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How To Check The Quality Of Fiber Optic Cables?


With the rapid development of optical communications, fiber optic cables have begun to become mainstream communications products, and have played an important role in maintaining communications between governments, hospitals, and the military. However, there are many manufacturers of fiber optic cables around the world. Therefore, we also have higher and higher requirements for the quality of optical cables. So how should we check before and after purchasing optical cables, the following Comax fiber cable briefly said:

(1) Check the manufacturer's qualifications and corporate background. It mainly depends on whether it is a big manufacturer or brand, is committed to the research and development and production of optical cable products, whether there are many successful cases, whether it has ISO9001 quality system certification, ISO4OO1 international environmental system certification, whether it meets the ROHS directive, whether there are relevant domestic and international institutions. Certified. Such as the Ministry of Information Industry, Tyre, UL and other certifications.

Second, check the product packaging. The standard length of optical cable supply is generally 1km, 2km, 3km, 4km and customized length specifications. Positive and negative deviations are allowed. The deviation range can refer to the manufacturer's factory standards. Check whether the outer sheath of the optical cable has obvious signs such as the meter, the factory name, and the type of the optical cable. Generally speaking, the factory-made optical cable is wound on a sturdy wooden plate and protected by a wooden sealing plate. The two ends of the optical cable are sealed. The optical cable plate has the following signs: product name, specifications, disk number, length, net / gross weight, date, A / B-side signs and so on; check the cable test records, there are two copies normally, one with the cable tray inside the wooden tray, open the wooden cable can be seen, one fixed outside the wooden tray.

Third, look at the sheath of the fiber optic cable. The outer sheath of indoor optical cables is generally made of polyethylene, flame-retardant polyethylene, or low-smoke halogen-free materials. The high-quality appearance is smooth and shiny, and the hand feels good. Has good flexibility, easy to peel. The outer sheath of the poor quality optical cable is not good. When peeling off, the outer sheath is easy to adhere to the inner tight sleeve and aramid. Also pay attention to the use of sponge instead of aramid in some products. The PE sheath of the outdoor ADSS optical cable should be made of high-quality black polyethylene. After the cable is formed, the sheath is flat, bright, uniform and thick, and there are no small air bubbles. The outer skin of a poor quality cable feels bad, the outer skin is not smooth, and some printing is easily scratched. Due to the raw materials, the outer sheath of some optical cables is not dense enough, and moisture can easily penetrate.