow and order. When in need of whatever type of connection, remember to check out on the above points.




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