Tuesday, March 10, 2020

Provision of test equipment for the installer

Installers also need test equipment. There are many test equipment options depending on complexity and cost. A good choice can reduce the cost of equipment and the cost of test work. The type and quantity of test equipment needed will depend on the type of work. 

All installation technicians must have a visual continuity plotter or a visual fault locator. The plotter is a light source, a flashlight or LED source that is used with multimode fibers to verify continuity and to ensure there are no defective connectors. A visual fault locator is a high-power laser that can be used with single-mode or multi-mode fibers, but it also allows you to find other faults such as breaks in most simplex or duplex cables ( zipcord) or flat fibers. Visual plotters or fault locators are not very expensive but they are invaluable during installation and troubleshooting processes.

Each of the fibers in a cable network requires loss tests with a light source and a power meter, also called optical loss testing equipment (OLTS). The OLTS will confirm that the fiber was installed and the terminals placed correctly, by means of the point-to-point loss test and by comparison with the estimated loss in the calculation of estimated optical loss made during the design stage. Large jobs will require more than one team to finish on time.   Loss testing equipment is available in different versions, such as equipment that is sold as a test kit that brings a light source and a separate power meter; an OLTS that is a single instrument that includes both the light source and the power meter; or modules to transform the equipment for tests on copper networks in OLTS. The light source and the power meter separately are always the most economical solution, especially in the case of small jobs, since they can be carried separately, taking one technician and one technician the other, one to each end of the cable to be tested. If an OLTS is used, two technicians are needed to test a point-to-point cable, but two fibers can be tested at the same time, saving labor costs. OLTS adapters for copper network testing equipment are not economical, but you can take advantage of the data handling of these expensive equipment for detailed reporting. Contractors usually choose these adapters if they have already invested in a test equipment for copper networks.

Also read : fiber optic jobs

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