Why do you need Fiber Drawing Machine and what can it do for you If you have experienced a telephone company technician working on the phone jump box outside your house, you should have noticed an exclusive handheld phone like instrument. The technician uses it to recognize the incoming telephone wires by tapping onto the wires and listening for a tone. Once he finds the proper wire, he connects the wire in your house.
During fiber optic network installation, maintenance, or restoration, it is additionally often essential to identify a specific fiber without disrupting live service. This battery powered instrument appears like a long handheld bar and is also called fiber identifier or live fiber identifier.
How exactly does it work? There exists a slot on the surface of a fiber optic identifier. The fiber under test is inserted into the slot, then your fiber identifier performs a macro-bend on the fiber. The macro-bend makes some light leak right out of the fiber as well as the optical sensor detects it. The detector can detect both the existence of light and the direction of light.
A fiber optic identifier can detect “no signal”, “tone” or “traffic” and it also indicates the traffic direction.
The optical signal loss induced from this technique is so small, usually at 1dB level, it doesn’t cause any trouble on the live traffic.
What type of Optical Fiber Coloring Machine will it support? Fiber optic identifiers can detect 250um bare fibers, 900um tight buffered fibers, 2.0mm fiber cables, 3.0mm fiber cables, bare fiber ribbons and jacketed fiber ribbons.
Most fiber identifiers need to change a head adapter to be able to support all most of these fibers and cables. While many other models are cleverly designed and they also don’t must alter the head adapter whatsoever. Some models only support single mode fibers yet others supports both single mode and multimode fibers.
What is relative power measurement? Most high end fiber optic identifiers include a Liquid crystal display which can display the optical power detected. However, this power measurement cannot be utilized for a accurate absolute power measurement from the optical signal as a result of inconsistencies in fiber optic cables and also the impact of user technique on the measurements.
But this power measurement may be used to compare power levels on different fiber links that have same type of fiber optic cable. This relative power measurement has a lot of applications as described below.
1. Identification of fibers
The relative power reading could be used to aid in the identification of a live optical fiber.There are many tests which can be performed to isolate the preferred fiber cable from a group of fibers without taking on the link(s). Three methods that might be used include comparing relative power, inducing macrobends, and varying the optical power from the source. No single strategy is best or necessarily definitive. Using one or a mix of these methods may be required to isolate the fiber.
2. Identification of high loss points
Fiber optic identifier’s relative power measurement capability can be used to identify high loss point(s) in a period of fiber. If you take relative power measurements along an area of optical fiber that is certainly suspected of obtaining a high loss point for instance a fracture or tight bend, the alteration in relative power point to point can be noted. When a sudden drop or boost in relative power between two points is noted, a very high loss point probably exists between the two points. The user are able to narrow in on the point by taking further measurements involving the two points.
3. Verify optical splices and connectors
Fiber optic identifier could be used to verify fiber optic connectors and splices. This test has to be performed over a lit optical fiber. The optical fiber may be carrying a transmission or even be illuminated utilizing an optical test source. Attach fiber identifier to one side in the optical connector/splice. Read and record the relative optical power. Repeat the measurement on the second side of the connector/splice. Go ahead and take distinction between the reading on the second side and the first side. The main difference should be roughly equal to the optical attenuation from the optical connector/splice. The measurement may be taken many times and averaged to improve accuracy. In the event the optical fiber identifier indicates high loss, the connector/slice might be defective.
Fiber optic splice closure is the equipment utilized to offer room for fusion splicing optical fibers. Additionally, it provides protection for fused fiber joint point and fiber cables. You can find mainly two kinds of closures: vertical type and horizontal type. Quite a number of fiber splice closures are equipped for different applications, like aerial, duct fiber cables and direct burial. Generally speaking, they may be usually utilized in outdoor environment, even underwater.
Fiber Optic Splice Closure Types . For outside plant splice closure, there are two major types: horizontal type and vertical type.
1) Horizontal type – Horizontal type splice closures look like flat or cylindrical case. They whzqqc space and protection for optical cable splicing and joint. They can be mounted aerial, buried, or for underground applications. Horizontal types are employed more often than vertical type (dome type) closures.
Most horizontal fiber closure can accommodate hundreds of Optical Fiber Coloring Machine. They are made to be waterproof and dust proof. They may be used in temperature which range from -40°C to 85°C and will accommodate up to 106 kpa pressure. The cases are often made from high tensile construction plastic.
2) Vertical Type – Vertical kind of fiber optic splice closures appears like a dome, thus they are also called dome types. They meet the same specification as the horizontal types. They are equipped for buried applications.